The Truth About Horsepower

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  • เผยแพร่เมื่อ 29 ธ.ค. 2024

ความคิดเห็น • 118

  • @martinvanweperen7257
    @martinvanweperen7257 6 ปีที่แล้ว +81

    And then there is the difference between imperial and metric horsepower to make it even more complicated...

    • @martinvanweperen7257
      @martinvanweperen7257 6 ปีที่แล้ว +12

      Gustav II Adolf yes it is. But it is there and sometimes it makes things look a bit weird, for example; a McLaren 720s has (you would) think 720 hp but in imperial it's something like 710. Same goes for the Koenigsegg one:1 which power to weight ratio isn't 1:1 if you use imperial hp.

    • @antoine4038
      @antoine4038 6 ปีที่แล้ว +9

      It's easier to understand the difference between Imperial and Metric horsepower than it is understand the difference between different organizations and nation's horsepower measurement standards. Metric vs Imperial is just different units that can be converted, but SAE net horsepower vs, say, gross brake horsepower is something else.

    • @martinvanweperen7257
      @martinvanweperen7257 6 ปีที่แล้ว +1

      Antoine yes I 100% agree that's I was merely adding some (less important) information.

  • @Clubloosedriftguy
    @Clubloosedriftguy 6 ปีที่แล้ว +107

    Only matters what wheel hp is

    • @the1anonymouse
      @the1anonymouse 6 ปีที่แล้ว +12

      Speed Demon yup, HP sells cars BHP moves them

    • @Patrick-zr8tv
      @Patrick-zr8tv 6 ปีที่แล้ว +6

      TheAnonymouse, I think you mean WHP

    • @chrisredfield3240
      @chrisredfield3240 6 ปีที่แล้ว +2

      I think you mean hp sells torque wins races.

    • @chrisredfield3240
      @chrisredfield3240 6 ปีที่แล้ว +1

      Only problem comes when people compare wheel horsepower of one car vs crank for the other.

  • @Rarotonga_78
    @Rarotonga_78 6 ปีที่แล้ว +18

    wheel hp is the real hp

  • @MotorDetroit
    @MotorDetroit 6 ปีที่แล้ว +1

    “Power makes you fast in the straights, lightweight makes you fast everywhere” :)

  • @NatureXwars
    @NatureXwars 6 ปีที่แล้ว +23

    I still question on why it is called "brake" horsepower??

    • @lockjawjak
      @lockjawjak 6 ปีที่แล้ว +9

      something to do with old dynos, and how the horsepower was measured by how much they resisted the brakes applied to stop the engine or so

    • @MotorDetroit
      @MotorDetroit 6 ปีที่แล้ว

      Ya. A dyno is a “brake” as it applies a force that resists the torque generated by the motor. If you had no dyno or “brake” the engine would have no load. Power is force (load) times speed. Can’t measure power if you can’t load (“brake”) the engine.

    • @nadboyz8564
      @nadboyz8564 4 ปีที่แล้ว

      th-cam.com/video/dIDUlRqay3E/w-d-xo.html

  • @ThaDutchDK1989
    @ThaDutchDK1989 6 ปีที่แล้ว +7

    You forgot the + 5hp stickers, and what category the are.

    • @HostileLemons
      @HostileLemons 6 ปีที่แล้ว

      ThaDutchDK1989 Fake horsepower

  • @akonsamantha
    @akonsamantha 6 ปีที่แล้ว +1

    Love those videos.. Better than all my teachers

  • @SonyFoLife
    @SonyFoLife 6 ปีที่แล้ว +1

    Huh i actually learned something i always thought bhp and whp were synonyms

  • @felix8289
    @felix8289 6 ปีที่แล้ว

    Most of the world still measures gross horsepower. That is why identical engines seem to advertised with lower output in the US, even if the actual horsepower is the same.

  • @adamnilsson566
    @adamnilsson566 6 หลายเดือนก่อน

    Hmm, I have a 66 Ford Fairlane with a 2-port 289 in it (all original) and according to my papers it’s got 200 SAE horsepower, but if SAE was introduced in 1972, what does that mean?

  • @Vyppaaa11
    @Vyppaaa11 6 ปีที่แล้ว +24

    A video is titled "The Truth About Horsepower" and doesn't even touch what horsepower actually means (work done over time), how horsepower is calculated (TQ×RPM÷5252), or the difference between imperial and metric HP. Great job........

    • @mrbossup7143
      @mrbossup7143 6 ปีที่แล้ว +1

      Vyppaaa11 thank you

    • @Tucet_
      @Tucet_ 6 ปีที่แล้ว

      Vyppaaa11 Oh fuck off

    • @Vyppaaa11
      @Vyppaaa11 6 ปีที่แล้ว +1

      Johnny Lakman The truth hurts eh?

    • @JaydenET
      @JaydenET 6 ปีที่แล้ว +1

      The horsepower tq rpm coefficient is 5252 rpm

    • @Vyppaaa11
      @Vyppaaa11 6 ปีที่แล้ว

      Jayden Eladnani-Tempo you are correct, I shall amend my original statement.

  • @matthewzuber9823
    @matthewzuber9823 6 ปีที่แล้ว

    If the item in question is the car than there should be laws on the books that the advertisement has to be wheel horse power, but if the item in question is just the engine, well then, do what ever i guess, probably net and gross would be nice

  • @47kotzur
    @47kotzur 6 ปีที่แล้ว

    What is the WHP of 98 1.8l miata?

  • @Mk2_Kizz
    @Mk2_Kizz 6 ปีที่แล้ว

    Wonder what that engine is shown in the thumbnail

  • @aaronyap2477
    @aaronyap2477 6 ปีที่แล้ว

    Do a video about torque

  • @kirilzangagolev3401
    @kirilzangagolev3401 6 ปีที่แล้ว

    Horsepower to weight ratio determines rate of acceleration but horsepower determines top speed. That is why a lighter car with less horsepower might accelerate as fast as another heavier car with more horsepower to a certain point but at higher speeds the higher horsepower car will pull away. So there is an incentive to buy a a lightweight smaller engine car because it will still accelerate fast to 150km/h.

    • @MrTeknown
      @MrTeknown 6 ปีที่แล้ว +1

      The weight pays a big role into the acceleration. But there are a lot of factors. You need the complete power curve, the size of the wheels influence the acceleration and much more.

  • @TheLeewi98
    @TheLeewi98 6 ปีที่แล้ว +3

    Why isnt this content on your main channel?

    • @markwright3161
      @markwright3161 6 ปีที่แล้ว +7

      Because Phil's V6 is taking all the time to be installed because they can't read the instructions! :-)

  • @Sony-ox7wx
    @Sony-ox7wx ปีที่แล้ว

    How would this translate to electric motors?

  • @JD-yz5cc
    @JD-yz5cc 6 ปีที่แล้ว

    Still confused. Does net brake hp = SAE Net Standard?

  • @danielkhattar2673
    @danielkhattar2673 6 ปีที่แล้ว

    we use kilowatts in australia (sometimes we use horsepower but mostly KW)

    • @govinlock8568
      @govinlock8568 6 ปีที่แล้ว

      Daniel Khattar Indonesia still use metric HP as power and Nm as torque unit.

    • @manfromnantucket9544
      @manfromnantucket9544 6 ปีที่แล้ว

      Daniel Khattar In the rest of the world, we use KW/KWh to measure electricity consumption. Personally never heard anyone use newton meters outside of a lab or something

    • @govinlock8568
      @govinlock8568 6 ปีที่แล้ว +2

      Man from Nantucket that's true. watts generally only used for device that use electricity for its power source.

  • @abdulazeez.98
    @abdulazeez.98 6 ปีที่แล้ว

    So the dynometer only measures WHP ?

    • @Nebbia_affaraccimiei
      @Nebbia_affaraccimiei 6 ปีที่แล้ว +2

      or not even that. more precisely "spits out some numbers", that are not representative of anything. and then you change the BRAND of the dynamometer and start all over.

    • @abdulazeez.98
      @abdulazeez.98 6 ปีที่แล้ว

      Nebbia affaraccimiei
      As far as I know, the main use for the dynometer is to measure the horsepower before and after modifications to see if the power actually got higher or not. But for getting the exact horsepower it's not accurate, as you've already said.
      I wonder why wouldn't they do some routine calibrations to get the numbers right.

  • @MotorDetroit
    @MotorDetroit 6 ปีที่แล้ว

    I don’t think “horsepower” means indicated horsepower. The numbers would be much higher if they were indicated. Read here about BMEP (brake mean effective pressure) and IMEP (indicated mean effective pressure)
    x-engineer.org/automotive-engineering/internal-combustion-engines/performance/mechanical-efficiency-friction-mean-effective-pressure-fmep/

  • @cargillmonteque2311
    @cargillmonteque2311 6 ปีที่แล้ว

    Wheel horse power is the real horse power

  • @scorpio6587
    @scorpio6587 6 ปีที่แล้ว

    Thank you

  • @IronPortInIronCraft
    @IronPortInIronCraft 6 ปีที่แล้ว

    is that a 4age 20v black top

  • @15october91
    @15october91 6 ปีที่แล้ว

    Interesting!

  • @martijn9568
    @martijn9568 6 ปีที่แล้ว

    And now I want to know what shp is, presumably shaft horsepower.

  • @tamasnemeth4891
    @tamasnemeth4891 6 ปีที่แล้ว +3

    My life was a lie.

  • @Random63R400
    @Random63R400 6 ปีที่แล้ว

    And no matter what happens Porsche's always have announced hp on the bench

  • @nosfonader8792
    @nosfonader8792 6 ปีที่แล้ว

    So 650 HP doesn’t sound as powerful as it makes it out to be?

    • @mattstelljes
      @mattstelljes 6 ปีที่แล้ว +1

      650 HP is a lot but in reality once it goes through the transmission and to the wheels some of the power is lost...depends on the drive train too...I don't know the exact percentage that's lost but I believe AWD loses the most because the power has to go to all four wheels all the time..you might be looking at 550 wheel horse power..not an expert but I enjoy driving so I try to keep up on how stuff works a little lol hope that helps! have a nice day!

    • @nosfonader8792
      @nosfonader8792 6 ปีที่แล้ว

      Matt Stelljes Next year’s Camaro has up to 650 hp; I was playing on buying it so that’s why I was asking

    • @mattstelljes
      @mattstelljes 6 ปีที่แล้ว +1

      that's awesome man, good for you! car will definitely be a monster but the 650hp is probably at the crankshaft, not the wheels..it'll be a blast either way I'm sure lol

  • @AxCYeR
    @AxCYeR 6 ปีที่แล้ว

    using HP is stupid still, i wish we could finally get used to using kW instead. for obvious reasons.

  • @SethDavis96
    @SethDavis96 6 ปีที่แล้ว +2

    hi from Ohio 🙏

  • @axel3895
    @axel3895 6 ปีที่แล้ว

    Simply use kw

  • @sshum00
    @sshum00 6 ปีที่แล้ว +1

    I thought it was going to be an explanation on how they measured how much power a horse had. I'm somewhat disappointed.

    • @MrMacfanboy
      @MrMacfanboy 6 ปีที่แล้ว +1

      Shelby S Don’t know how it was measured but I’m sure I remember seeing one horse actually has 14.9 HP. Just to confuse things further 😂

  • @TheStig43and199
    @TheStig43and199 6 ปีที่แล้ว

    I thought most manufacturers measured at the crank...

    • @MotorDetroit
      @MotorDetroit 6 ปีที่แล้ว

      DutchedUp yes. I think this is true. The comment about Indicated power is wrong I believe.

  • @zeeks4338
    @zeeks4338 6 ปีที่แล้ว +3

    Just use PS instead HP 😂

  • @kirara4953
    @kirara4953 6 ปีที่แล้ว

    *gasp* Its Camelpower!!?

  • @compostboomtron9001
    @compostboomtron9001 6 ปีที่แล้ว

    Wheel hoursepower is real horsepower

  • @kokkraj_
    @kokkraj_ 6 ปีที่แล้ว

    And then there is pferdestärke.

  • @alexthompson5172
    @alexthompson5172 6 ปีที่แล้ว +1

    people who use bhp to describe a car tuned on a rolling road that measures in whp only....
    ahhhhhhhrrrrrrr

    • @Vyppaaa11
      @Vyppaaa11 6 ปีที่แล้ว

      Alex Thompson many people do this for the simple fact that you can estimate your drive line loss. They are not (always) incorrect for doing this.

  • @lukec410
    @lukec410 6 ปีที่แล้ว

    There goes 2 minutes of my life to a video which didn't teach me anything that's actually important about horsepower

  • @hitmaniak1737
    @hitmaniak1737 6 ปีที่แล้ว

    mx5😋

  • @nickamarit
    @nickamarit 6 ปีที่แล้ว

    Torque per minute

    • @Ryrzard
      @Ryrzard 6 ปีที่แล้ว

      Lol what

  • @silverdetox
    @silverdetox 6 ปีที่แล้ว

    still confused.

  • @sonibobnaj4823
    @sonibobnaj4823 6 ปีที่แล้ว +2

    I personaly prefer PS

  • @Jiilaker
    @Jiilaker 6 ปีที่แล้ว

    Ooowwyeahh

  • @dylanyates6331
    @dylanyates6331 6 ปีที่แล้ว

    Science Garage did it better :)

  • @chokekoo983
    @chokekoo983 6 ปีที่แล้ว +10

    HP/L means nothing.

    • @martinvanweperen7257
      @martinvanweperen7257 6 ปีที่แล้ว +10

      ChokeKOO! So a 7.0l engine with 500 hp is better than a 2.0l with 499? Give me a brake...

    • @underscore8085
      @underscore8085 6 ปีที่แล้ว +11

      No, a higher HP/L means that the engine is more efficient (not fuel efficiency) and has a higher output at a lower engine volume, its just an impressive number

    • @chokekoo983
      @chokekoo983 6 ปีที่แล้ว +14

      No, HP/L means nothing because horsepower is a function of torque and ENGINE SPEED! If your 2.0L engine has to rev 4x harder to make equal horsepower, it's actual displacement is more than a 7.0L engine at 1/4 the engine speed. This is why a Z06 makes more power and gets better fuel economy than an S2000. Displacement does not determine fuel consumption or efficiency. Seriously, this is so old, old, old... You shouldn't be into cars if you don't understand this by now.

    • @Josh-nt3fo
      @Josh-nt3fo 6 ปีที่แล้ว +1

      Redfox [赤い きつね] Efficiency is pinned to fuel consumption.

    • @iventonart9474
      @iventonart9474 6 ปีที่แล้ว +2

      That'll butthurt all keyboard boy racers.

  • @cleos_jericho
    @cleos_jericho 6 ปีที่แล้ว

    first