*Quick Update* - Measuring Boost the CORRECT Way!

17. jan.. 2021
148 436 Ganger

I was so excited to see that it was making real boost (low though) that I had to make this really quick video. It's my style of posting videos, it's just genuine excitement. The fact that the S/C made some boost doesn't mean that the engine is more powerful. It means that it produces pressure above the vaccum pressure of the engine, which is pretty good news. From this point we can start improving the overall performance.
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Kommentarer
  • I would recommend using a velocity stack for the supercharger to let more air in

    C&M FanC&M Fan23 dager siden
  • how many baby horsepower is this?

    PovittoPovittoMåned siden
  • At least matching standard atmospheric pressure is better than no boost at all. If anything, it's proof it's actually working. Would be really cool if you had a mini dyno lol

    GregGregMåned siden
  • Wheres the stutututu

    The WaffleThe Waffle2 måneder siden
  • Can u actually make a real turbo that isn’t belt driven? Just for comparison? I know it would take building a exhaust manifold and stuff but I think it would be sweet!

    JUSTIN MCNEILLJUSTIN MCNEILL2 måneder siden
  • hey johnny! is it possible to add a mini "blow off valve"? would be super cool! even just for fun, im not sure how or if it would effect performance

    TheParaduckyTheParaducky2 måneder siden
  • @JohnnyQ90 This is the kind of creativity you should look for "i was so excited i had to make a video" keep going man more videos more views more money = a living. This channel could be a job for you...

    Surround The WorldSurround The World2 måneder siden
  • You need an intake fan leading to the impeller. The scale of the supercharger is low enough that it's impeding airflow and efficiency.

    WillWill2 måneder siden
  • Hey, have you ever considered making a micro screw or roots type supercharger? I think that would be a cool idea. The whine of the micro supercharger would be sick!

    Sled_NeckX99Sled_NeckX992 måneder siden
  • I think the problem is that you are losing more HP because of that gearbox since you need more force or power in order to convert it to speed of the rotation of impeller... but that speed is not coping up to provide more HP to the engine in order to replace the borrowed HP... if your procharger (yup centrifugal supercharger) takes 1HP in order for it to function it must provide more HP let's say 2 HP so that subtracted by 1HP due to the borrowed HP so you have 1HP gain. Try replacing it with planetary gears noworld.info/video/video/2meqnsmYl9qpr5Y.html

    Funny Clips FirstFunny Clips First2 måneder siden
  • Probably put the gear box back so you can build more boost with less rpm just try it end it will be ok

    George a233George a2332 måneder siden
  • Try making a 2 cylinder petrol engine

    Gusti AhmadGusti Ahmad2 måneder siden
  • How much does this engine cost ?🤔I want to buy one

    ايثان وسليايثان وسلي2 måneder siden
  • Hey bro do Toyan have injection engine?

    ILikeMuscleCarILikeMuscleCar2 måneder siden
  • .6 psi obviously is very low. I believe the supercharger is taking more power from the engine then it can add. I think this supercharger needs to be spinning at 300,000RPM to have any meaningful boost. Great to see this type of work though very interesting.

    CliveClive2 måneder siden
  • Know anti lag system 😁💥

    Cemal BozkurtCemal Bozkurt2 måneder siden
  • and now we have powerloss :D you should make the supercharger spin like 160krpm and make it littlebit bigger

    REBASSEDREBASSED2 måneder siden
  • I've seen your videos and there is something missing... you should custom build transmissions for the engines on your channel. Just a thought.

    Suspension SatisfactionSuspension Satisfaction2 måneder siden
  • Bro why not ratio for example 1:5?

    Mexican racingMexican racing2 måneder siden
  • i dont know how i am here... but when i see the boosting hit the first 0.6psi... i immedietly hit subsbscribe button... thats my story as one of your subscriber

    kongkangankongkangan2 måneder siden
  • Don't you need a load to see full boost?

    PreprotoPreproto2 måneder siden
  • Make a small radiator on it then buy a full metal centaurion rc tank from armortek and you'll have one of the first costumize rc tank with a miniature working engine

    Sly CarlSly Carl2 måneder siden
  • Next, make a diverter valve for it

    Azzamuddin MuhammadAzzamuddin Muhammad2 måneder siden
  • Another improvement could be to connect compressor outlet to carburetor instead of exhaust. This ensures the right amount of pressure within fuel proportional to boost pressure.

    Olaf BerendOlaf Berend2 måneder siden
  • Put the engine under load, see if it makes a difference

    A NoniemA Noniem2 måneder siden
  • What about robin Williams?

    Takumi GamingTakumi Gaming2 måneder siden
  • Wouldn’t it make more boost with a load on it? You can’t built a lot of boost in a vehicle in neutral.

    Matt OreyMatt Orey2 måneder siden
  • I can't wait to see the next vídeo!!

    Alex JuniorAlex Junior2 måneder siden
  • Where the 13B? i waiting it.....

    Dimas RiadiDimas Riadi2 måneder siden
  • COX .049 Piston and cylinders are available at low cost today, would you consider making an inline 6 cylinder engine with them?

    J KJ K2 måneder siden
  • ~20mmHG..thats inner eyeball pressure

    weirdmeister inc.weirdmeister inc.2 måneder siden
  • ??? The engine should have negative pressure at idle engine speed. Positive pressure at idle speed? I think it means fuel is lean at the moment.

    이승우이승우2 måneder siden
  • Just a suggestion. Add a load, for example a generator with a rheostat, then you will see if superchanger gives any effects or not ...

    Малик ШамсутдиновМалик Шамсутдинов2 måneder siden
  • Wow. Really impressive. Is this the keychain metal version? Can anyone answer?

    Colossal BigShotColossal BigShot2 måneder siden
    • Never mind.. I see this is the one he made.

      Colossal BigShotColossal BigShot2 måneder siden
  • how much HP does it make?

    joshua rusholdjoshua rushold2 måneder siden
  • Dude. Such a bad ass set up. How you gonna get it to be more snappy on the throttle?

    Larry TemenLarry Temen2 måneder siden
  • add a turbo to a normal intake, add a sealed supercharge with a fucking big gear like 14 inchs to the turbo, lets see how it will be devil

    iFlyiFly2 måneder siden
  • This serves no purpose as you cannot actively change the fuel/air mixture while you force air through a carburetor... the carb has to be on the inlet of the supercharger

    Richard BrawnerRichard Brawner2 måneder siden
  • Still not measuring in the right place. They call it manifold pressure for a reason. Pressure/vacuum should be read between the throttle blade and the cylinder head (the manifold).

    clawtlrclawtlr2 måneder siden
  • i say its time to go straight twin turbo...

    JAMMIN DESIGNSJAMMIN DESIGNS2 måneder siden
  • To be honest I'm not sure if this engine running such a small supercharger is gonna run it properly anyway. I would look into making a bigger electric supercharger run by a big R/C engine with tons of torque and high rpm, something substantial from a drone perhaps.

    TomTomazackTomTomazack2 måneder siden
  • Just wish you talked so we can listen, instead of read. Even a thick accent would be preferable.

    DeepPastryDeepPastry2 måneder siden
  • I'm sure you already know this but to see bigger boost numbers, you'll need to put a load on the engine to make it do some work. I can't wait to see what you have planned next

    bull winklebull winkle2 måneder siden
  • i think you should make another build with bmw m3 gtr body side exhaust

    SuperJerrySuperJerry2 måneder siden
  • I love that its actually making boost into the engine. I wanna see the supercharger on the rotary after you make the hardened shaft

    dan stotlerdan stotler2 måneder siden
  • So are you sponsored by Toyan/ Yamix?

    Gentry OswaltGentry Oswalt2 måneder siden
  • Ελα ρε μαστοραα

    Giorgos KatsigiannisGiorgos Katsigiannis3 måneder siden
  • have you tried running off compressed air?

    cfabercfaber3 måneder siden
  • you need to make it 2 stage to get some proper boost

    NothingiamjustsomekindofdudeNothingiamjustsomekindofdude3 måneder siden
  • screw the supercharger, go turbo :P

    FuchteljacksonFuchteljackson3 måneder siden
  • It's only going to show much boost with no load on the engine. You need to create some type of load on the engine to make it "build" boost. It works the same way with full scale engines and forced induction.

    kevin haydenkevin hayden3 måneder siden
  • To make seem more or run better add a air to water intercooler, hopefully they make something small, more condensed air and more fuel equals more powa bb, at least make it more efficient, just a idea

    Julio GuzmanJulio Guzman3 måneder siden
  • Rambling on... Scaling up or down equipment handling gases is complicated.

    nilsthemisnilsthemis3 måneder siden
  • very good project

    ömer günaydınömer günaydın3 måneder siden
  • Getting better! Wonder how the S/C flow rate is calculated and at what rpm such a small unit really gives boost. Also wondering about the clearance between housing and impeller blades. Finally a small note, hope I'm not offending, att least low speed impellers actually turns the other way than you expect. Have had me fooled.

    nilsthemisnilsthemis3 måneder siden
  • there ya go

    Conan RuisiConan Ruisi3 måneder siden
  • This is awesome looking forward to the next installment

    Hogab HogabHogab Hogab3 måneder siden
  • I have an idea, how about removing the dummy cam wheel? That engine is just a single cam disguised as a twin cam, removing the dummy cam wheel would eliminate at least a small bit of parasitic drain, making it a smoother and potentially more powerful motor.

    I am not JonI am not Jon3 måneder siden
  • nice!!! can you vape or something like that in front of it to see it suck air?!?!?!

    LittleJimLittleJim3 måneder siden
  • I would love to hear it with an exhaust to hear that mini pro charger go!

    Big BoyBig Boy3 måneder siden
  • Hell yeah man this is awesome

    tommy atwelltommy atwell3 måneder siden
  • Use the exhaust to pressurize the tank? Shouldn't "rob" pressure from the forced induction side.

    Michael GardnerMichael Gardner3 måneder siden
  • That's cool I wonder if a turbo 2ould work on one

    Ulysses DowningUlysses Downing3 måneder siden
  • Give it a little meth probs boost to a single pound 😂

    Gully RailfaningGully Railfaning3 måneder siden
  • Johnny,been watching your videos for a long time.What I like most is you always make us feel included by using we and not I when describing your projects. Thanks man.

    Kyzor-SosayKyzor-Sosay3 måneder siden
  • EPIC!

    SnopFopSnopFop3 måneder siden
  • One question does it go stutututu??

    S HS H3 måneder siden
  • johnny... your video COMPLETES me. thank you for posting!

    JigsawJigsaw3 måneder siden
  • I think that honestly for a centrifugal supercharger of this size you need to have it spin way way faster to really see meaningful boost. Since its basically just a turbo being powered by a pulley, you probably need alot more speed. Even full size turbos can spin at 150k rpm or more.

    OLEMINER49EROLEMINER49ER3 måneder siden
  • I believe that the fuel pressure is lower than the measured boost with your setup. You're basically trying to overcome the boost with it's own pressure.

    Ville LiskiVille Liski3 måneder siden
  • Looking forward to when this gets 2-step, anti-lag and boost-by-gear.

    Mikkel NielsenMikkel Nielsen3 måneder siden
  • Did you try to presure the fuel inlet from the exhaust ?

    Ismael CanalesIsmael Canales3 måneder siden
  • Нихуя не понятно, но очень интересно

    Олег РоменскийОлег Роменский3 måneder siden
  • maybe if the carburetor was before the turbo pick up better

    Szymon GSzymon G3 måneder siden
  • So cool. Cant wait until you put it in a car.

    Henrik NordengHenrik Nordeng3 måneder siden
  • Bro just call me up next time! I was totally going to comment that on the previous video but I don't want to flood your Channel with comments. I also saw a few other mistakes you made with the fuel system.

    Warped PerceptionWarped Perception3 måneder siden
    • @Warped Perception Yeap. I've learned my lesson by using geared systems on this one. It's just terrible (too much drag). At least with the 1:10 and 1:17 overdrive gearing. For me it's pulleys all the way. I knew you were up to something and I'm very curious to see what. Can't wait!

      JohnnyQ90JohnnyQ903 måneder siden
    • @JohnnyQ90 haha... Well I just feel it's sorta taboo, however I'm glad you did this supercharger project before me, but I have been working on something. However the gear reduction is a bit difficult to do at this scale.

      Warped PerceptionWarped Perception3 måneder siden
    • Hey Matt, of course you can flood my channel with comments! Any suggestion/correction is highly appreciated ;)

      JohnnyQ90JohnnyQ903 måneder siden
  • Sir please make a video about how to make a petrol engine

    Puttarangaiah VPuttarangaiah V3 måneder siden
  • I'd love to see him put a blow off valve on there, make it sound ridiculous

    harris 72koljharris 72kolj3 måneder siden
  • Great build. I wonder with the slightly different density ratios at this scale, increasing the flywheel size could be an easy try. I'm sure you've at least thought of it, but I think you need to remove the charge fuel charge tube system all together and just use a standalone pump. If so, I think that could greatly help overall. That and or get rid of the silicone charge tube and go with something solid, just to see if expansion is a possible issue.

    nklvr24nklvr243 måneder siden
  • Put the carburator BEFORE of the supercharger!!!!

    Claudio VolberClaudio Volber3 måneder siden
  • Can´t you just put an one way velve on the fuel hose so the pressure cant push the fuel back to the tank and remove the tank pressure hose completely? i mean the air moving through the carburettor should create an venturi effect witch draws the fuel through the hose by creating an under pressure in the fuel hose. and btw to me it sounds a bit rich. pushing to much fuel in when creating an over pressure in the tank?

    Happy Trigger ManssonHappy Trigger Mansson3 måneder siden
  • The engine needs to under load to produce real meaningful boost. That tiny supercharger should be turning 150-200,000 or more rpm, lose the bearings and run bronze sleeve bushings. You may be able to get away with a drip oiling system for it, but a tiny oil pump would be better in the long run. The draw through should work much better but you might need a bigger carb to reach full potential... Just watch out for backfires, pressurized fuel and air mixture can turn parts into projectiles! Be safe!

    Cape Cod CNCCape Cod CNC3 måneder siden
  • Using boost pressure to the tank is a great easy way to create a boost reference fuel system, it’ll push fuel in direct relation to the amount of air the engine is receiving

    Dawson AngerDawson Anger3 måneder siden
  • Why not go turbo? It's more efficient. Less drag on the engine

    Tyler DeleringoTyler Deleringo3 måneder siden
  • Awesome and amazing

    Clockwork CalibrationsClockwork Calibrations3 måneder siden
  • Have you considered routing the crankcase vent into the bearing housing of the SC for lubrication? Of course you will need an exit nipple on the SC as well.

    K SK S3 måneder siden
  • I think if you coat the inlet in resin it will stop any leaks

    Alex yoAlex yo3 måneder siden
  • I'm still thinking about this tube for oressure to the gas tank coming from the supercharger instead of coming from the exaust. Isn't it consuming some of your boost?

    Rodrigo UltramariRodrigo Ultramari3 måneder siden
  • I would guess that you will need a larger exhaust to get the larger volume of air out of the engine also,

    Tom CrenshawTom Crenshaw3 måneder siden
  • You may find that you'll get a higher rpm from the charger if you create a secondary one and feed the exhaust through it to spin the drive shaft of the original cgarger. This system is used in full sized cars as the crank shaft can never create a high enough rpm for the charger and gearing is an annoying method it also adds the benefits of the charger being less complex. You have done an amazing job and should be very proud. Machining you own charger is a very complex and difficult task let alone instilling it and it working. Well done!!

    brad vidsbrad vids3 måneder siden
  • Yeahh this is what we call knowledges 😍thank you my friends

    Saiful AceSaiful Ace3 måneder siden
  • I pray you have a special RC build in mind for this very special engine

    Luke SorensonLuke Sorenson3 måneder siden
  • So now that you cam watch the boost curve, we see it's rising with rpm. If a larger diameter compressor wheel can't be installed & try angling the vanes so that it is closer to parallel with the volute. Also there is something to be said for staggering the vane height for more low end boost. Never stop building your dreams!

    What about BobWhat about Bob3 måneder siden
  • When you add the boost, you have to add fuel--- and it will make more power.

    calhollicalholli3 måneder siden
  • Now it only needs tiny dyno to measure how big difference does it make :D

    ReiwasReiwas3 måneder siden
  • Woow amazing

    Anang NAnang N3 måneder siden
  • Would love to see you make a slightly up scaled mini engine, not for an rc car or anything. Just to test your skills and play around with different induction types. Maybe slip in a nitros shot or 2. Would be much easier to fiddle with I think. Thanks for the videos mate, great distraction for the cluster fuck of a world we live in, I think a lot of people would agree. ❤️ from Australia 🇦🇺

    dyyldoesdyyldoes3 måneder siden
  • Do a turbo for the motor

    kai baileykai bailey3 måneder siden
  • 0,6 psi = 0,04 bar for anyone wondering :)

    MochiMochi3 måneder siden
  • So cool Johnny you mad scientist, I love your engineering mind/skills 🤘

    ShroomstaShroomsta3 måneder siden
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