Not saying this 50cc makes 30hp, but...
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- Опубликовано: 6 сен 2024
- ...sure looks promising.
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I’m so happy you are finally seeing promising results, 30hp is already incredibly high and I’m so looking forward to see what the future brings for the brute force engine! Good job Alex, you’re a genius!
Please look at my post . They will help you I'm sure
I notice that the engine speed dies away very quickly as the braking force increases. Is it possible to change the rate of braking increase? This might allow the engine to sit at the peak for longer, giving more reliable readings, and also give the engine time to recover at lower revs without stalling.
Yes! That's probably the integration parameter in the PID controller.
Working on it 👍
@@2STROKESTUFFING awesome
@@2STROKESTUFFING get twerking! 🤪
You can have my Lectron nitrous carb if you re-imburse my shipping once I send a confirmation #. The fuel rod in it is for a 693 but the carb has never been installed
Thanks for the offer! I'll let you know👍 So far this carb is doing well.
@@2STROKESTUFFING 30 HP I can see that!!! Just couldnt help offering nitrous. The lectron I have is the all-billet one with nitrous-port built into it and an enrichment pump so its their fancy-schmancy one that self-tunes your nitrous within a range
On the salt its going to need to maintain that HP for at least 5 miles , the gearbox idea is going to make a big difference , looks like you are making huge progress .
Yes, Long way there still...
Alex, you're reaching the point where you might want to investigate some datalogging options. Seeing peak crankcase pressures would be really interesting and I think would help you dial in your rotary valve timing.
And with that, I think a precise and repeatable adjustment mechanism for the rotary valve also seems like a no-brainer at this point now.
Keep it up!
100% agree, datalog as much as possible. Experience is great but only gets you so far when diving into a new an unproven design.
Some method of logging parameters like crankcase pressure against crank angle would be ideal.
Yep👍
+++
A car standalone ecu like ecumaster it has built in AFR, map sensor, EGT it will drive ignition, possible fuel injection, lots of logging. Around 500EUR
@@Kamis47 im sure a ecu from a wrecked car would have most of those features and be alot cheaper. but not all car oem ecu's can be remapped. using a standalone egt is also possible
wow.
I started watching this series not *really* knowing what was going to happen (or much about 2 strokes really). Those are some nutty numbers from such a small engine.
Cant wait to see what the final result will be, keep up the awesome work!
He has some amazing videos explaining two stroke engines and the types/differences. I grew up racing 2stroke motorbikes and seen them rebuild over and over but never actually understood them, he changed that.
Engineer here that works on combustion Engines:
Maybe the engine dies under slight load at low rpm because your ignition is too advanced. A flat timing curve is not a good idea, try to at least ramp it up over rpm by using some standard flame speeds in combustion engines to determine the slope of the curve. This wont be perfect at all, but it will be way better than a flat line over a range of nearly 8k rpm.
I could see that too.. The mapping ignition is flat.. A curve end would be beneficial to the engine as it rotates faster, a slightly retard ignition on the end would make ignition happens faster and potentially 'knocking'will occur thus limiting rotation or might cause blow up of an engine..
600 hp per liter. Not bad for a chitty chitty bang bang work shed special! You are a hero to us work shed inventors everywhere! I have a ring seal discovery for a 50 mm bore I’d like to contribute. Testing completed.
Absolutely outstanding runs! Are you planning on running larger cages with carbon fiber or metal reeds now? Or will you be moving to stronger steel cages with the same reed size?
👍 Same size but stronger for now.
@@2STROKESTUFFING I remeber that Viton and Carbon reeds where the craze back when i modified 2 strokes. I don't know if it's still produced, but i bought the Stage6 Carbon reeds in combination with their full aluminium cage for multiple projects and they never failed me. I used them with the then legendary 2Fast 94cm³ kit for 50cc scooters and one thing i constantly noticed when upgrading from factory or metal reeds to carbon is that the responsiveness of the engine improved, since the carbon ones weren't as heavy and could therefore open and close faster, even with smaller amounts of air-fuel mixture coming in.
@@2STROKESTUFFING What is the HP you are looking for to make a record pass at Bonneville Salt Flats ???
+Michel aus Pimmelberger -same, i hear the carbon ones are better
@@2STROKESTUFFING P.S. I just remembered years ago when I had a problem with reed valves. I fixed the problem with using stainless steel flat spring stock reed valve material. A bitch to machine but you will be pleasantly surprised as to how well they hold up to abuse fella. Peace vf
The reed problem can be overcome by stacking reeds. Carbon with a titanium reed that’s undersized and installed directly on the carbon. Vintage two stroke have problems with “flutter”, causing the reeds to not slam closed completely. It has much to do with turbulence, and the fact that people didn’t understand what was happening at 100K frames per second. This is why we have “ Reed blocks “, it backs the tips of the reeds out of the turbulence, allowing them to seat slightly better, but not perfect. This is why we started using a layer of titanium/steel.
Order some reeds from a Quadzilla and cut them to size. They are as robust as you’ll be needing. But layering allows the reeds to operate properly at low speeds even though they still work at mind-bending rpm. Though it does give you more crap to find when you detonate.
A 500 has 53 hp ad a 450 has 42 hp that is crazy 30 hp out of the 50 is epic
my -06 kawasaki 450kxf has 58hp, and you can take out a fair bit more if you want. But yeah, this 50 is not less impressive anyway.
my Peugeot 206 got a 1.1 liter that makes 60 hp, that 50cc is just maybe half that xD
It's not a 4-stroke now is it. Honda MotoGP bikes made around 240bhp (500 v4 two stroke ) back in the day, all the others were not that far off.
My modified 02 Honda cr250 2 stroke dynoed at 58 hp. So half the power with 1/5 the displacement is pretty impressive 👌!
@@welditmick I'm two stroke until I die I'm old school and I have watched dino numbers that y a four stroke always needs go bigger to surpass the two stroke don't get me wrong there are some badass new bikes and they got torque it's just hard I'm die-hard two stroke guy love the smell sounds all the above klotz and race gas lol
Helt sykt å følge med på! Du er en legede blant oss garasje aper! 30hk i 50 kubikk er helt sykehus 🤘
titanium, ceramic, chromemoly, carbon fiber, gonna be exspensive to build final 2 engines for 5 mile runs. chasing breakdowns because of cheap materials for a very high output motor being so small. but were counting on you.
Genuinely absurd, you better bet I'll be at Bonneville the next time you swing through to see that engine in action
Congrats!! Looks very promesing. In engine category you and dahm are my absolute favorites. Keep up the awesome work.
Yeah both go super into detail about the actual information vs just numbers
A simple way to key a hub to a shaft is put the hub on the shaft and then drill a hole between the hub and the shaft along the length of the shaft so in the end you’ve got half the hole following the length of the shaft and the other half following the inside of the hub front to back thread that hole and put a set screw in that it’s just basically a simple threaded key I think it would work in your situation
😁👍 how my rotary valve is fixed on my "old" engine.
@@2STROKESTUFFING WHAT?!?? Are you seeing somebody stole my idea lol yeah it works good I’ve done it on a couple things it also makes it handy for adjusting the alignment
Pretty sure you are spot on about the reed petal breaking at full load and very high rpm. I have heard that sound before when i compressor charged my enduro 50(80). The pitch of the sound is very distinctive indeed. Like a high tone ping.
Lovely camera work this time around. Can really see the progress in your productions, Soft and pleasant audio is a must for me and is MUCH loved. This monster of a motor will surely be bonus to have in a landspeed record bike. Hats off to you good sir.
P.S.
When you swear in you native language it is beautiful
I wish I had something in my life that I felt that passionate about. And that I could afford to accomplish.
Hope you find it😁
had to cancel sleeping and i do not regret it, by far and away my favorite channel. watching you innovate is truly the highest form of entertainment. LYSM
😁👍 Thanks!
Bud I don't think there are any spikes. My friend here in Arizona has a 50cc ATC and we've been following you for years now and using your ideas. Now he is pushing 41hp on his yzinger 50cc 3wheeler it's insane. So keep up the good work. We love your material
To secure the trigger wheel you could drill a hole half and half into the wheel and shaft then drive a roll pin in, I've done this on v8's when fitting a supercharger driven by belt of the harmonic balancer
Very cool stuff. I have a ktm 150xc and the sounds of a small 2 stroke screaming away warms my heart. Thanks for making this video series.
The speed in which I could mow my grass would be out of this world 🤣🤣💪🏼
i have said it on instagram to, but the PK50/Vespa Smallframe gearbox is a dogbox meant to hold NM's and it is really simple and a ton of aftermarket stuff
It is also oparated with 2 cables witch give's you alot of freedom with engine placement
Your videos are amazing. I've always had an affinity for 2strokes and for cameras/video, you magically seem to merge those two loves together :) Thanks, loving your style!!
NICE, now we are getting somewhere very fun and exciting, thanks!
Great progress! However, as much as I'd love to believe you're getting potentially 30 horsepower from 50cc capacity (boosted or not) it's a big pill to swallow. You need to take an engine with known output and test it on your dyno to make sure your dyno is accurate. It would be a shame to find out your 30 horsepower is only 15 or something.
While you are not wrong on the need to verify the dyno operation it would be rare for an engine to produce exactly the horsepower that it is rated for as atmospheric pressure, temperature, and humidity would all play a role. So best case scenario is that testing a known engine would only confirm that the dyno is ballpark correct.
On the flip side of the argument, the dyno load cell and software is known science. He has set it up and done the math. This isn't new technology and I think he's set it up right.
My money is on the 30HP although it would be nice to have confirmation, 3rd party dyno after installed in the landspeed bike!
Well the easiest way to test it is to buy 30 horses and tie them onto the dyno.
@@T3ddyRuxp1n yes you are correct... the dyno is calibrated in a way that keeps it at a set standard using measuring tools that are exclusively made for this purpose. Running a "known engine" is about as backyard scrap mechanic as you can get, it would only set to throw off his certified and standardized calibration.
this is an experienced engineer we are looking at, here and i bet you would look up on youtube for a guide on how to make a sock puppet, if you wanted to make one... coz you don't know shit lol
It would be easiest to use a 5 horsepower industrial electric motor connected directly to a 240v Main outlet and you would know your base output...
Best show on RUclips.....excellent job.... loving it...👍👍👍👍👍👍
Thanks!
Så jäkla rolig kanal, håller själv inte på med något 50cc alls men ändå roligt att se hur det går med dina tokiga byggen 👍😀
You Swedes are known to build crazy good biks. Love the Husaberg FE motocycels. :D
Hi Alex! About reed issue I would like to suggest you some soutions. In order to reduce deformation of the bridges and petals due to the increasing blowdown back pressure, you could use three petals and two bridges on each side of the cage. Narrower petals have less area, so the applied force to the bridge will be reduced. To avoid bending fatige you should change bridges to vertical walls or splitters, linking both sides of the “V” cage. Due to the pressure and temperature conditions, the suitable material for reed is steel, the same used for reed valves in pulsejet engines.
this is the most epic part of your journey. congratz man
What a cool channel.
I do a lot of experimenting on my Honda FL350 engines as well so this channel is really interesting to me.
Looks like my 25 hp prediction has been destroyed just like those reeds.
The only thing I don't like about metal reeds is that they will destroy the engine when one breaks off.
Great work Alex.
Awesome result mate! Sounds tough as. Just a thought, given the huge amount of pressure the reed valves are seeing at high timing, it may be a good idea to slightly increase the area of the exhaust hole in the rotary valve (increase the duration of the exhaust port opening time) to allow the engine to breathe a bit better. This should decrease the peak pressure that the reed valves are seeing and may help with longevity in addition to the other reed valve mods you are going to do.
Thanks! Yes, think the exhaust is getting too restrictive. I'll see what I can do within the cylinder as it is.
I've been watching your videos for years. Your advancement lately has been impressive.
I’ve been waiting patiently for years for this video.
For the gear cases you can order any size you want online with or with out seals or if you make you own cases you cab put your own external seals
Really interesting how you grasp moving forward, thanks for sharing
Suzuki RGV has Cassette gearbox.
The Australian/Euro spec Bikes have these gear ratios 4th 1.045:1, with 5th .916:1 and 6th .840:1 overdrive gear ratios.
The Japanese spec has these gear ratios 4th 1.090:1, 5th gear 1:1 and 6th gear .925:1 overdrive.
1st 2nd 3rd are both the same. I changed to a Japanese spec box for my Land speed RGV because the high speed gears were closer together.
(Just a thought, not a fan of this aspect ratio, it cuts off too much height, as in the you and the engine, while adding just background on the sides)
Love your channel!
You can think of running shorter intake duration which will reduce the risk of backfire, since you are able to run higher boost pressure, therefore you can hold the cylinder charge amount constant! When intake durations are low enough and charge pressure will be high enough, the engine should perform well without the intake reeds! Try it - break it -repeat it!
Hey Alex. I’m not going to suggest any of my opinions, because it looks like you’re going to figure it out intricately. Your cinematography is also very captivating now. Good job!
You could design rotary valves to replace the reed valves, it would certain complicate things a lot … thinking of complicating things, you could make the rotary valves with variable timing 👍
Thanks for the video. Well done. And no holed pistons !
Love the way the channel has headed since full time commitment! The humour, varied build content and the "just enough camera Geek" input makes things entertaining and informative. For me it's especially interesting since I have been riding and fixing 2 strokes since before ..... Well let's say a long time! Lol . Gutted when over here in UK sales banned but new tech may see a return to that manic powerband grin the first time you threw a leg over a 350 LC Yamaha ! That's when things really took off after a decade of capable air cooled strokers 👍
you can get a polini reed sheet where you cut out the reed, i did this on my ported aprillia rs50, if you cut it as one big square it gets a vetter seal.
im not sure if the engine got more horsepower because of stronger reeds or fresh reeds but it works.
i hav some spare if you know the thickness.
Your content just keeps getting better and better. Very excited to watch you continue to grow!
Seeing how you incorporate a standalone transmission to this engine will be a lot of fun to watch.
Wow you are learning a lot and making more power. This is what testing is all about. To learn what works and what doesn't. Great video!!
I was always wondering if the reeds would hold the boost. I originally thought back then "why didn't he do a rotary intake design as well?". But you showed that it worked. I'm sure your design is pushing the extremes for a reed valve, even if you had a tougher one. I beleive steel reeds may deform on you from the heat. Can't wait to see more! This is a win in my books. Something has been learned! Good luck dude!
This is starting to be really fun!!! 30hp is like a small old car that are really heavy and big motor. 50cc and 30hp is awsome!!! Keep up the good work!
Super cool. Under the breaking part should be a hero music tune. Like the Rocky tune. Not a sad loss tune. This is the path to success!
The Keonisigg Jesko has the highest per litre output at 313.6hp/litre. Even at 20hp output your engine is developing 400hp/litre, at 30hp output it equates to 600hp/litre. Insane numbers. 2 strokes eh? Keep going man.
If you're talking about forced induction then 600hp/ litre wouldn't be close to a record. But still a lot of development to go.
2 stroke engines gets two bangs for every revolution (kind of like a wankel), so it's more like on par with the Jesko.
That said, it will be fun to see how much more can be squeezed out of it, it's already crazy enough.
I love your videos Look forward to seeing them. You are very smart and funny. The camera shots and editing are great. Keep up the great work. Blessed Be
Thanks man!
Try carbon fiber petals and a bridge in the frame to a give more support. So use 4 on each cage instead of 2. Just a thought! Love your videos!!
Two stroke legend here
lifes not about wins and losses, one and zeros. its about doing. to fail doesnt mean your a failure, your still a winner just by doing. so dont listen to trolls. they are not winning at life. you are, simply by being a doer.
This is awsome....30 hp amazing, good job 2SS!! Thank you!!
Nice aprilla I have one it's a 125cc but has the 250cc aprilla engine in it my favourite bike it's on log book as 125cc to so can ride it on cbt lol
This is the only channel i need to see every new video. Also nice to see you make every time better videos and having fun by doing this. Impressive what you are doing.
Look to Mercury outboards for steel reeds & possibly the older Chrysler/Force for large reed blocks that flow well.
You really should try plumbing the waste gate outlet into the intake between the carb and the supercharger, that would save on alot of un burnt fuel, and would most likely make the air fuel ratio more stable
These are the sweetest numbers that I have seen on you tube !
Awesome! I am very excited to see more of this coming.😃😃
It’s depending if you’re dyno is calibrated!
It’s also the way you testing, directly on you’re gearshaft or on you’re wheel, on you’re gear I believe you’re 30hp but in the end on you’re wheel the horses are eating then it depend of the tirepressure and weight of driver!
The inlet you use is okay it gives a better flow of you’re fuel but I believe with rotating inlet you get more power in the top!
Rotating inlet they used in the ‘70-‘80 already, in that time kreidler van Veen was the most powerful, it drove once 153km/h if I can’t remember but I believe they had around 25hp
All I can say is good luck on cutting it up it took me over two-and-a-half years to figure out how to put one on my go-kart
Yeah, intimidating task.
I have Boyesen 2 piece metal reeds in my RZ350, they work great, just like your engine Alex
Grateful to be on this journey situation with you.
I love getting to be a part of this journey. Absolutely fascinating work! Love your videos, keep it up!
Yes I took a 350 blown motor took all the internals out and use the transmission only
I think that because you don't have a central bridge in the reed cage the reeds are collapsing into the cage, this will cause them to bend in a direction that they are not designed to bend in, they end up breaking because of this!
Foot pedal for the brake or a handlebar and twist throttle and hand brake to control pwm to the magnets
You're making history in the 2 stroke universe !!! I can't wait to have an engine like this in my motorized bike !!!
My son raced MX for 10+ years. Had excellent results with Carbon Tech reeds. No failures.
Happy days!! I so hope you are seeing 30hp!
For mounting pulleys to the shafts look at Trantorque bushings. Or, if there is not room, copy the taperlock idea at a smaller scale.
We mounted our Robotwars sprockets with Trantorque and they gave no trouble at all, whereas nearly all other competitors had problems.
They hold very tightly and allow for angular adjustment.
Been noticing a lot of blue undertone. I know u like the old fashioned stuff. Different touch. Great vid as usual
Yes! Holy crap, if the reeds simply failed then there is still more boost coming up! Hope the internals are okay though. If they are, hope they like some extra horsepower still. Seeing the high torque numbers though, for such a small engine (and crankshaft etc, maybe you'd be better off tuning boost into higher RPMs? If that fails though, it would be even more spectacular.
Yeah, porting aswell is an unknown on boost, should in theory be simmilar but who knows, leaning out and even more ignition migth send it upwards.. with that torque that low on low boost inagine what it could do at 16k with everything maxed out😳
@@berjohansen In theory a stock cast head is better for boost due to golfball effect of surface temp.
@@berjohansen In theory a stock cast head is better for boost due to golfball effect of surface temp.
@@berjohansen oh wow, I just skipped thinking about the timing. At his earlier videos I thought the exhaust needed to be bigger/longer, but we'll see (:
@@Touwtje could be exhaust aswell thats what makes this so fun and interresting, who knows what does what
trick of the trade is to drill the set screw out use a bit just under the size of the hole
OMG, this is more exciting than anything on TV!
"Its physics, math and engineering. Machine it, draft it, build it, test it, break it" - Mike Patey. You sir, are advancing the world!
Also was there a nod to PFI speed? I do love this channel and your approach to things!!
Matts @ the Workshop, crying into his coffee cup right now. 😭😆
The editing of these videos really is top notch, nice work! Married with two-stroke nerdiness is great 👌🏻
Shame youtube sees fit to put two full length ads in this video though, unless that’s deliberate?
Thanks! I have no control over the ads, sorry.
@@2STROKESTUFFING no worries, I’ll keep watching, love the content!
@@JL-zl6hj Brit guy here! i watch youtube on a pc (chrome with ad block etc) and i get no ads at all. i would hate having that bullshit on every vid i watch
@@levitated-pit totally! Brit here too, I use adblock on the pc but usually get a first look on my phone, so have to submit to the bs ads. Time to give up on that idea I reckon
I just love seeing every new video on this engine keep up the work man
Mount reeds on a silicon bed...or machine the whole thing out of rubber. That might stop the harmonic destruction. Works on my sax reed and my old two stroke bikes and boat motors. Rubber Shore grades 20-25 might work. Rubber blocks can be sourced from farm supply- or specialty-stores.
Minted. I do love this show and to think you are possibly getting that sort of power out of such a small capacity engine blows my mind. In comparison my Royal Enfield Continental GT has a Single cylinder 4 stroke engine and it puts out about 29.1 bhp and 44 Nm (ft-lbs) it is a 535cc, so well done chap Go for it give us more.
The Aprilia takes me mate, the older ones and cagiva mito evo 2's, awesome 👌
Love your work.
Love hearing that little ripper sing!
Well chuffed for U chap, 30 brake is not too be sniffed at with a homemade 50cc 👍✌️🇬🇧
Keep getting better and better. Very promising both production and engineering. Love it.
Outstanding!
Thank you as always
-CY Castor
at this point my knowledge of what is happening has ran out im just here for the prretty videos at this point hahah, 30hp is naughty from a 50cc. so excited for ya been a long time in the making
I once rode a 25hp 50cc racing scooter. It wheelied every gear, you couldn't run it off throttle and was generally un-rideable after coming from insanely fast litrebikes. Fun though..
The BF 50cc would be SO BADASS on the Aprilia RS🔥🔥🔥 It actually crossed my mind awhile back in the early stages of your BF shenanigans. Love the content!!
very exciting mate! cant wait for the next episode
Alex, I wondered whether you had considered taking the crankshaft out
of the g'box doner engine and fitting a counter shaft in it's place.Then perhaps a primary chain from the brute force engine too a sprocket on the alternator side.
Headless setscrews were originally invented as a safety measure. Back in the days of line shaft powered machines in factories, they initially used square headed set screws that could be tightened with a spanner. Of course putting guards on machines wasn't a thing back then, so many people got their clothes caught on the projecting heads of the screws and were pulled into the machines. Headless setscrews or grub screws were created to prevent this.
Headless or not, setscrews are pretty bad at holding on to the shaft unless the shaft is softer than the screw- the point of the screw digs into the shaft and leaves a dent that forms the torque transmitting surface. You'll have way better results with a clamp style hub.
Your doing so great maybe try making your own stainless steel read valves and I think a heavier flywheel would really help you out on the inertia stalling
Very entertaining my friend thank you this is getting good
I’m just amazed to see how much power you’re managing to pull out of that little 50 mL can’t wait till the next one
damn we're here making 30hp on a 50cc. I gotta give it to you I thought it would never happen but look at you now blowing reed valves from the pressure good job!
All right! You are back at your best! Nice to see the engine spark to life with promising results! Keep it up man!
Mate just wanna say congratulations on what you have achieved.