Micro SUPERCHARGER on the TWIN Cylinder 4 Stroke Engine! - First impressions
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- Опубликовано: 1 янв 2021
- While I'm waiting for parts to arrive for the 4 cylinder 1/6 rc car, I decided to install my micro supercharger that I made almost 2 years ago. Of course I didn't have any expectations as in order to produce usable boost, it would need to spin at hundeds of thousands of rpm. Nevertheless, I tried with a rather small pulley (I could make a larger one but don't have a belt for that) and I got an engine that san't running very well. The dual carburetors don't help either. My plans are on the end of the video. Anyhing you can suggest is much appreciated.
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Yes finally the return of the charger
And happy new year to everyone reading this
Happy new year to you too.
Happy new year, and I see I'm not the only one who loves his charger videos :)
@Li Zhi-qiang - META I couldn't be more real
@@TypicalBas happy new year bud!
Happy New Year, Indeed! let us all thrive in whatever job/career/studies/hobbies/relationships/quests/projects we undertake!
Before judging or having suggestions for this guy. Let’s just appreciate he’s work and time he put into it. He creative af gj dude!
I can’t believe anybody telling this guy what to do. He was the first one with this motor and has created a lot of one off stuff.
I agree, this is pretty darn impressive.
My comment was only a suggestion, not a judgement. Please don’t jump to conclusions so easily. I’m not a hater, in fact I’m a fan and I love his creativity!
Commenting for the sake of platitudes.
@@bikerboy3k you’ve been noticed.
The amount of effort and knowledge it took to design and build this must have been insane.
not really, having the perfect aerodynamics at these sizes isnt that important, the diffrence is small
@Giuliano Skywalker well I don't personally own the equipment needed and I doubt my school or my boss would let me film in the workshop. Plus why would I? I've spend years learning these stuff go do it yourself, you'll learn much more than I could teach you in a video
All he did was add a turbo to the already built little engine
@@asmithii84 no no he not. A supercharger is driven by the crankshaft of an engine, usually connected with a belt, therefore requires engine power to run, while a turbocharger runs off exhaust gases created by the engine. You've been learned. :)
@@giorgosdim9845 mhhh I think the knowledge Is important to make a turbine.. I had a big exam only in the projectation of pump and turbine ..a loro of math , physics , physics of heat ecc ..
Amazing work from one of my favorite youtubers! I just wish there was a way to measure the power output on such a small engine. I wonder how much extra power it makes! Anyway, keep the content coming! Happy new year to ya.
Jonny Don't be scared, increase that rpm to the f****ng stratosphere, then you will see results, I was working on a similar thing a few weeks ago. AWESOME JOB AS ALWAYS MAN ❤️....happy new year!.
Now he needs to make a bigger cam that will work with a supercharger.
well its actually pro-charged, its not a pro-charger, is a supercharger and I know that know so I thank you people for telling me that.
@@raydoesaudiostuff yes he's very talented he can totally do it.
Inject nitrous
@@damnthiccassboye7138 lmao... I wish Johnny would come over to my garage one of these days, I think it would be a lot of fun!
I was watching the smoke coming out of the exhaust when you were revving it, when it gets to the higher RPM, the smoke decreases significantly, indicating a lean condition. I've raced nitro buggies for many years and this is one of the traits that I watch for during operation, to determine if the tune is correct.
I couldn't tell if the carbs on this engine have a low speed and high speed needle, but you are definitely running out of fuel under full throttle, when the engine revs up.
You can try richening both needles 1/2 to 1 full turn, and see if that helps....if there are no low speed needles, then it may become too rich to idle properly. The pull through carb that you showed at the end should alleviate the problem, assuming that it's large enough for this engine.
I would agree with you! The carb adjustments make a big difference. I would also recommend if possible adjusting the ignition timing. This is because under boost the fuel air mixture in the engine burn quicker which could be potentially fighting the piston downward before it hits top dead center.
You may be right. There is the fuel pressure entering the carb too, HAS to be over the total boost pressure otherwise, fuel starvation will occur...
I was thinking the same thing since I know that with all that extra air getting into the engine you need to compensate by adding more fuel. If he was using the same carb as before that could be an issue if the jets aren't large enough
They do have LSN adjustments....standard TN carbs...but the problem is more that he's running them blow-through than it is anything else. No amount of carb twiddling is ever going to get it to run right; these carbs just can not operate properly under boost conditions.
@@evansallee603 Ignition timing is fully automatic with these engines, set by nitro %, compression, and glow plug heat range. It will advance itself further forward as it needs to.
Who else wanna see a rc car build with this
Holy shit
Are boosted rc cars a thing 🤣
Boosted pulls on a rc car, one pebble and and the turbo is done for
my thoughts exactly
For real. I was saying to myself "That's a whole ass R/C Engine* 🤣🤣
Your original videos on the super charger are what got me into machining and mechanical engineering. It's crazy seeing your videos pop back up on my feed. Good to see you are doing well!
im a mechanical engineer (30 years and counting) and his videos made me angry. very little engineering and mostly machining. engineers make things for specific reasons.
Would it be an idea to put the carburators before the supercharger? That way the supercharger "sucks" the air/fuel mixture through the carburator, so you won't need to worry about backpressure etc.
Yeap, that's the draw through setup that I'm considering doing next ;)
You Here?
Thats what he means at 11:13, it's called a draw through setup
As he said, the mixture leaning out is probably the result of the current carb setup. Whenever the supercharger delivers any kind of boost, only in high speeds, the pressure will reduce the fuel flow. And this is highly unlinear, exhaust backpressure could work but is hard to adjust. The only quick solution is carbs upstream of the charger.
With blow through you Need to add the Boost on the fuel pressure plus 0.3bar, there are special valves for it for real Cars. Problem will be finding them in this size.
One Good side effect of the Draw through would be that the supercharger gets cooling/lubrication for longer runs. In This case This would be the way to go
I was today years old when i found out titanium can ignite!
All metals can burn, some with some very impressive results. Thermite and solid rocket motors use aluminum.
Try with powdered magnesium..
And when you do, make sure to lave Lots of space around and keep a safe distance...
@@JonLinde and preferably don’t look at it
@@JonLinde even regular aluminum powder can burn, setting it off is not as easy but when it reaches that "supernova" point it glows incredibly bright with a very slow burn.
@@rajinkajin7293 And Iron Oxide I (rust powder).
This is pure lockdown therapy watching these parts be produced in such micro detail.....Brilliant!
You may want to add a pressure tap before and after the carb to measure static pressure. It's pretty easy to use some clear tubing to make a water monometer to operate at those pressures. You can do differential pressure too with that setup. Might help you determine boost issues at different RPM.
omg finally we get to see this thing in action
For real I've been waiting for so long! Looks great can't wait to see you push the limits
JohnnyQ90's videos: _Peace and tranquility_
PocketNC: *BZZZZZZ BRRRRRR ZZZZZZZZ BZZZ*
JohnnyQ90's videos: Peace and tranquility
PocketNC: BZZZZZZ BRRRRRR ZZZZZZZZ BZZZ
Running engines: PUHPUHPUPUHPUHPUHPUHBBBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAWWAAAWAAAAAWAAAAAAAWWWAAAAAAA
At first, I was wondering how the exhaust in that little engine would be able to adequately spin the comparably massive turbine. Then I saw the belt and was like "ooooohhhhhhhh...supercharger. Like it says in the title." I see you improved the gearing in a later video. This is great stuff!
Just found this channel and I can already see me spending quite a bit of time watching these videos…. I have an engineering background and served an apprenticeship… I am always fascinated and impressed with the things some people achieve just for fun and to see if they can! Bravo Sir 👌
Finally we get to see what the supercharger will do 😭🥺
Pro charger
@@bradenclifton45 yeah everyone’s calling it a super charger 😂 it’s not a supercharger with 2 rotating rotors and 6 apex seals spinning off the crank shaft 😂, it’s not a turbo being drivin by exhaust preasure 😂, god damit hahahahaha
@@bradenclifton45 stop with that procharger nonsense. You're the second person I've seen on here correcting someone that said supercharged. This is a supercharger. Period. Procharger® is a brand name. That's like correcting someone who said tissue, and telling them it's Kleenex®.
@@Thatcressidaguy nope. It's called a centrifugal SUPERCHARGER. The Roots style supercharger isn't the only type of supercharger. Derp.
@@xenonram shhiiiiut up malaka, pro charger
And this folks, is the type of person who will help us get off this planet. Amazing!!!!
I think this is one of the best videos I’ve ever seen, that machining of the parts and the functionality is just so impressive this made my evening 😊thank for sharing that video!!!!!
I really like the idea man! Also good job, you are definitely skilled in the craft area! It’s amazing how many things you can do with an engine so small.
Your machine tools are awesome at a super high level, appreciate everything you do.. Thanks.. 👍
I would go draw through on the carburetor. you're going to save yourself a lot of trouble trying to deal with boost referencing the fuel pressure to the carburetors that way.
Draw through ruins bearings and reduces power. It's never worth it.
@@PredaFran for this application I highly doubt either one of those are actually going to be an issue. If he was going to be putting 10,000 mi a year on it maybe but this is just a toy and an experiment.
@@PredaFran Is that a matter of the fuel stripping grease from the bearings? Because for nitro engines it wouldn't be as much of a concern, since the fuel is a total loss lubricant.
@@TheBryce98 i forgot that he's running nitro with the engine, but yeah usually fuel washes the grease or dissolves it.
@@DoRC eh imo if you want all the way to make a nice supercharger from scratch i would try to utilize it to the best of its potential
That tiny flywheel puller is cool.
Wow! That is so awesome! Heck of a nice job building all those parts. Thanks for sharing.
A simple way to messure the power is to add a Brake with a (weight) scale. With that and the RPM you can calculate the power....
Warped Perception has done this
Would be pretty difficult as the engines is super small and its al little harder to calucate the friction if the brake which is very important for this type of measurement... i would put a high efficient electric motor to it and put one after an other a electrical consumer to it untill it starves
Uk
@@workshop.wizardry So just use the 2nd motor as a brake, measure the current and Bob's your Auntie. Friction is effectively removed from the equation.
Could you run a generator off of the engine and measure how much power is generated?
Titanium boggles my mind- I've known welders that worked with it and people use it at luminous temperature a lot. Cool to see it acted like a magnesium flare-up.
right? I *am* a welder and I've never seen that before
@@Gu1tarZer0 I think buddies said they were using a purge box. Thought about shielding gas for machining but not sure coolant is too messy. Just odd though, suppose the shavings are just like wood, splinters or thin spots will ignite with less effort.
Your design ability and use of CNC equipment is phenomenal I am amazed have a great day thank you for everything
That was a awesome video of the engine and the machining skills and parts that went into building it great job
Super cool, this guy is amazing at machining. Been watching for a long time, super excited on the wankel updates!
I hope he puts the Wankel in an RX-7 rc car
Same, Im watching him for years, and I get excited for every video he uploaded.
I agree and it also amazes me how much it costs for all this as well
I’d love to see more on how you get you dimension for your models in cad and how you manage to reference it all so it fits to how it should
Yea that’s what I was thinking first thing and access to machining tools
Seeing these rc engines being taken to this level is awesome.
Something about these videos brings me peace within my soul lol.
The supercharger FINALLY returns... i've honestly been waiting for this :D
For power readings there are two options, 1st you could use a brake that can rotate around its axis and use a load cell or other scale to keep it from rotating the force from the load cell or scale can then be multiplied by the distance to the axis to get the torque. 2nd option is using the engine to rev up a flywheel with a known inertia. Measuring how fast the flywheel accelerates can then be calculated to the power being put in to the flywheel
That or have it spin a small motor (using it as a DC generator) and use a potentiometer to vary the load on it and measure power output.
That’s really impressive how you did all this cool work by hand, great job! But are you thinking about putting that engine in like an RC car or something? That would be badass!
I wish I had a quarter of this mans machining skills and knowledge!!
The 2 Rotor engine needs something like this
*Μπράβο φίλε 👍*
I would be very happy if you saw my vids and remembered your old compressor project 😀 In fact I was inspired by you, when I started my 3D printed supercharger project. I also made a plastic Turbocharger a couple of weeks ago (video will be available soon) and it even made some boost, 19mbar lol 😂
Just to save you some time: swap the 2 small carbs with a bigger one, make some coper piping for intake and exhaust, and a draw through setup. Works great. Good luck!
Anthony.
P.S. you can use a sphygmomanometer gauge to measure a small pressure. This is what I did..
Опа, какие люди)
Έλληνας φίλε??
спасибо, что даришь нам контент)))
Здрассссс.. хотел написать спиздили у Alpha mods но он уже тут
Так и знал что ты тут будешь
Great work here @JohnnyQ90. Potentially a simple friction brake would be a good method for determining the power output. They are a very straight forward design and you are clearly more than competent to handle the design and manufacture.
Amazing! I am blown away by the possibilities of modern technology.
Pls make a roots style supercharger, like a 8-71 blower, that would be interesting to see miniatureized lol
Would be cool but probably not feasible, can’t make gears strong enough and small for it to be used as intended. Like what happened when this channel upgraded the gearbox on the last one it grenaded itself before even reaching its potential rpm; you gotta realize you are talking about moving parts the size of watch gears. Less then finger nail size
Look up an Aisin AMR300. That's about as small as they get and still usable.
@@wyatte123 l
@@CorruptInfinityOfficial i built something like that out of legos and not only it worked but grenaded my lego 4 speed :(
@@CorruptInfinityOfficial also check this video out. its my lego replica custom model running a small turbo from turbokyechains.com
ruclips.net/video/l2u6z6OwREA/видео.html&ab_channel=TreasureDowning
please use earbuds as my pcs mic isnt very good at picking up noise
11:18 Build yourself a scale size Dynamometer Johnny. *That* , in itself, will make for terrific content my friend! Thanks as always for the entertainment.👍
YES
bro your videos are the shit. i watch and have watched your content for a long time, and it’s always the exact type of shit i want to see. i love the work you put into it and i love your content, it’s so interesting and well filmed and i’m always so happy to see you post another video. i look forward to seeing what you end up doing with the supercharger man
Even tho I'm a fairly new subscriber I've watched a couple of his vids already and I'm amazed at the detail he puts into everything
Hi, awesome work! In order to measure power output, i would suggest driving a generator (permanent magnet dc motor). This allows to test the engine with a variable load, and to really measure net power output (volts x amps).
My thought as well though I would use one of the 3phase motors as they are designed for much more power. I suspect that this motor will output a large amount of power for its size in the super charged configuration. Amazed at your projects!
Happy new year. Draw through carb, bigger pully. Mini hydraulic dyno.
Amazing engineering! Great job man
,,,,,Yes finally the return of the charger
And happy new year to everyone reading this,,,,,,
I don't know how precise it would be but a miniature version of Warped Perceptions 3HP Dyno could work
Try a velocity stack for the feed into the compressor wheel it may be getting starved at high rpm
I have a centrifugal supercharger (rotrex) on my 1340 cc twin cam 16 valve motorcycle and found your micro version fascinating.
Love a charger 👍
Hey love the videos man they are very satisfying and I enjoy watching them..... No talking an confusing just pure Machining, could u please make a list of all the machines u use to make ur projects
I don’t know if this has been requested before but I’m kinda interested in a voice revealXD
id absolutely love a voice over just explaining what he’s doing and maybe even for n00bs like me why hes using specific tools. Love this channel!
Nah. Everyone does a voice over. I like the calmness of the videos. The projects are the stars here.
@@joshfoley8862 Agreed! Something so calming about the sounds of the lathe
Me too xD
Great to see that you are experimenting with force induction again ;)
To test the power output, why not use a brushless motor as a generator, a full bridge rectifier, and a serie of big resistor
This is my first through as well. Just need to properly calculate the losses in the diodes and in the motor. Then again if it is just A/B comparisons maybe the absolute power produced is not as important as relative difference. In other words have the changes made increased or reduced power output.
Make a motor mount on a short length of rails.
(20*20 alu v-slot extrusion?)
Let the motor pull some propellers and use a load cell to measure the pressure the propellers can generate.
@@JonLinde Good idea also, to get a simple power difference, but I think you meant traction instead of pressure.
The efficiency of this system must be known to get a valid number. Without this u can mesure the difference between two versions of this engine but not compare it to other numbers
Nice you looks like you know what you are doing trial and error is what it's all about, you are the man.
Detroit diesel was at this step in the 50s. They addressed it by adding a turbo that was able to compliment the mechanical compression of the sc at increased exhaust pressures. The result was a increased performance across the board, but was later proved redundant. If your able, the history and evolution of the m113 and its variants would interest you. On a side note, I was there to see the changes and what was necessary to get the cummins triple nickle to over 600 hp, fielded in the m2/3, m3a3 variants back in 2001. Those modifications were only able because of the steps your taking. This is Awesome, rock on!
Amazing!! Johnny you would like to see my homemade 1/5 49cc RC car!
Hey i subscribed
@@alexanderthorbrugge6489 thanks man :D
Cool car!
The Alpha Mod and Johnny Q90 collaboration
коллаб альфа модс и джонни Q90
@@ruchey да он в 30 минутах живет
this is super dope man congratulations
I have no doubt with your engineering skill. Amazing!
Need more fuel somehow on the top end leaning out on you brother
I don't know about all of you but I'm just here for SHATATATATA
Hahahaha 😂
shatatata
Love these small engines the work is incredible 👍
I was modeling with 3,5ccm off road cars (mostly picco, rb and os speed engines) for years and i'm pretty sure the engine runs rich in lower rpm's but leans out in the top end as the forced induction produces boost.
So lean it a bit in the lower end (small needle screw in the carb) and richen it up a bit in the upper end (big screw where the fuel nipple is located)
That engine would be amazing in rc car👍
Yars it would
It sounds like its leaning out, you could try running manifold pressure into the fuel tank and riching up the fuel mixture
this exactly, needs to have boost feeding the fuel tank not exhaust, that way the carbs will be back to their atmospheric pressure tuning
@@FaultyMusic No, you need more than just boost, other wise the carb, tank, and manifold are in equilibrium pressure... how's fuel supposed to flow like that. You could absolutely use manifold pressure for an external say electric fuel pump to bias the fuel pressure, but without an external pump it's useless.
This needs to be a draw through setup.
In order for that to work, you'd need 2 check valves with very low forward pressure. One tied into exhaust and one tied into the intake and y'd into the tank. The intake wont provide pressure at idle like exhaust will, and if the sc were to work, the exhaust wont provide the pressure that the boost can. Still sounds like irratic tank pressure to me tho.
First off, I'm amazed at your knowledge and ability to create everything from scratch. Wow!! How'd you get started and what tools/machines do you use? I've been into R/C cars since the mid 80's and am blown away at your creations.
Kitne ka mile ga ye
I don't know much about what your doing but very
impressive and cool mechanical skills! Thanks.
Great work, i am guessing you can put a DC motor as a load with a load resistor. This will let you measure watts once you account for the generator losses
MORE FUEL AT THE TOP WHEN THE BOOST CONES ON...!!!!
Best one ever..., just give it more fuel...!!!!
That is very impressive, you have tremendous talent.
Just nonchalantly let’s us know he MADE the most badass little pro charger by himself!!. You sir are so much smarter than me and that’s why I like your videos.
Warped Perception had a pretty sweet setup for testing his turbo's engines, I don't know if it would scale down politely tho
To measure the power. Make a heavy flywheel and measure the amount of time it takes to get to a set rpm.
Agree on the inertia dyno!
Problem with this idea is that you can calculate average but not peak.
@@freyja4954 true. Another option is to run a generater and add load until it stalls. The peak wattage would be your power.
@@freyja4954 it's possible to calculate the torque by the speed transient
I used similar tachometer in my garden tractor engines. I think they are pretty darn accurate
Awesome job looks great & works good too!
"AWESOME"
Impressive machining! I think you may need an electric pump and a regulator that senses intake pressure/vacuum in order to maintain proper mixture throughout the rpm range. It seems to be leaning out on top end despite the pressure tap off of the exhaust. Either that or a draw-thru system, and use a single larger carb on the supercharger inlet.😉👍
That's very nice. I wondered if something like a blower could be made for a little engine like that. Hope you get it all working well.
You are a talented engineer and fabricator.
Think the fuel pump pressure is too low once the engine reaches peak RPM’s? Just a thought. Nice work as usual!
The venturi effect from the negative pressure (vacuum) should be able to pull plenty enough fuel to feed that little guy... at least imho 😉
Make a miniature engine dyno based on an electric motor and variable load!
Electric motor turned genset, and find the output wattage with and without the supercharger installed. Should be simple enough to do because you're really just after how much it changes, not really a precise number.
Let's appreciate the time and effort to make this instead of criticizing.
That fireball with the titanium was awesome!
MORE FUEL! :D
Engine: I need a bit more fuel
Carburetor: YoU wAnT fUeL?! *Dumbs a shit ton of fuel in to the engine*
Yeah Mabye it needs more fuel because of the increased airflow or Mabye the procharger is limiting the airflow
A you tuber “warped perception “ came up with a reasonable engine torque measurement device. Check it out.
The scale is... a bit big...
Yeah, he actually comments sometimes. Lol.
@@doctordonutdude well I did make a smaller one, I just never used it in the videos
@@WarpedPerception he called you "a" youtuber !! thats insulting
@@mattio79 Yes that's true but Johnny can figure out how to scale it to his engines.
I want to see it in a cart!!! Loving the vids
That is three kinds of amazing! Well done.
Try and build a roots supercharger dor on of those small engines
Sounds like it chokes..... not getting enought fuel at high speed..?
Too much or too little. without a boost guage and fuel pressure guage no way to really tell for sure
@@K5BlazersforLife no need for gauge, need an exhaust gas temperature sensor (egt)
@@K5BlazersforLife YEah hard to tell, but I guess thin bcs when it revs up and chokes it stops smoking.. in the same way when he pinch the fuel line it revs up before it dies that indicates rich mixture... there is alot happening between low revs and high rev mixture and ignition so checking exhaust temp etc would be a good idea
Very true
@@ronnywestad4892 -in the same way when he pinch the fuel line it revs up before it dies that indicates rich mixture... , u mean LEAN mixture... anyway the missing of smoke at high rev mean that the mixture is lean
Awesome loved it. Great vid brother.
If you could make this, you could make anything. Great job!
I wish this had a full exhaust system and was inside a rc scale crawler our drift car!!💯💯💯 thanks for making this video bro
I'm amazed at this little thing has a turbo it's crazy
m8 your a true legend you make the coolest things
go on bro its awsome!! and do check its power after all and do a video on making a really supercharged rc car with everything u can add!!🤩🤩
This issues with it breaking up at high rpm can likely be fixed with a fuel pressure regulator, so that the fuel pressure stays the same relative to the boost pressure
That’s awesome excellent execution, sounds like she needs more fuel the air to fuel ratio is super lean at higher RPMs due to increased air flow from the centrifugal supercharged. That will eliminate the break up in RPMs at WOT. Good luck and would love to see another video on this.
Did you know that a turbocharger is actually a centrifugal supercharger? 😳
The valves are probably starting to float also I couldn't imagine the flow characteristics of the valves is very great
I just found this channel and you’re a damn good machinist