Superchargers 101 - Displacement, Boost, and Volumetric Efficiency

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КОМЕНТАРІ • 110

  • @nathankern9999
    @nathankern9999 6 років тому +43

    I love superchargers.

  • @johnwige2905
    @johnwige2905 4 роки тому +14

    Thank you, I really wanted to understand it's function and now I grasp it perfectly...its what happens when a turbine has unprotected relations with an air compressor.

  • @UltimatumDemon
    @UltimatumDemon 6 років тому +78

    Can you make a video on how to increase performance on a N/A?

    • @colinleder5683
      @colinleder5683 6 років тому +31

      change camshaft, header, exhaust, add cold air intake

    • @UltimatumDemon
      @UltimatumDemon 6 років тому +1

      @@colinleder5683
      Is camshaft a good thing when having a variable valve?

    • @colinleder5683
      @colinleder5683 6 років тому +4

      @@UltimatumDemon Cant help more im not a mechanic ;)

    • @catsawkotowaty9111
      @catsawkotowaty9111 6 років тому +10

      Pretty much dump more fuel (up to a point), then fiddle with ignition timing and compression(?) .Change camshaft. Also make sure things like air filter,egr, exhaust work properly. Source: Automation (game about building cars)

    • @drifter6934
      @drifter6934 6 років тому +2

      Internals

  • @1moderntalking1
    @1moderntalking1 4 роки тому +5

    Wow, the best supercharger info video ever- great graphics!! 👍

  • @mrtoyotatrd6126
    @mrtoyotatrd6126 6 років тому +1

    This just helped me figure out which pulley I’m putting on my Mini, thanks 👍

  • @fusixn
    @fusixn 6 років тому +43

    Waow fidget spinners 0:39

  • @thoriso1000
    @thoriso1000 6 років тому +3

    Great and informative video. Great job chaps.

  • @GeorgePhillipsIII55
    @GeorgePhillipsIII55 Рік тому

    Just found you…. Excuse me while I watch every video
    Thanks for this channel !!!
    The only thing that could make this channel better is if you had a texas accent , haha
    Love from Dallas !!

  • @laurentiu.panait2536
    @laurentiu.panait2536 6 років тому +6

    I guess instant power delivery would be way more favorable over revving the nuts out of your engine, just to squeeeell the tires and losing the boost when shifting in a turbo car

  • @whlawson5812
    @whlawson5812 Рік тому

    Pls do video of vacuum operated supercharger bypass valve vs operate by wire type of supercharger bypass valve control by ECU.
    Is vacuum operated supercharger bypass valve continuously self regulate to maintain a minimum delta p?.
    Example 1: manifold air intake pressure at -1 psi and bypass valve in modulating mode for +2psi at supercharger discharge. Manifold throttle body 30% open.
    Example 2: manifold intake pressure at +2psi. Bypass flap further closes a bit for +5psi at supercharger discharge. Throttle body >35% open.
    Case 3. Air intake manifold pressure at +7.5psi vs supercharger discharge also at +7.5psi. Bypass flap in closed position. Throttle body >50% open.
    Example 4. Manifold air intake at -5psi. Bypass flap in fully open position. 0psi at supercharger discharge. Throttle position 23% open.
    It is possible to change a ECU operated bypass valve, in a supercharged Mercedes, to vacuum operated bypass valve to try the type able to continuously self regulate for a slight DP before intake manifold pressure get above -1psi?.
    Fyi, idling at 750rpm to the manifold intake pressure is at -7.5psi with throttle body at 17.2% body. MAF at 5.4g/second. Very very slight positive pressure of +0.14psi at supercharger discharge.
    Regards.

  • @Torqueandtarmac
    @Torqueandtarmac 6 років тому

    Beautifully explained

  • @hatimsalim1355
    @hatimsalim1355 4 роки тому +2

    Hence the installation of aftermarket superchargers is easy, can I add a supercharger to already turbocharged cars, in a way to marriage both of them in order to prevent lagging and to gain better performance, in another meaning the best of both in one(We usually hear about 2 in 1 or whatever in one in most good products, but can this type of marriage work on cars). Has anybody thought about this before?!

  • @mitsumedia7627
    @mitsumedia7627 6 років тому +10

    These are the things that really make that v8 zoom

  • @baitcastersbroadheads2594
    @baitcastersbroadheads2594 4 роки тому +3

    Can someone tell me what brand to look for I want one for an 86 f150 with a 351w

  • @machitaSTS
    @machitaSTS 6 років тому

    excellent video

  • @DrSpanky
    @DrSpanky 6 років тому +1

    So when specing a root supercharger do you size pulley based on engine size displacement and boost target taking in valve overlap etc? or would you also factor in the low VE of the engine (say is has 2 valves per cylinder and is old).Would your calculated 8psi positive pressure based on the full engine displacement turn out higher because of poor VE? IE if the engine had a VE of 80% would you meet in the middle and calculate it at 90% engine displacement because of the old design\low valve count?

  • @imnota
    @imnota 6 років тому +5

    If the h22 can reach 102% ve does it means it's kinda has boost even tho there isn't forced induction ?

    • @faisal3398
      @faisal3398 6 років тому +2

      No, because engineering and physics.

    • @177SCmaro
      @177SCmaro 6 років тому +5

      IMNOTA
      Technically yes as boost is pressure above ambient as a result of resistance to flow however it would be very difficult to measure given it's so slight, fast, and occurs in the cylinder as the air "stacks up" and compresses ever so slightly before the intake valve closes with just the right resonance.
      Though it's quite debatable if this really qualifies as "boost" or not. It more like the "elastic" nature of air.

  • @MuffinMammoth
    @MuffinMammoth 6 років тому +2

    Is no one going to bring up that fancy ass chair the dude at the very end of the video was on? It was like a robot arm connected to a chair

  • @bencrosbie
    @bencrosbie 6 років тому

    Ive a tsi and thats really good to know

  • @ilkile3991
    @ilkile3991 6 років тому +5

    Does anyone know where the clip at 00:21 comes from and if possible the owner of that car

    • @ilkile3991
      @ilkile3991 6 років тому

      @Random Boiii _ the short vid of the car

  • @OhRaez
    @OhRaez 6 років тому +7

    I like superchargers over Turbos, is that just me? I mean, Turbos can create more horsepower over a higher RPM, but superchargers are more consistent and I feel would be greater to control the power on tracks.

    • @christophercervantes5346
      @christophercervantes5346 6 років тому

      I agree with you on that part but I personally like turbos for the sake of economy in daily driving

    • @OhRaez
      @OhRaez 6 років тому

      @@christophercervantes5346 Yea I agree too. Turbos though are very efficient.

    • @KRAUSER0130
      @KRAUSER0130 6 років тому +1

      And they don't fail as often, turbos are way more sensitive. =Superchargers are cheaper

  • @lawnmowerman1271
    @lawnmowerman1271 6 років тому +2

    What’s the crack with pro chargers?
    Is that a combination of turbocharger compressor but powered via belts?

    • @ellenorbjornsdottir1166
      @ellenorbjornsdottir1166 6 років тому +2

      It's a centrifugal compressor.

    • @sommor001
      @sommor001 6 років тому

      @lawnmowerman127 These are centrifugal superchargers created by the company "ProCharger"

    • @lawnmowerman1271
      @lawnmowerman1271 6 років тому

      Oh I see!!
      Thanks for help 🤙🏼

  • @earl4701
    @earl4701 2 роки тому

    Bro that’s crazy just learned more in 4 minutes then I did all school year in math

  • @riyaniftakher
    @riyaniftakher 6 років тому +20

    1:54 Fidget spinners 😂

    • @UltimateMTB
      @UltimateMTB 6 років тому +4

      I only clicked on this video to see if someone commented this 😂

    • @crackedemerald4930
      @crackedemerald4930 6 років тому +6

      The OG fidget spinners

  • @NoName-tq9fi
    @NoName-tq9fi Рік тому

    The section in this video on Volumetric Efficiency is conceptually incorrect. VE is not a volume ratio, it is a mass ratio. A piston engine is a positive displacement pump, it always pumps the same volume of air no matter what the conditions.
    And as other VE videos are wrong, there is no such thing as "Wasted Space" in the cylinder. Air in a continuum does not act that way.

  • @Kaassje
    @Kaassje 3 роки тому

    Does a supercharger make your car less reliable since the compression should be higher?

  • @jhnkhynjalocon471
    @jhnkhynjalocon471 6 років тому +2

    What do you call the third forced induction 2:34

    • @LKBHD
      @LKBHD 6 років тому

      Im also curious

  • @wheatboy2468
    @wheatboy2468 4 роки тому

    great man superb knowledge

  • @Salisboury
    @Salisboury 6 років тому +4

    Now do the same for turbochargers

  • @Alex-xs7pz
    @Alex-xs7pz 6 років тому +2

    why do you say supârcharghărs instead of supercharger?

    • @OhRaez
      @OhRaez 5 років тому +2

      He is British, as you can tell...

  • @spicyrobert1679
    @spicyrobert1679 4 роки тому

    Does anyone know where the clip from 3:33 comes from?

  • @DEVUNK88
    @DEVUNK88 4 роки тому

    anyone making a cvt supercharger pulley setup yet?

  • @Adrian90GT
    @Adrian90GT 6 років тому

    Lepsze niż miłośnicy 4 kółek, że tak pozwolę sobie zażartować 😂

  • @sandrooliveira458
    @sandrooliveira458 6 років тому +11

    That's why Supercharger >>>> Turbo

    • @berys76
      @berys76 6 років тому +5

      Sandro Sobreira no

    • @yahyasajid5113
      @yahyasajid5113 6 років тому +3

      No

    • @zxKrookedxz
      @zxKrookedxz 6 років тому

      why? i heard no reason why its better

    • @temsbab1565
      @temsbab1565 6 років тому +1

      No Twin charger>>>>>>>Super charger

    • @gyorgykomaromi994
      @gyorgykomaromi994 6 років тому

      Imo supercharger vs turbo is a very subjective preference. Personally i prefer the superchargers, the bigger roots style ones, as the sound the make and the linear power delivery the help to achieve is orgasmic.

  • @cubanamerican22
    @cubanamerican22 6 років тому +9

    All you need to know is that there's no replacement for displacement.

  • @reecelawson4718
    @reecelawson4718 4 роки тому

    What causes superchargers to whine?

  • @akihiko4036
    @akihiko4036 6 років тому

    Aka fidget spinners that's actually an air compressor

  • @akashketwal614
    @akashketwal614 6 років тому

    can anyone tell me best video editing software and plus it should be easy to work on!
    plz

    • @martinsindans1341
      @martinsindans1341 6 років тому +1

      Davinchi resolve is great, but you need to have some experience and a bit more powerful pc

    • @akashketwal614
      @akashketwal614 6 років тому

      Mārtiņš Indāns ok thanks 4 telling

    • @muscleguy2945
      @muscleguy2945 6 років тому +1

      Adobe AE

  • @MTBer193
    @MTBer193 2 роки тому

    How about both? 😏

  • @taha112498
    @taha112498 6 років тому

    0:52 which engine is that?

  • @EAautos
    @EAautos 6 років тому

    Doms 1969 Dodge Charger ‘s supercharger is so beautiful

  • @Maf3011
    @Maf3011 6 років тому +1

    I spy a classic Mini 2:33

    • @tomassosaoconnor
      @tomassosaoconnor 6 років тому

      Yes, that video is around there if you look for slide throttle bodies in youtube

  • @franceskomichali2646
    @franceskomichali2646 6 років тому +2

    How is the background music called?

  • @davidblees9004
    @davidblees9004 6 років тому +4

    Wassup guys how is everybody doing❤️

  • @jaferlastname1760
    @jaferlastname1760 6 років тому

    I swear that's a fidget spinner in the thumbnail

  • @miloslogic
    @miloslogic 6 років тому

    It's all 'bout that air ya'll...

  • @deadwolf3607
    @deadwolf3607 3 роки тому

    Learned more then in school
    Fuck me

  • @Tinhamodic
    @Tinhamodic 4 роки тому

    Came here because I wanted to know how Mad Max's car worked.

  • @carlosoleiro3453
    @carlosoleiro3453 6 років тому +3

    The volumetric efficiency explanation is not 100% correct. An engine pulls air with negative relative pressure, that's why the air enters the cilynder. But the fact not 100% of the displacement is considered is because the final pressure at the intake stroke is lower than atmosferic pressure. So it means you have 80% e.g. of volume at ATMOFESFERIC pressure. But obviously the cylinder gets fully filled , just at a lower pressure than atmosferic.

  • @Tamoooose
    @Tamoooose 6 років тому

    Your graph is wrong at 1:08

  • @Idk-ih3of
    @Idk-ih3of 6 років тому

    First

  • @screw_bird
    @screw_bird 6 років тому +3

    Donut media science garage did it better

    • @tokirak
      @tokirak 6 років тому +4

      This covers more of the math and numbers side, which is a welcome change from the kindergarten level tone that science garage uses

  • @simonlloyd7557
    @simonlloyd7557 4 роки тому

    I wish this video had constant, pointless, repetitive, monotonous and distracting music..preferably something infantile.

  • @the4hunters
    @the4hunters 2 роки тому

    Too much talk

  • @leftmorningstar6954
    @leftmorningstar6954 6 років тому

    I love superchargers.