I built a brand-new engine with never seen before intake and exhaust system
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- Опубликовано: 21 сен 2024
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Hello Guys,
It's time to build something really complicated.
This is kind of experimental video. I have a very old unrealized idea about an internal combustion engine, if be more correctly intake and exhaust system. Usually valves perform this function, in our case it is a camshaft with channels for passing gases.
Ideas can be very logical and interesting on paper, but in practice it is very difficult to prove.
So let's build a brand-new engine with never seen before intake and exhaust system and prove this idea. Whether it will work or not is a very big question. Let's find out.
If this engine works as planned, then it can be built into any car or even build some kind of all-terrain vehicle.
Friends,
As you have already noticed, I read almost all of your messages and am happy to share my ideas with you, and as far as possible, I listen to your opinion.
Share your opinion on this and leave comments.
With best regards
Meanwhile in the Garage
#diyproject
#diyEngine
#buildingEngine
#wot #ad #sponsored
Many wonder what happened to this engine.
Did he finally work?
Yes, friends, it worked.
I invite everyone to the premiere of the video, where I finally launch it.
02/19/2022 12:00 GMT+1
ruclips.net/video/1EP49XuejVM/видео.html
Can I get a blueprint for this engine?
Amazing work dude, well done.
I was thinking some kind of piston style ring ,like on the rotary have an apex seal .or some kind of labyrinth seal
Congratulations.
I still believe that you are an absolutely genius! You've gotta be an engineer or some kind of highly intelligent machinist or something! 👏
Mate , you should cut piston ring grooves in the rotary valve ends and install wear sleeves in the head or completely sleeve the head and run piston rings to seal the head to valve .
It may need two or three each side.
But like people here have already said , recheck the ignition timing to make sure its correct.
Use a timing light and a protractor to check the ignition timing , its very simple and it will remove any doubt. And its here I think the main problem lies.
A simple engine like this will run on quite low compression as long as everything else is in parameters.
Do a compression check and see , again it will give you a good idea.
I've had simple engines like this run happily all day on 60 or so PSI.
I remember as an apprentice 50 or so years ago an old Holden six cylinder ran like a top with only 70 PSI on all cylinders but I think the secret there was all six cylinders were all the same.
Please don't give up on this engine, you have come too far to give up.
The engine will probably never run anything useful but would be a good model to show and display. and be proud of.
I love your work and I was transfixed to the monitor the whole time .
Brilliant , just brilliant
It's amazing.
But... your cylinder head need an upgrade about the position of the spark plug. The geometry of the head is more important than anything else. Sorry for my bad English.
Good luck : )
Exactly he needs sleeves, on both sides for head to valve , and probably two between side to side like apex seals from a rotary madza or something like that
Yes please try adding rings to each end of your rotary valve. Also one on a slant between the intake and the exhaust. Like a rotary engine seal.
Great idea, one in middle and ones on either side, probably even multiples for good seal
Funny you should mention the Holden six as Dunston made a rotary valve head for the grey motor in the 1950s
Anyone on gods green earth that gets this far in building a new engine design has my subscription. Don't stop.
Hell yes. Unlike a lot of people that only post the stuff that makes them (supposedly) look better, this man left it all on the floor and posted the good, the bad and the ugly. I admire a man that is that confident. Awesome
I will give you an "E" for effort. The way it was shooting flames out the exhaust I will say it's in the timing, most likely between the valves and your design of intake. KEEP TRYING ! don't ever give up. Lots of luck to you my friend.
I also was thinking that timing is an issue. The timing, duration, and overlap could also be contributing to the low compression.
it turns the wrong direction
@@sam_s_ SxS%¢¢
As a Mechanical Designer (>38yrs),.. this was GREAT!... bcuz, this was honest and what happens when you experiment! Keep at it, cheers!
Just shut up
what type of valve was that?
С каким удовольствием я смотрел это видео! Не бросайте проект! Очень здорово, что Вы не растянули проект на миллион маленьких видео и выпустили все одним роликом!
И наконец понял, что этот пылесос не работает!!!
Пылесос. лол Это чертовски смешно. Но при этом очень дорогой, а смотреть гораздо интереснее. Если это плохо переведено, вы можете обвинить Google в этом. Спасибо, Альфредо из Техаса. ✌️
I hope he does not abandon this project, it still might work, with some shims or better bearings with the Cylindrical Intake shaft manifold. I think, that's his major problem, he needs better bearings to seal the upper cylinder head.
Я тоже залип на этом видео и смотрел его без перекуров.
Вот основные причины по которым ваш двигатель не завелся:
1. вы сделали 4-х тактный двигатель у которого все такты происходят за 1 оборот коленвала, в четырехтактниках все такты проходят за два оборота коленвала. За один оборот коленвала все такты проходят только в двутактных двигателях и в роторно - поршневых, а в вашев двигателе я не увидел продувочных каналов.
2. вы крутили против часовой стрелкисвой двигатель, попробуйте покрутить свой двигатель в другую сторону, т.е. по часовой стрелке.
3. в системе зажигания на вашем моторе нет возможности регулировки угла опережения зажигания, искра должна быть не в верхней мертвой точке, а чуть раньше в.м.т.
4. передача от коленвала на вал фаз газораспределения должна быть 1:1, а у вас одна звездочка чуть больше другой, сделайте звездочки одинаковыми. Кроме этого, попробуйте немного сместить в.м.т. относительно вала фаз газораспределения в ту или другую сторону.
Удачи вам в ваших экспериментах!
@@АлександрШевцов-е1ъ если бы был 2тактный возможно бы завёлся
@@АлександрШевцов-е1ъ тоже заметил что крутит в обратную сторону и звёздочки разные . А герой водопад похож на кавказца .
Honestly, I enjoyed every minute of this video, the end result doesn't even matter, your craftsmanship and ambition are admirable!
I second that, was a awesome video.
me too !!
The same is my opinion.
AGREED!!!!!
Something very similar was done on a 5 litre Ford V-8 in early 2000's. It could rev to 10,000 rpm as it didn't have poppet valves .It didn't have any oil feed to top end either using carbon ceramic bearings which also acted as seals. A few years earlier I came up with something very similar as well but couldn't figure out how to make it work on more than a single cylinder (designed around a Honda 90 engine)
It's either valve or ignituion timing. At least it looks and sounds that way. Even with very little compression it should still be able to run with no load. I think it should run with some more adjustment.
If you need a drill that big to turn it, it's probably not compression.
It was absolutely amazing watching the whole process of the motor being built. Great work!
Yeah, even a small amount of compression it should turn over. I also agree the timing could be to far out.
Completely agree, also some oil porting of some sort or coating to reduce friction on the valve shaft will be something nice to look into. I noticed that the resistance to rotate the engine increased as it warmed up, may have something to do with tolerances and differences in expansion coefficient in materials. I hope he doesn't give up his work
I agree.
@@MrDanto2041 well absolutely, did you see how tight the Piston fit in the cylinder???? It should never be that tight! He needs a few more thousands removed from the bore. Absolutely way too tight! He didn't give any room for piston to wall clearance.
This is true. Either a tricky 2-part valve that's adjustable for timing or 2 rotary valves in that head. On initial start, engines "like" different timing and you'll need to adjust.
As a mechanic I really appreciate people who are like yourself because without people who try to do something new we wouldn't have any modern engines you kind of reminded me about the story of the man who broke the land speed record back on an old Harley or Indian but without people who try we wouldn't have powered flight and to be honest you have some nice engineering machines but its the humans that get everything right i mean seriously your engine would start no problem if you wanted to make it O.H.C or 2stroke but the idea itself was really quite clever,the idea of the Rotary probably had issues at the start..
The man who created the rotary engine also created most of the curse words we use today, true story lol..j/k, but yea much respect for people who take on challenges like this, definitely a rare breed
This is so much more than I ever saw being done in a 'garage'. Great engineering with heart & soul! No matter wether it worked or not , man, you are my hero! 🤗
Ну а что, неудачный опыт - тоже опыт! с этим сталкиваются многие изобретатели, и в итоге доводили дело до идеала.
И вы доведёте! Удачи вам!
This engine will work. Ignition needs to be advanced on low compression engines. I would try radiussing the flutes on cam. Possibly advancing cam to open intake before TDC. Keep playing with it and it will purr like a kitten...
I was going to say exactly that. You can tell the timing isn't right because there's exhaust blowing out the carb. Like when he got sprayed in the eyes towards the end. Watch the mist coming out of the can of starter fluid.
Plus, if compression is the issue, make a little bit longer rod. Or make/find/buy a new piston. Probably, it's easier to just make a rod for it.
It’s not cam control didn’t you watch the video ?
Prendi due camere dei due tempi una la usi per alloggio del pistone, altra camera per albero del aspiracione e motore funzionera da dio🤣🤣🤣🤣👋
@@pufango4059 what do you call it?
Sir, I really enjoyed watching this video.
The amount of work and effort put into making this engine was truly inspiring. I was captivated during every minute.
Even if the end result was an engine that didn’t run, the skills that went into machining parts and fitting them together was truly inspiring.
I am a journeyman diesel mechanic by trade, so now I too am wondering why this engine didn’t run, and what could be done to fix it. (It’s literally in my nature)
So I have a suggestion for you sir.
The spacing between “valves” or intake and exhaust ports may be too close or even too big. It just might be that the engine is dumping it’s compression through the exhaust port too soon. One thing I’ve learned during my career working on engines is timing is everything.
Your little engine wanted to run, but most likely couldn’t because it was forced to dump its compression before complete combustion could take place.
Again, only a suggestion. Maybe a 2nd look at your invention is warranted ?
I look forward to seeing it run !!!
And am definitely going to subscribe in hopes you do revisit this idea in the future.
Stay safe my friend. God Bless and good luck !
Your face when you make a mistake is priceless! I am just a layman but even I can see many advantages. No cam needed, no tappets/pushrods, no valve clearance issues, less weight, potential higher rpm, no loss due to valve springs and easy to change characteristics of inlet/exhaust timing. Brilliant concept and I admire your dedication and that you can still laugh afterwards. SUBBED
Yeah, I had trouble to sub, I couldn't stop watching!
I think you may have taken a lot of assumptions for valve size, intake duration, shape of inlet and outlet, etc. Check out the Coates Spherical Rotary Valve system. It is a similar idea of what you're trying to do here.
I’d say you are right! This idea would most like work with some tweaking of intake and exhaust ports. And timing who knows what kind of power it would have though, I’d say it would run.
Yeah ..ford did a bunch of stuff with Coates
Believing that this is an invention in any way, that nobody else has tried this before, really shows how arrogant the creator is.
Exactly what I came to say
@@xaytana ignorant maybe but arrogant i dont believe, regardless his ignorance is more respectful than your etiquette or critique
This man just built an engine of his own design from a lump of metal in his garage.. I mean really.
It’s a workshop full of equipment , it’s not a garage is it ?
There are many things to admire in this video! But what I admire the most is the fact that You manage to laugh after having to extinguish a fire on Your engine using a powder extinguisher... That really takes a special kind of mindset :)
Your craftsmanship is amazing. my heartfelt congratulation to you. I strongly believe you should continue this project and this will definitely succeed. I suggest 3 modifications:
1.about the compression issue use rotary seal on both side intake and exhaust between the pipe and body.
2. in IC Engine valve timing is very very important to run a engine. i suggest instead of a single pipe inlet/exhaust. make it seperate and then fasten it face to face, by that you can change inlet vs outlet angle(which is now fixed). also timing with respect to crank rotation can be managed by usual timing chain shift as we do in conventional ic engine.
3. you have to manage the spark timing, which can be managed by making the pick up coil adjustable. degree forward or backward. cause you know spark is not at TDC , you need to adjust that.
i strongly believe you will definitely succeed in this.
i am ready to volunteer help in this project to make it success.
feel free to reply. i will clarify.
Generous offer 👍
Фазы впуска - выпуска не отрегулированы. Момент искры тоже, при этом искра бьёт два раза за четыре такта вместо одного. Карбюратор не соответствует объёму двигателя, камера сгорания не имеет нужной степени сжатия. Задумка отличная, осталось довести до ума. Хочется увидеть продолжение. С меня подписка.
поддерживаю!
в автомобильных двигателях с модулем зажигания искра тоже бьет два раза за четыре такта
@@Lissopen Не будем забывать, что только с модулем, и что там стоят всё-таки клапана.
Даная система газораспределения не даёт надёного сжатия горючей смеси. Нет плотности. Распредвал пропускает газы. Вот поэтому в первый раз загорелся карбюратор. Надо переделывать только на клапана. Чтоб распредвал держал компрессию надо, чтоб он плотно сидел в скользящих подшипниках. При сильно плотности распредвал не сможет вращался, его заклинит. Вот всё одно с другим связано. Надо делать класическе клапана.
@@papa58857 Ну Вам-то конечно виднее о плотности узла распредвал - головка, ведь вы принимали участие в проекте и сделали все необходимые замеры и расчёты... В случае плохого уплотнения этот двигатель должен постоянно "чихать" , при чём в обе стороны одновременно. Могу сказать лишь одно, что двигатель с обычной системой работает и с не притертыми, и с зажатыми клапанами. Не идеально конечно, но всё-же работает. И если всё дело в уплотнении, то человеку надо всего лишь проточить пазы под резиновые уплотнения - колечки, и убедиться в этом. Узел будет не вечным, но времени на выяснение причины хватит. И если всё-же причина в отвратительном уплотнении, то можно подумать об реализации уплотнения, использующегося в роторных двигателях.
That is so much machining. What a freaking legend. I really liked how he made a self tapping spark plug. That was very clever
I invent things and have 3 patents, this was so familiar, most ideas are like this, however when you have a win, it makes up for the losses. Keep going, you will have your victories!
You can not give up on this! Double check "valve" overlap timing and also ignition timing (5-10deg BTDC) and get a static compression ratio number (IE 8.3:1) to see where you are in the design.
And of course do a compression test(800-1000kPa preferred)
Definitely ignition timing when it backfired through the carburetor 180° out. Also your first mag coil was grounded out on the case it was arcing by the intake flange.
@@LionHeartOG I noticed the arc at around 3 o'clock on the intake flange, but it appears to be the work light on the drill shining thru the cooling fins on flywheel. I also believe that U need some sort of timing adjustment, as well as some way to advance it a higher RPM. Once U get the compression leak around the camshaft fixed. Keep plugging, U will get it!
@@LionHeartOG Yes this engine will run, we need redemption! :D
Чтобы деталь крутилась в детали, нужно иметь между ними зазор не менее 0.05 мм. Это не герметично для газов. Есть другой способ убрать этот зазор полностью. На одной детали нужно сделать канавку и утопить в неё на пружинке шторку, которая будет всегда притираться с движущимся валом, стенкой корпуса. Такая деталь уплотнения стоит в воздушных высокооборотистых шуруповертах, которые работают безотказно 20 000 часов (проверенно мною) и им хоть бы что. И сделать их можно не из металла, а высокотемпературного пластика, текстолита. Всего то делов, прострогать канавку и вставить на пружинке текстолит. Это будет герметичнее и надёжнее клапанов. С компрессией можно справиться. Другое дело нагар и его воздействие на стенки как абразив. Смазка движущихся частей, которые на сухую не должны работать. И это тоже легко решается, если перед компрессионной пластиной из текстолита поставить одно или два компрессионных пластины из твёрдого металла, как у обычных компрессионных колец, с дополнительной маслосъемный пластиной. Без них компрессию не создать. Но пластины на пружинке будут работать 100 лет в отличии от колец поршней, срок работы которых ограничен конструкцией поршня. Так что это очень хорошая идея, создать двигатель облегчённый, надёжный, без громоздкой ГРМ. Это двигатель будущего, для самолётов, планеров, ЛЛА, мотоциклов и машин. Продолжайте дорабатывать !
Салфеточку бы посмотреть... С расчётами...
@@RealBlackFalcon Это элементарно Ватсон ! У поршневого кольца упругость колец падает в квадрате от выработке колец и стенок цилиндра и зазор в кольцах - основная потеря компрессии двигателя. Нагар под кольцами - основная причина выхода их из строя из за залипания. Какое бы качественное топливо не было использовано. От масла моторного ни куда не денешься. Упругость кольца ограничена её конструкцией, больше не сделать при всём желании. У шторок никакого зазора нет и не может быть, а усилие прижатия может регулироваться не ограничено, как механическим способом, пружиной и регулировочной пластиной, эксцентриком, так и пневматическим, гидравлическим способами. Множество вариантов. Всегда можно держать компрессию под контролем. Ресурс мотора напрямую зависит от выработки поршневой группы. Салфетка нужна для другого дела. Тесла (без салфетки) ни сделал ни одного письменного расчёта, а его изобретения до сих пор никто не повторил. Мотор Кавасаки сделан был чисто экспериментальным путём, по интуиции, и его двигатель считается не превзойдённым шедевром мирового моторостроения до сих пор. Это было время безотказных двигателей миллионников. Практика, опыт - фундамент науки, но никак не наоборот.
If you use two shaft controlled intake and exhaust，maybe better
Make same size. Heat one freeze other
Что скажете насчет роторного двс от Liquid Piston? Вот это как по мне реально двигатель будущего. Повышенный значительно кпд, возможность изготовления под разные виды топлива вплоть до дизеля! При этом малые габариты вкупе с большой производительностью.
17:48 - That is me almost every time I have a machining project. Marvelous video and project! Not only was your creativity in fabricating wonderful, your perseverance and attitude taught me so much.
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يكفي شرف المحاولة والصبر . والصدق في نشر المعلومة. نحن نقدر جهدك و إبداعك . شكرا لك وتحية خاصة من سوريا
I would’ve given up long time ago. This guy is my fucking hero. Lasting that long without losing a nerve. You’ve got yourself a subscriber 👍
Что вы иностранцы - засранцы, поминаете лукавого, где надо и не надо?!
If your objective was to produce a working rotary-valve engine, be prepared to endure a thousand more iterations. If your objective was to become an even-more-competent machinist, designer and thinker, you've succeeded. Again. If your objective was to create another hour of uniquely compelling content ... well, I can't wait until your next installment!
I don't know, the Bristol Centaurus was used in British aircraft and Norton designed a two cyl race engine but it was plagued by the companies failing sales so no Capitol was available for newer designs.
I want to see him figure out how to make it work. I posted my idea, and now I’m reading all the comments to see everyone else’s.
@@terjeoseberg990 People already have figured out how to make them work. A lot of experimental stuff with internal combustion around the turn of the century. But for whatever reason they fell out of favor or production in the 1920's. (I'd guess issues with keeping a seal on the valve drum due to wear or scoring?) His best bet would be to look for historical examples and archival blueprints. Having a modern take on such a design would still be fun to get working.
I really liked that you showed everything, not just the things that went well. My favourite was the pot part :)
Same here. A round peace of wood in the pod would have prevented the sides from collapsing inwards. :-)
I so wanted to see it work.
Time, effort, cost and skill, you put everything into it.
I laughed with you, and almost cried for you.
Loved it
As a machinist this is really nice to see someone knowing how to make due with what he has and creating something beautiful.
Btw, one small piece of advice start your threads on the milling machine. Just put the tap in the chuck, Realesse the quill and turn it by hand. That way they are going to come out straight every time.
A shame it didn't end up working
How cool was that tap made from a spark plugs, haha!
Its seems as if the timing is off just fractionally, not sure how much compression you are getting but if that is close to enough, I think with different timing it could run.
When he first tried, it was definitely too far advanced, hence the kick-back. You are correct, with the timing retarded slightly it will run. Good work and good video in all.
yeah ignition timing needs to have some slots so he can adjust it.who knows what advance that type of system needs.
As somebody who makes software, I'm incredibly impressed by the skill of this man. One mistake and all his previous work is ruined - with software it's just edit and recompile.
Exactly I also work in Software but I do some mechanical work like this just to keep in touch with real world toughness.
As a small engine mechanic for 25 years, it looks like the timing is off. Other than that I believe you have a great idea for a good engine.
Rotary valve engines have been around for a long time, well over 100 years. They always come up against the same two problems, lubrication of the mating rotary surfaces and sealing. Nobody, even very experienced developers like Cosworth have been able to solve these issues. The nearest solution was sleeve valves as used in the Napier Sabre and Bristol Centaurus and Hercules engines. However if you watch a video of one of these engines starting, you will immediately see the problem in today's pollution conscious world. A Bristol Centaurus when starting, can cover a whole airport with burnt oil smoke.
Ya I was going to bring up sleeve valves too but the idea of a rotary valve is cool… too bad they have so many issues.
Ничто не делается без проб,ошибок и последующей доводки до УМА.
Don't forget the Coates Spherical Rotary Valve, they've been trying to get that thing working for decades now. It probably had the most promise out of all of them but after 30 years they still haven't been able to get anything on the road beyond a few prototypes.
You are my hero, attempting to do what most would call the impossible without a computer. Saying that it also seems like it is an issue with timing or fuel starvation, I honestly have no idea it is just a thought from someone who knows nothing about the build of engines. Keep going with this project as my pop used to say ya gonna find the solution. Brilliant Video.
После каждой попытки доработать, устройство не работало всё лучше и лучше. )
Ты молодец! Руки у тебя золотые и голова светлая. Не торопись, подумай как следует, поймёшь, что улучшить. Удачи!
Вот парень устроил элемент газораспределения.
А не учёл такой момент - Размер входного и выходного отверстий.
Клапана на двигателях имеют разный диаметр.
А это не спроста так устроено.
Ну ты Самоделкин так и на заводе делают а ты дома и так профессионально вот что значит человек зародился идеей и доводит до конца Сто лайков тебе
It doesn’t SOUND like a compression issue to me. I’ve seen old engines that had 30psi compression (I consider 90psi and less to be low on most engines) fire right up and ring great. Sounds to me like timing. Try advancing your ignition timing a little, maybe slowing it. If that doesn’t work try messing with the rotary valve timing a little. You’re definitely on to something though. Considering that it’s a 65mm (or whatever it was) bore that looks to be fair compression.
My thoughts exactly. Backfiring and the flames from the exhaust side suggest late ignition. The fuel is igniting after the exhaust is open. Ignition system did not look adjustable from what i could see when he assembled it.
@@drickles37306 Bingo. If you can't light ether, you can't light anything.
Also a Hotter plug may help as well but, these where my thoughts as well
He didn't hook up a gauge to confirm compression. I'm also thinking timing the way it would back fire through the exhaust.
Compression seemed fine to me too, I thought timing too, though there was smoke from the exhaust, which suggests something else!
Привет, очень хорошее видео. Как вариант чтобы увеличить компрессию нужно проточить на поршне ещё одну канавку для третьего компрессионного кольца, так же в место где вращается вал сделать проточку для сальника. Ещё можно применить другой вид топлива например: 1 часть эфира + 1 часть керосина+ 1 часть касторового масла.Такой вид топлива можно использовать для авиационных моделей,этот вид топлива можно использовать без свечей зажигания.
Ещё один способ для увеличения компрессии - можно сделать регулируемую камеру сгорания путем затяжки сверху болта( это второй поршень который находится в верхней мёртвой точке и регулировочный болт давит на этот поршень) Так происходит регулировка камеры сгорания.
По отношению к валу для впуска и выпуска: окно для выпуска должно быть немного больше чем для впуска - за счёт этого улучшается продувка камеры сгорания , тем самым улучшается коэффициент полезного действия.
Если интересно то я ещё могу много рассказать про это.
Удачи.!
Ещё как вариант нужно набить хон на цилиндре
А ещё можно взять уже готовый дигатель с нормальной компрессией, хоном, степенью сжатия, карбюратором, зажиганием и просто сделать кастомную головку как здесь.
ПС. Последние попытки пуска двигателя сделали мой день, 50 минут технонаслаждения и в конце 5 минут неудержимого смеха
Плохая компрессия здесь как раз из-за системы впуска-выпуска. Соединение распределительный вал - головка не обеспечивает достаточной герметичности. Эфир с керосином и касторкой здесь не помогут так как не обеспечена достаточная герметичность камеры сгорания и невозможно добиться необходимого давления и соответственно температуры для вспышки такого топлива.
I agree! Try a different fuel type! Awesome video!!!
Сальник не годиться, он быстро сгорит и сточиться.
Love it. I,m a retired tool & die maker. But I was in racing my entire life. Drag racing, kart racing, on & on. I love watching guys as you. Experiment why your still have the drive you
do. God l can connect with what your doing, just questing it seems like intake & exhaust
Timing along with ignition. You get the three working together I think it will work. Take
Normal internal combustion engine & a degree wheel , record each opening closing and
The ignition timing & balance your engine to the one you recorded there degrees at. Keep
Us posted my friend. It was trying, to start, I think your close, do not give up.
Plenty of compression for that to run, especially with the starting juice. I'm going to guess timing is very critical but I have no experience with rotary valve engines. You are one hell of a machinist and should keep going with this idea. I am definitely subscribing. Fantastic work!
I agree! And also agree he should try getting the port size and timing right! He needs to make another video doing it! He's definitely got plenty of attention for the views!!
It may be that the timing is off a few degrees. Most cams open the valves up to 15 degrees or more before TDC since it takes time to get the air flowing.
I feel your "valve tube" may beneffit from the use of piston rings running in groves to separte the inlet and outlet and tre outside and keep in compression. Should be a "simple" thing to machine a few groves and find some small engine rings. Well anyway. Fantastic work ! Fantastic video! Amazing entertainment.
Brilliant machinist! Wish I could do that. I look & look and then adapt. I’m currently on 6 failures to 1 success. I find solutions “come” to me when I’m asleep in bed!
It has to be an issue of intake and exhaust timing. This was SO cool to watch while eating my morning breakfast. Whether it worked or not you are very skilled with your lathes. Subscribing for sure!
Agreed! For Real some great follow through. Subscribed!
You spend an entire hour on breakfast?
@@davidreynolds731 Doesn’t everyone?
yep definatly a timing issue
@@ryanintopeka I would if I was watching this video, really entertaining. Well done, hope you fix it.
The timing maybe off from diameter to diameter. Top gear maybe to small for rotation which caused the fire to come out on the fuel side. Cam oil feed also needs to be covered (This is causing your Compression getting force down the oil feed past the pump to the sump.) With a monel sleeve bearing of 5 thousands oil clearance with only 3 tiny holes 2 at each end and 1 in the center and 1 return on the opposite side will solve this problem. Plus note steel and aluminum tend to stick when they get hot cause steel expands faster while the aluminum which loses it's heat faster does not. There for always grabbing when you turn the engine for to long. Also the cylinder needs to be honed to hold oil and your missing the oil pick up on the crank that splashes oil up into the cylinder.🤔👍
Well said! I came to say something like that but, yours is better...
Well said :D
U are correct. The timing is wrong. I knew it before it was even finished
But u do beautiful work u have nice equipment
And I really appreciated he work u put in to making the video
I ve been building engines and making things run that have been laying for years and I’ve been doing it for 50 years So I do appreciate all the work u put into that engine and it can work with a little redesign
yaa
PS: you must vent the crankcase to prevent reverse compression against the piston.
Especially in a single cylinder
Мы не обсуждаем нюансы, обсуждаем концептуальность.
Yes 🙂.
Solid advice
I haven't viewed much of this yet, but I assume it is a 2 stroke motor where the pressures in the bottom end are vented (transferred) through the cylinder ports.
I designed this same engine when I was child. I am 63 now. I sent it to a company called Sarich orbital engine research department and the engineers explained that the friction on the rotating valve would be a issue and cause too much drag. Also when the rotary valve wears it would leak around the cylinder under compression.
It was a valuable lesson for me being a child.
Also even though I filed a provisional patent before I sent the idea to be assessed, it is likely that hundreds of people had thought of the idea before me. Good luck.
Also never never start a small engine with a drill. If the piston does not reach top dead centre and fires then the engine will spin in reverse this taking out your wrist bones.
with this intake-exhaust design, you could build a variable timing engine by using a split shaft, a second chain and some levers to change the phase of the intake bore. if i'm not wrong, a variable timing setup can save your engine from being a fail project. good luck!
Ждем бэтмобиль на этом двигателе 😎👍
Болх меле хил!
I’ve been working on trying to eliminate the valves for over 25 years. Tried rotating plates, sliders, reed valves, all with problems. Good luck. Hope your a better man than me.
Look at the cylinder head at 21:12.
If he had just put the camshaft completely inside the bore, and just cut ports out for the camshaft channels, the engine would have ran after being dialed in. Trust me.
@@Cat-fy5lw this is the reason why that engine will never work. The cam rotates 1/2 the speed of the engine. Therefore the cam will rotate 90 deg. with 1 stroke of the engine. Now say you have a 1/2 port and you have a 3.5 stroke. With a rotating port, the port starts to open at 0 deg. It won’t start to close until 90 deg. So let’s say you have a 3 in. cam with a 1/5 in. port. The cam will have to rotate another 19 deg. to close the port. the port will still be open on the up stroke. It will take another 19 deg. to close it. That’s about 3/4 in. on the up stroke. If it don’t work on paper it don’t work in the real world.
@@attackcatt So, then, he just needs to redesign the camshaft. That'll be easy.
It almost started several times, I do believe the problem is that you needed a way to adjust your coil around the flywheel so you can advance or retard the spark timing in reference to top dead center (TDC) of the piston, that would allow for easier start-up of the motor. Most engines fire at 8 deg. Before TDC, but if you could adjust your coil position it will change your TDC firing position.
I like his concept i would like it to run just out of curiosity
Я случайно увидел это видео! Я просмотрел полностью работу этого мастера! Низкий поклон вам! Лайк подписка. И надеюсь этот двигатель запустится!
О еще один Поклонник Игоря Негоды И Левши) Шалом)
Присоединяюсь.Парень супер.👍☺️
Looked like a timing issue to me. Your talent and craftsmanship is amazing!! Keep up the good work!!
I think the timing chain tensioner is on the wrong side, and the gas inlet and outlet clearances
Maybe run the intake and exhaust on two separate shafts, with it popping back through the intake it’s definitely a timing issue. Definitely on to something, don’t give up.
Me working technical product design working on the CAD side of aluminum station presses asking my team lead in a while randomly: „Hey, what would speak against putting a pan from someone over that so we don’t have to machine it? I bet someone would be found with a fitting pan to sacrifice for a chest of beer…“🍻 🤣 I’m from Germany haha
Looks like timing issue. since the exhaust is coming out of the carburetor
Nice build!
Valve timing not spark :)
You are very good! I am a retired tool die and mold maker. You have a lot of experience from what little supplies you have. It is fun watching your videos. You don't waste any time. You get to the point and you even show mistakes which happens to everybody! Did you go to school for Machining or did you pick this up yourself? I watch every move you make. You have a lot of experience.
Thank you for the kind words, yes I have a degree in metal Processing as CNC operator with 15 years of experience
@@meanwhileinthegarage you're welcome for the kind words! I have built over 90 internal-combustion engines for racing, stock, and custom cars. I understand all the processes that you went through. I would seriously continue on trying different timing, volume combinations, stroke increase to get this motor to run. You're not far off.
Thank you so much Robert.
I doubt that compression was the problem, it's probably a timing problem.
I was thinking the same thing
You couldnt be more wrong about it. The Problem with the rotating shaft as an exhaust does not end there. This isnt a new idea. Many have tried, all of them have failed. Even if he would have gotten it started, as soon the Steel shaft gets "fire" it will either sieze in the head or the aluminum head will probably expand more than the sagt and will Loose even more compression. You can clearly see that the engine has seized many times without even starting.
@@alexi077 It's not something that can be done willy-nilly, but I think it can be done. There's probably not enough benefit in it for anyone to try to perfect it. I wish the guy had done a compression test, kinda silly that he didn't.
Podrías intentar con turbosina para aviones para compensar la baja compresión 🤔
Its definitely timing. Needed a adjuster there. Thats too retarded. Needs to advanced like 20 degrees. Its firing when the piston on exhaust stroke
what no cussing? every mechanic michinest has their favorite cuss words, this video really makes me appreciate how our hard our inventers had in building our world
Make the coil position adjustable so you can adjust the spark timing and advance it a bit from where you have it and it might just fire up.
with fire in the intake i think spark was too advanced (firing when intake was still open). unless that was fire from the overly rich mixture still burning in the cylinder past the exhaust stroke
@@thebluelunarmonkey There was a few little issues and ignition timing did seem to be too far advanced. Even if it requires that advance to run, it may require heavy retard to be started.
@@thebluelunarmonkey I'd tend to think too much spark advance would've made it try to fire but kick back on most every combustion stroke that had an ignitable mixture in the cylinder. Your 2nd thought is likely correct, that carb fire was from excessive fuel that got puked all over the thing, IMHO.
Seeing all the "Backfire" into the Carb, means, your timings are wrong. In the moment the combustion kicks in, the intake is still opened wich causes that backfire and the literal Fire you had there. You should rethink the openings in your intake/exhaust rod. I'm totally into the idea of yours (even a similar system is already there for 2 stroke engines) With that being said, i hope you keep trying to improve. Would love to see that thing running after all the work you've put in there.
I agree, looks like a port timing issue to me, perhaps even the size of the ports
I think it could work, it deserves to work with the time and effort invested in the project.
Instead of trying to start it, spend some time trying to improve the compression checking it with a compression tester. Maybe make the valve timing adjustable. Once the compression is maximized, the valve timing must be correct. Then he can try to increase the compression further by adding straight rods right before and after the intake and exhaust ports.
Wolle0rism, u are 100% right. Ignition timing is the first thing ill have look at followed by cam timming and also port duration. Good luck with the motor. Dont give up ! It will run!
I think timing too. There was flames out of both sides which means the concept is there. I also think for the size piston, the whole engine seems too tight on spinning.
Here's a suggestion. Make the intake and exhaust slots in a slight helix around the tube. By increasing or decreasing the twist, you can change the duration of intake/exhaust timing during the intake and exhaust stroke.
I like that idea, the port area may be OK but the timing is off with too little time/duration
Настоящий инженерный,конструкторский подход,очень здорово,смотрел с огромным интересом
as you mentioned about low compression, cylinder leak down has always been one of the main problems with that type head design. great job though don't ever quit exploring and creating your ideas.
Like the FAD (finger assisted drawing) on this. Hard too imagine how much work and effort its put in too this. Thanks for sharing :)
If I remember correctly your theory is correct. I remember reading about a gentleman who made the same type of engine for formula one. It was quite a while ago and I don't know if it ever made it into production, but it does work. Also, I didn't see a cross hatch pattern in the cylinder sleeve. Rings will not seal properly without that. Try hoeing the sleeve. And from what I see it looks like maybe a timing issue. I could be wrong but might be something to look into.
Please don't give up on this. I am routing for you. I do believe you will make it work.
honing. hoeing is best kept to the garden.
This was Guy Nègre. But it was a bit different. MGN w12.
Norton also tried that in the 60s, main issues were sealing (no joke 🤣) and mixture motion not adequate ( low charge motion leads to slower combustion )
I think Apfelbeck tried it also but not sure.
Somebody buy this man a Mig / Tig welder. Great Job Buddy.😃
There is another issue you may not have thought about, heat from exhaust affecting intake since they are on the same valve and heat transfer is imminent. But really good idea overall, I am impressed.
Золотые руки и светлая голова 5 +++++ все изобретения проходят путь через пробные изделия и ошибки в изготовлении, обидно, что не работает, но идея хорошая. Хочется пожелать Вам удачи. СПАСИБО. Россия.
задумка хорошая, и я думаю рабочая, но ее нужно доводить до ума, увеличивать компрессию и четко настроить зажигание. Отличное видео. лайк и подписка за такой колоссальный труд!
Та не.. всегда будет зазор между стенками и валом газораспределения. Сделать без зазора не будет вращаться.. я уж молчу о температурном расширении
@tigor 112 так, погодите, эти пусковые двигатели просто двухтактники с окнами в самом поршне, верно?
Ой, поршне, цилиндре.
У него косяк с фазами и степенью сжатия
Воздух дует в карб это говорит о не правильной фазе ГРМ
Awesome try, guy!
Shouldn't the final starter set-up have turned the motor CLOCK WISE from that side anyway?
Party On, Garth!!
Дело не в степени сжатия, на мой взгляд - даже сильно изношенные двигатели заводятся, хоть и не имеют прежней мощности.
Мне показалась странной система смазки распределительного вала - масло просто потоком хлещет в камеру сгорания и выхлопное отверстие. У вас просто "заливает" свечу и воспламенения топлива не происходит.
Попробуйте не короткое время запустить двигатель без масла в картере двигателя - должно заработать.
ХернЁй он страдает.
Титанический труд
Have been knocking this idea around for decades. Couldn't come up with a way to positively seal rotary valves, intake and exhaust probably must be seperate or firing engine could ignite intake charge (or at least cancel intake vacuum) . Also firing pressure is much higher than static pressure so good seals essential. Glad to see it this close to working, eager to see your next iteration. 10👍/10👍
Yamaha built a rotary valve engine many years ago. I don't know what they used for valve seals but it ran and had a very flat power curve. My brother and I were considering to build a rotary valve V8 but still have to contend with seals. Other than low compression, maybe your valve timing is off, with both intake and exhaust being open.
The intake and exhaust ports should probably be neuraled so they can also act slightly as flow pumps, adjust duration and allow for a closer machine fit without edge to edge binding, shaft should also be sleeved.
I think timing should be advanced a tooth or two and intake needs a better seal.
His ignition timing may also be to far advanced.
The system I describe above solved that problem with extremely minute tolerances, the valves were circular with circular edges across the depth, that fit exactly into a rounded groove, each side had a valve through it and then for some reason out the flat side instead of straight through, I mean if they were straight it would eliminate the poppet valve and it being directly in the way of air flow, just an "X" through it and offset on the shaft so that the timing was correct. Their website said the shaft with the valves was gear driven, directly connected to the crankshaft. Which I think is Brilliant and will attempt to engineer a set for the performance car build I'm working on, possibly a little transmission for VVT to adjust maybe a CVT for a bicycle....
It seems to me like a timing issue, either with ignition or cam timing or both. I would double check the ignition timing events, otherwise you might be opening the exhaust too early or closing the intake too late, bleeding off your dynamic compression.
I've said it before and I'll say it again.
The main problem is that the cylinder head/ camshaft assembly has a design flaw.
@@Cat-fy5lw And what is the flaw?
@@Anonymous-oy6rj The huge slot exposing the entire side of the camshaft at 21:12. The space between the camshaft and bore is letting compression escape like a corrupt jailhouse warden.
To fix that, I would move the camshaft up by a couple centimeters and have two small elliptical ports leading into the combustion chamber.
Another guy suggested that it could also be the timing. I'm thinking he might be right.
@@Cat-fy5lw I agree
I’d say look more at timing. Wouldn’t compression issues go out the window with enough speed starting it? Look at old rotary engines with worn tips.
DUDE, right off the bat I saw how LOOSE that piston and rings were, knew damn well it wasn't going to run.
Beautiful work though.
I've been a mechanic, machinist, racer, and fabricator for about 55 years, and this is the best video on this subject, and this guy is a very good machinist, at the very least, but a brilliant creator. The bragging out of the way, the small flywheel would have been a big mistake. I did a little engine design for a company called Wisconsin\Robin.
The valveless concept has been done before and successfully so. Once you get your port timing and ignition timing figured out I'm sure it will run. Maybe need more adjustability with the ignition timing, looked to be firing too soon and then too late later on in your video.
I was thinking the same thing. timing was off. Compression for such a small engine should be fairly low.
Kohler uses an adjustable cam timing(mainly to reduce start up compression).Which engine?I forget.
@@genehunsinger3981 Honda does this with all of their small engines, china clones copy this design.
its definitely a timing issue
Yep. It's called a rotary valve engine. Companies that have made them include Roton Engine, Bishop Innovation, Mercedes-Ilmor, Coates International and National Engine Company.
Honestly, its an achievement in itself to struggle starting an engine what you built from scratch, when most of us struggle starting allready existing ones 😃😂👋
I love that you were confident enough to spend weeks of extra time making it look great and having enough cooling design with fins etc. when you were trying to test whether your concept idea would work or not, and then tried to immediately start it without measuring the compression or timing hahaha. Definitely enjoyed this.
I'm very happy to see a that someone build a rotary valve that finally working in reality♥️, the same idea I drew in the graphing paper when I was 12years old. I'm 31 now 🙂
Автор видео достоин уважения за упорство и большой объем проделанной работы. Идея впуска через вал не новая. Это принцип реализован в ранних авиамодельных двигателях внутреннего сгорания. Там чрезвычайно важно точно выдержать угол впрыска топлива. Желаю автору удачи в решении проблем с мотором и успешного запуска.
Вставной гильзой с окошком и регулятором угла можно регулировать угол впуска
Идея рабочая, надо просто довести. Можно подать жидкость в зазор (масло или вода), тем самым компрессия будет 100%. Чем больше зазор тем гуще жижа подойдёт.
Could you tell me what these types of engines are called? I'd like to look into them more.
@@БорисЛаневскийтак либо жидкость в цилиндр давить будет, либо газы в жидкость
Или и то и другое попеременно
@@gremuare а как по твоему достигается герметичность между поршнем и цилиндром? - правильно, с помощью масленой плёнки. Таким же образом можно обеспечить отсутствие зазора в таком клапане
Despite it did not start, all the machining and conception you did is no small feat!
Keep up the good work!!
Remember the earliest engines were only running 2:1 compression and ran just fine. Of course they had huge displacement and didn't produce much HP, but, they did run reliably. Personally I think a better way of varying the ignition timing would be a good thing to try. Otherwise it's GREAT.
I agree. The difference between running and not running can be just a couple degrees.
49:04 Always have to appreciate a man who puts in several hours of work, fails, and then laughs about it and moves on to succeed. You should earn a million subscribers for that positive attitude alone.
Отличное видео!!! Смотрел на одном дыхании. Жаль что не завелся... Но идея интересная!
А порошковый огнетушитель лучше заменить на углекислотный😁 Не так грязно будет после применения)))
Ждем новых серий👍👍👍
Lets hope it wont be necessary to use it !! 🙄😂
1 искра должна подоваться после прохождения поршнем верхней мёртвой точки
2 нужно сделать регулировки на катушке зажигания(как оно сделано было на доноре, это даёт возможности регулировки, как силы искры, так и небольшие регулировки в углах)
3 клинил из-за отсутствия масла на стенках целиндра(черпачковая система или форсуночная, делать надо)
4 степень сжатия регулировку можно реализовать с помощью сфрезировывания металла с основания и использования различных толщин прокладок
5 поиграться с искровым зазором свечи зажигания
Но решать только автору, как ему делать и что он хочет получить.
Первое что можно попробовать сделать, так это сделать зажигание на оптической датчике, что поможет определить оптимальный угол.
Все замечания, кроме первого, верны. Если вспомнить такое понятие, как угол опережения зажигания, то мы поймём, что искра должна подаваться как раз таки за несколько градусов ДО верхней мёртвой точки, чтобы смесь успела разгореться к ВМТ (а лучше позже). И, соответственно, чем больше обороты двигателя, тем больше этот угол.
A faísca pode ser fornecida ATÉ 15 Graus antes do ponto superior. Deve ir testando até chegar no ponto ideal.
Зашёл ради этого коммента. Всё верно, нужно доделывать!!!
@@zoobidy3543 эт так конечно для 4х такников, но в 2х такнике частенько можно получить обратку(лично получал), если сильно опережение сделать. А так все верно сказано вами, я не автомеханик, а механик промышленного оборудования(специфика другая)
@@МихаЛукин-с1ж ох уж эта ИЖ Планета и её кикстартер... Кто понял, тот понял 😅
Привет друг!Отличное видео.Жаль,что этот двигатель так и не удалось запустить.Очень много труда было в него вложено.У тебя золотые руки👍👍👍
Переделать головку на клапанах и много работы будет спасено.
Congratulations...regards from Athens Greece...
You are so close. As others have said, I believe the timing is just a little off. There are oil additives that 'increase' compression on older worn engines. Great idea, don't give up.
yep . When the exhaust comes out the carb/intake it's 180* out of time . The main problem with your design is carbon and combustion deposits are going to wreak havok on the rotary valve. FWIW I think it can be made to work if you get it timed correctly. Read up on engine valve timing (TDC/BTD etc) Although carbon build up will likely be a problem for longevity with the rotary valve exposed to the combustion chamber.
21:12 If he moved the camshaft bore upwards a few centimeters and had two small ports in the head instead of one big hole, the compression issues would have been fixed. The carbon wear would also have been fixed.
That’s hands down one of the most crazy RUclips build I have ever seen.! What a massive amount of engineering skills you have.’!! Wow I am blown away.’ All made in your basement 😳!!
RESPECT 💪😎👍
This is what you call good fabrication skills and semi-decent machinist skills and completely horrible engineering skills. If you know anything at all about any of these fields then we at least have something to agree upon.
особый респект за работу с нержавейкой, только за этот титанический труд памятник надо ставить,
I think the reason it didn't work is because any air you could get to come in via the intake "tube" didn't stay sealed in... it could simply leak out around the tube as it spun around... solve that and maybe have the tube be "chambered" separating the intake side from the exhaust via a partition so that the relatively quick succession of new intake stroke doesn't immediately pull back in outgoing exhaust and you might have something... afterall a rotary engine works similarly except it has apex seals which seal off any partitions the rotor makes in its path of travel (not a true ellipse I forget what is really called...) still a great video!
You deserve a tremendous amount of credit for the attempt, on that-extremely well done! My hat’s off to you✅👍
It might not have worked, but it's a beautiful work of art. It deserves to be on display at the Museum of Ideas. Don't give up on your projects and crazy things. Perseverance is the spring that drives success. Greetings from Brazil.
Scrapers on the the cam walls, think of them like compression rings on the piston. If it works the motor will 100% lock up in the cam section due to heat from the exhaust. Loved 😍 this video. Look forward to more
That's what it's all about. They are prototypes. Enjoyed the show. Keep stroking.
Well, you certainly learned _that_ the hard way. I obsessed with this idea in 1962. Apart from being difficult to seal, the valve timing cannot either overlap or open or close rapidly, so the idea is crap in more ways than one. Sleeve valves were more successful. Now, it's best to move on to electric propulsion. I have a challenge for you, if you like.
Try adjusting your ignition timing. It sounds like your ignition isn't firing at the right time.
👍👍👍👍👍
Ignition could even be 180 degrees off
It’s got to be hard to figure with that set up considering the rpms and gas expansion and release. I thought timing as well.
I think you're right, at one point it almost sounded 180⁰ out of phase... I can't explain it, it's more than a delay ... I get the same issue when trying to run hydrogen
I’m just a shade tree mechanic, but I was thinking the same.
The cooling fins are done exceptionally well especially in the oil sump area!!
Very exeptional build thank you!
_+1 SUB_