How Horsepower Is Measured In Cars

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  • Опубліковано 6 лют 2025
  • Torque and horsepower are both ways of understanding force where torque describes the capacity of a force to twist an object and horsepower describes that capacity over time. We'll examine how horsepower improves a car's ability to perform "work," and how an engineer uses a dynamometer to measure horsepower and torque curves.
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    How Horsepower is Measured In Cars

КОМЕНТАРІ • 217

  • @deepakthapa8582
    @deepakthapa8582 5 років тому +562

    suddenly business insider has so much interest in cars

    • @adamkimmV
      @adamkimmV 5 років тому +16

      Probably because there's a lot to talk about, and it gets them a lot of views.

    • @rathevanbuskirk9995
      @rathevanbuskirk9995 5 років тому +2

      That's good imo

    • @jonlamp5244
      @jonlamp5244 5 років тому

      I just watched a video criticizing their obvious agenda against Tesla . Not surprised to see them trying to promote more vroom vrooms.

    • @yengsabio5315
      @yengsabio5315 5 років тому

      It's their business, too, probably!

    • @noobus1423
      @noobus1423 5 років тому

      @@adamkimmV and a lot of hate

  • @Griscly
    @Griscly 5 років тому +558

    You forgot to mention how stickers add 100hp each.

    • @Tape_Time
      @Tape_Time 5 років тому +6

      Dary1k can’t forget the fart can that adds an extra 50hp

    • @alexstroud4665
      @alexstroud4665 5 років тому +15

      You forgot the racing stripes

    • @Tape_Time
      @Tape_Time 5 років тому +3

      Alex Stroud we almost forgot the quadruple wing

    • @user-st5ir8mg3q
      @user-st5ir8mg3q 5 років тому +7

      This reminds me of rgb jokes on pcs

    • @lewisholt2899
      @lewisholt2899 5 років тому +2

      And racing flames and go-faster stripes

  • @lemon5501
    @lemon5501 5 років тому +182

    You guys forgot to mention the racing seats add +50 horsepower.

    • @JonChenTS13
      @JonChenTS13 5 років тому +2

      Lemon yeah and each sticker you add, it's an additional 5hp each

    • @mikkokivisto4414
      @mikkokivisto4414 5 років тому +1

      Nah, a spoiler cuts it.

    • @GrandMaMaYT
      @GrandMaMaYT 3 роки тому +1

      Racing seats are lighter... Its not +50 but hey its something

    • @lemon5501
      @lemon5501 3 роки тому +2

      @@GrandMaMaYT r/woooosh

    • @vladivosdog
      @vladivosdog 2 роки тому +1

      @@GrandMaMaYT r/woooosh

  • @charliemartinez179
    @charliemartinez179 5 років тому +225

    “This car is spinning at 8,000 RPM “ ,,
    not a good start

    • @GewelReal
      @GewelReal 5 років тому +10

      car be like "WEEEEEEE"

    • @shadi_vq2246
      @shadi_vq2246 5 років тому +3

      Not to hate on you but on dynos car are dyno’d in 4th gear to have a 1:1 ratio of engine rpm and transmission so therefore yes the car is actually spinning at 8000rpm

    • @KF-ms8rr
      @KF-ms8rr 5 років тому +5

      @@shadi_vq2246 dont think you get the point

    • @kaiserkonig981
      @kaiserkonig981 5 років тому +1

      @@shadi_vq2246 wooosh

    • @arlingtonsunset
      @arlingtonsunset 5 років тому

      @@shadi_vq2246 it is supposed to be the wheels are rotating for that rpm

  • @Leo-xe6rf
    @Leo-xe6rf 5 років тому +55

    Short answer: it is measured by how many horses can pull the car for 10 meters
    Long answer: the video

  • @jokesoops5547
    @jokesoops5547 5 років тому +75

    3:08 where the video actually starts

    • @cardintrieu5833
      @cardintrieu5833 5 років тому

      Jokes Oops thank you

    • @That-tt4ty
      @That-tt4ty 5 років тому

      Good looking

    • @hyder404
      @hyder404 5 років тому

      And still goes nowhere in relation to the title.

  • @chichan9013
    @chichan9013 5 років тому +124

    Okay... So what's that in Camelpower?

    • @davidwright3018
      @davidwright3018 5 років тому +10

      1 Camelpower = 700 Horsepower

    • @davidwright3018
      @davidwright3018 5 років тому +2

      We Americans want to make it harder because we're a bunch of d#cks

    • @oldmangod690
      @oldmangod690 5 років тому +11

      And now we just abandoned Miles/hr and changed it to
      Budweiser Per Freedom Eagle
      Welcome to America

    • @moses1142
      @moses1142 5 років тому +2

      Chi chan their torque is measured in humps!! 🤣

    • @shahidhossain497
      @shahidhossain497 5 років тому

      You're everywhere

  • @NoobzWarrior
    @NoobzWarrior 5 років тому +6

    For mustangs, horsepower is how fast you will hit the wall, and torque is how many people you will drag with you.

  • @realRickSanchez
    @realRickSanchez 5 років тому +25

    4:24 ...(HP and torque) those number are the best one we have for telling how capable a car really is.
    0-60: Am I a joke to you?

  • @krystalissoojung5114
    @krystalissoojung5114 5 років тому +17

    thank you, business insider, for providing me with the knowledge that I never knew I needed, nor questioning it and present it in a very informative, easy to understand and interesting way

  • @Shreeramkhosla96
    @Shreeramkhosla96 5 років тому +13

    Who is watching this after a minute this video was uploaded.

  • @kaiserkonig981
    @kaiserkonig981 5 років тому +5

    "Those numbers are still the best ones we've got to tell how capable a car is" 4:23. Just look up 0-60 and 1/4 mile times, there are a lot of better ways of looking into a car's performance.

  • @the_gerb
    @the_gerb 5 років тому +6

    As a car guy I can speak for all car guys and say thank you for explaining things that matter to us to other people. But you forgot a few things like that some other manufacturers hp and lb-ft are measured at the crankshaft rather than the wheels. Let’s say that 707hp Dodge Challenger hellcat you showed actually has about 650 to the wheels. Basically wheel hp is just crank hp after taxes. But great work on the research

  • @alexandrunechifor
    @alexandrunechifor 5 років тому +2

    As an engineer, I loathe the fact that they omitted the torque-axis in the last graph. The graph they used had a vertical horsepower line and a horizontal RPM-line. If you're going to plot two lines in one graph, make sure to include the proper axis!!

  • @thanos2399
    @thanos2399 5 років тому +98

    *Greta: How dare you*

    • @scriptmore
      @scriptmore 5 років тому +5

      I thought you died

    • @bijhonbordoloi9181
      @bijhonbordoloi9181 5 років тому

      i regret seeing this video now.........

    • @jj4013
      @jj4013 5 років тому

      Most high end and high powered cars aren't driven that much due to depreciation, maintenance and impracticality. So their net co2 emissions are equall or less than ypur average family car which is driven way more

    • @cv4809
      @cv4809 3 роки тому

      "You're destroying my future"

  • @ChhanaChhakchhuak
    @ChhanaChhakchhuak 5 років тому +25

    3:34 Puts on gas pedal, then shows electric car... :D

    • @DreamGaming12
      @DreamGaming12 5 років тому

      Chhana Chhakchhuak good catch

    • @tylercouture216
      @tylercouture216 5 років тому

      Lmao right that's definitely not a gas pedal

    • @dragonballtorture
      @dragonballtorture 5 років тому

      @@tylercouture216 *electric pedal

    • @niklasl
      @niklasl 5 років тому

      @@dragonballtorture *accelerator

  • @Badspellign19
    @Badspellign19 5 років тому +1

    You don't measure horsepower, you calculate it.

  • @ConsensusX
    @ConsensusX 5 років тому +2

    Well, manufacturers usually advertise Brake horsepower (bhp). This is measured at the crankshaft just outside the engine, (with the engine outside the vehicle and no auxiliary components [alternator, water pump, etc..] attached) before the gearbox and drive train.
    The Wheel Horsepower (whp) numbers are ALWAYS lower than what's advertised.
    The Challenger Demon is advertised at up to 840HP but only puts out around 700HP at the rear wheels.

  • @vsucountryboy
    @vsucountryboy 5 років тому

    Certified motorcycle mechanic here. Fuel doesn't explode inside the combustion chamber. It burns. The dynamometer load is applied by the rollers and not the straps. Please get your facts straight before misinforming the general public.

  • @sobanshahid9851
    @sobanshahid9851 5 років тому +4

    *Me thinking what is horse power in my mind yesterday*
    UA-cam: Here's a video telling you all about horse power.

    • @the_gerb
      @the_gerb 5 років тому

      Soban Shahid look up donut media’s video on horsepower it gets a little more detailed

  • @Prae5618
    @Prae5618 5 років тому +6

    Lemme guess,they measure power in watts and divide by 746?

  • @pinochet3317
    @pinochet3317 5 років тому +2

    Flame decals on the side of the vehicle increases horsepower by 200hp per decal

  • @FEVERNOVAA
    @FEVERNOVAA 5 років тому +1

    The dyno sheet you showed is wrong
    Hp and torque curves ALLWAYS cross at 5252 rpm, the one you showed dosent

  • @nursultan_tulyakbay
    @nursultan_tulyakbay 5 років тому +3

    I always thought you just count the number of tiny horses inside.

  • @kooniiee
    @kooniiee 5 років тому +1

    Buisness insider suddenly turning into Donut media

  • @realRickSanchez
    @realRickSanchez 5 років тому +1

    Maybe mention that factory horsepower ratings are measure at the engine crank not at the wheels like the video implies.

  • @McIntyreBible
    @McIntyreBible 5 років тому

    A very helpful lesson on the subjects of torque and horsepower!

  • @2BXD
    @2BXD 5 років тому +3

    They didn't mention drive train loss. Crank vs Wheel Horse Power. I can already see the clickbait they can do with it "CAR DEALERSHIPS ARE LYING TO YOU ABOUT HP!"

  • @DeepValueOptions
    @DeepValueOptions 5 років тому +8

    How horsepower is measured in Teslas: G-Force

  • @jaspervv9985
    @jaspervv9985 5 років тому +1

    Only 59k for this thing. In The Netherlands we would have to pay >200k due to emission tax. I hate my life.

    • @E9X330
      @E9X330 5 років тому

      @@MisaloSloe how is that good

    • @E9X330
      @E9X330 5 років тому

      @@MisaloSloe Cars are a small fraction of global emissions

  • @muskreality
    @muskreality 5 років тому

    Torque is how you ran over people with your Mastung while Horsepower is how you drag those people behind.

  • @huongphamthi8461
    @huongphamthi8461 3 роки тому

    how did you do it can you share with me , thank you

  • @urbanpkrider31
    @urbanpkrider31 5 років тому

    3:54 didn’t realise that readout lines crossed at 6500rpm now? 😂😂

  • @rhemaislife
    @rhemaislife Рік тому

    Thank you so much

  • @yendorelrae5476
    @yendorelrae5476 2 роки тому

    You broke this down instead of just the words being mentioned! Commercials prey on people with big words and imply you are stupid, but of course THEY got your back, your money too!

  • @ipo7596
    @ipo7596 5 років тому

    Power to weight ratio is underrated.

  • @JustADioWhosAHeroForFun
    @JustADioWhosAHeroForFun 5 років тому +4

    Well I thought you would ask a Horse how fast is the Car

  • @HarpaxA
    @HarpaxA 5 років тому +11

    How about accelaration ?
    Like how many seconds can a car goes from 0-to-100 km/h.
    Oughta be a good overall benchmark ?

    • @angelgjr1999
      @angelgjr1999 5 років тому +2

      Acceleration is important. So is chassis rigidity. Brake distance. Handling. HP and Torque are only a small part of driving enjoyment. That’s why Miatas are considered one of the most fun cars, despite having less than 200 hp. Which isn’t much in today’s sport cars.

    • @LegendNinja41
      @LegendNinja41 5 років тому

      @@angelgjr1999 yep they don't have alot of HP but they are also very light, low and have good aerodynamics which makes up for it.

    • @tylercouture216
      @tylercouture216 5 років тому

      @@angelgjr1999 no one really cares about miatas like you say please never mention them again

  • @jamesschweikert9538
    @jamesschweikert9538 5 років тому

    Horsepower isn’t measured by a Dyno. Dynos only measure torque and rpm. Horsepower is a mathematical equation but simplified horsepower is torque times rpm divided by 5252.

  • @AmaZingKnowLedgeINDIA
    @AmaZingKnowLedgeINDIA 4 роки тому +1

    "क्रिकेट पिच की लंबाई कितनी होती है" ? 1Horse power कितने watt का होता है" ?

  • @joelyebb1299
    @joelyebb1299 5 років тому +1

    How much hp do u have Mr. Narrator ?

  • @k7y
    @k7y 3 роки тому +1

    Almost every time he said horse power (HP) he meant brake horse power (BHP).

  • @Danielevans2
    @Danielevans2 5 років тому

    0-60 mph and the 1/4 mile test are better indicators

  • @thetrends5670
    @thetrends5670 5 років тому

    English caption written in HTML

  • @saikiranbattula3870
    @saikiranbattula3870 5 років тому +3

    when you realize you have a chance to ge the top comment so you comment whatever you can fastest so you can get the top comment

  • @BMWROYAL
    @BMWROYAL 5 років тому

    I have to keep remembering this video is highly dumbed down for regular videos, I literally didn’t learn anything and most manufacturers use engine dynos

  • @lorenzo6734
    @lorenzo6734 5 років тому +10

    The mustang is still much cheaper than other cars in the same category.

  • @qqrryyii
    @qqrryyii 5 років тому

    You forgot to add that RGB adds another 100+ horsepower

  • @brendanhoffmann8402
    @brendanhoffmann8402 4 місяці тому

    Any car heads know why my Mercedes m111.970 engine is only rated for 71 HP when other m111 engines are rated for over 100 HP? (It's in a diesel MB100D)

  • @nats50
    @nats50 4 роки тому

    You were showing the speedometer and NOT the tachometer!

  • @dub88acc
    @dub88acc 5 років тому

    How am i supposed to know what a torque wrench is if i don't know what torque is... didn't learn much...

  • @getthemoves2810
    @getthemoves2810 2 роки тому

    Thank you

  • @fahimalvi9521
    @fahimalvi9521 5 років тому

    This is the first time I am seeing UA-cam not drunk in an early video. Strange.

  • @Beniu19892
    @Beniu19892 5 місяців тому

    Does this apply to cars painted red?

  • @anubhavgupta774
    @anubhavgupta774 5 років тому

    Thanks a lot for this earlier I thought that they race with horses 😁😁😂

  • @chadwickhjones
    @chadwickhjones 5 років тому

    You neglected to mention how much better electric engines are re torque versus combustion engines.

  • @shimeih2287
    @shimeih2287 5 років тому

    The way he explains us hilariously dumbed down 😂😂😂

  • @cody4544
    @cody4544 5 років тому

    you didnt explain how the companies mislead you with the power numbers, they rate it at the crank, not to the wheels of the car so really its not 760 horsepower to the WHEELS its to the CRANK which is misleading

  • @ShredCo
    @ShredCo 5 років тому

    If you play the video at 1.5 speed its more enjoyable to listen to.

  • @chrisbruce1137
    @chrisbruce1137 5 років тому

    This video isn’t very accurate! Torque is measurement of how much force is needed to rotate something. In this video, BI used a crank shaft as an example when in actuality, if you bring your car to your local tuner and dyno it, the torque and horsepower figures reflect how much power the car made to the WHEELS not the actual engine it’s self. The average rear wheel drive car suffers a 15% drivetrain loss but that figure varies depending upon which dyno your using. The example used in this video is what some techs refer to as flywheel power or crank power and thats when you dyno the engine by itself which requires the engine to be pulled from the car. Their not wrong but showing a car on a dyno then using crank torque instead wheel torque is a little confusing!

  • @eeooooee2234
    @eeooooee2234 5 років тому +22

    Greta Thurnberg dislikes this video

  • @Til_I_Overdose
    @Til_I_Overdose 5 років тому

    they tie a string to a horse and see how much power the horse has to use to pull the car. thats how they check for horsepower

  • @romiarkan450
    @romiarkan450 5 років тому

    So how much is that in duck power again?

  • @inulasamarakoonsl7871
    @inulasamarakoonsl7871 3 роки тому

    Man this guy tells it clearlllllyy....

  • @felicity4598
    @felicity4598 5 років тому +1

    412 horse power. So that is like 12,000 ducks.

  • @rakeshswami11
    @rakeshswami11 4 роки тому

    If car's engine produces 400 hp then can one put in big commercial truck?

  • @AO_101
    @AO_101 5 років тому

    The quickest....not the most quickly

  • @stateref3148
    @stateref3148 5 років тому

    That’s a cool Honda

  • @Thexus
    @Thexus 5 років тому

    >physics
    >imperial units
    pick one

  • @PabloGonzalez-hv3td
    @PabloGonzalez-hv3td 5 років тому +1

    An average horse has 14 horsepower

  • @ParissaKhoury
    @ParissaKhoury 5 років тому

    They should have put a Camaro ZL1 on the dyno instead

  • @hellcriminal5985
    @hellcriminal5985 5 років тому

    V tech kicked in yo

  • @Insuranceexamprep
    @Insuranceexamprep 5 років тому

    I know nothing about cars I get ripped off when I buy one and when it needs repairs.

  • @HAMID___
    @HAMID___ 5 років тому

    I thought they measured the cars with actual horses on a race track

  • @purpleking6678
    @purpleking6678 3 роки тому

    Am I the only one wondering what this has to do with businesses?

  • @swapnilmajumdar3437
    @swapnilmajumdar3437 5 років тому

    Dude. It's a SHELBY MUSTANG GT 500 . Don't call it Ford Mustang. Shelby models, Shelby tuned cars are whole different game.

  • @johnjonjhonjonathanjohnson3559
    @johnjonjhonjonathanjohnson3559 4 роки тому

    how many horses were sacrificed to the car

  • @MrDance410
    @MrDance410 5 років тому +1

    Better tell us what is the torque

  • @LuthfiNR34
    @LuthfiNR34 5 років тому

    the unit makes me confuse

  • @SkullcrusherGamingTV
    @SkullcrusherGamingTV 5 років тому +1

    “This car revs up 8200 RPM!”
    Wrong.

    • @the_gerb
      @the_gerb 5 років тому

      Skullcrusher Gaming no he’s not

    • @SkullcrusherGamingTV
      @SkullcrusherGamingTV 5 років тому +1

      Alex Gerber I’m just being an asshole. It does rev to 8,250 though.

  • @yaminsiddiqui4690
    @yaminsiddiqui4690 5 років тому +4

    "DynamAmeter" .......

  • @saksham3329
    @saksham3329 5 років тому +1

    About 350 views and can already see 5 people being first in comment section
    *slow claps*

  • @rafiqrabbani784
    @rafiqrabbani784 5 років тому

    What's up with the bold tags? 😂

  • @leftmorningstar6954
    @leftmorningstar6954 5 років тому

    If everyone stops buying new cars manufactures will start making used cars.

  • @emmanuelzao
    @emmanuelzao 3 роки тому

    I failed physics in school 🙆🏽‍♂️

  • @NiklasWa99
    @NiklasWa99 5 років тому

    Noone thinks horsepower means velocity

  • @howtobebasic2122
    @howtobebasic2122 5 років тому

    a car losses power as it ages

  • @alfiarief9241
    @alfiarief9241 5 років тому

    Pls use metric

  • @derwissenskiosk8041
    @derwissenskiosk8041 5 років тому

    I honestly expected more Information... :/

  • @faizfrez2729
    @faizfrez2729 5 років тому

    If your play eurobeat you add 200hp

  • @GeraldDeBelen
    @GeraldDeBelen 5 років тому

    When the world measures in watts instead... Ok....

  • @abdullahsaeed7542
    @abdullahsaeed7542 5 років тому

    The name mustang adds 100 horse power

  • @beastmodebulls
    @beastmodebulls 5 років тому

    So no horses?

  • @Craigster11
    @Craigster11 5 років тому

    Should of talked about wheel hp and crank hp... lol

  • @bellading4269
    @bellading4269 5 років тому

    When I saw them took apart the things of a Tesla motor I felt they r very knowledgeble about things but when I felt they r good and deep in something I felt hard to stand the Tesla side I think go took apart engines r good and knowledgeble too u dont have to do that

  • @Mohammed-fp2fq
    @Mohammed-fp2fq 5 років тому

    So it all depends on TORQUE

  • @anonymousjoe8988
    @anonymousjoe8988 5 років тому

    No they make 200 horces race in a relay against a car and ad 1 more everytime the car wins until the car looses

  • @Anonymous-lc1hc
    @Anonymous-lc1hc 5 років тому

    as a car guy and business man i feel sexually attracted to your channel lately

  • @christhevancura9113
    @christhevancura9113 5 років тому

    Kilowatts = 1 horsepower 746 watts

  • @NikhoPrasetyoPratama
    @NikhoPrasetyoPratama 5 років тому

    what i see is just car in dyno and a chart also price tag that make my wallet run