Horsepower Vs Torque - The Secrets of Speed
ฝัง
- เผยแพร่เมื่อ 2 มิ.ย. 2024
- What is the difference between horsepower, and torque? What the heck is a foot pound? Why does horsepower and torque always meet at 5250? Which is better, horsepower or torque? Find out in our latest video explaining the difference!
#dyno #horsepower #torque
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*I've been curious about this for a while but never been motivated enough to go looking thanks for saving me time* 😁
Exactly the same with me …
Horsepower = torque * RPM/5252
So if you have 100 lb-ft if torque at 5252 RPM your car will make 100 horsepower, however if your car can Rev to 7,878 RPM your car will make 150 horsepower.
Imagine two people were driving at 30 mph and then started racing each other with the exact same car except one engine had 200 horsepower and 100 lb-ft of torque and the other had 100 horsepower and 200 lb-ft of torque. If both cars were to accelerate as fast as they could in the same gear, the car with more torque would accelerate faster, however if the car with more horsepower were to shift into a gear that is at least two times as aggressive (which it can do because horsepower=torque*rpm/5252 so if the horsepower is bigger but the torque is smaller the RPM must be much bigger) the car with more power will be making more torque at the wheels and so will accelerate faster.
Engineering Explained did a number of excellent videos on this topic, especially the one he talks about what the best RPM to shift at is.
Kolego nie dokońca jest tak jak napisałeś masz racje ze ten sam pojazd mający do dyspozycji na tej samej prędkości jazdy wieksza moc i mniejszy moment na wale będzie przyspieszał lepiej ALE i teraz słuchaj/czytaj uważnie niemusi mieć więcej momentu na osi koła napędowego zakładając ze mamy 2 różne promienie kół 😎 jedyne co musi mieć więcej to siły na obwodzie opony 👍🏻 Moment obrotowy to nie siła ,to raczej moc jest siłą moment obrotowyistnieje w punkcie zerowym wręcz ten sam moment generuje zupełnie różne siły na rożnym dystansie od osi ! Mając mniejszy promień koła np 0,5 m vs 0,25 m i na 0,5 m załóżmy ze silnik generuje 100 nm na 1000 rpm vs na 0,25 m 50nm na 3000 rpm załóżmy ze mierzymy sile na styku opony z asfaltem przy tej samej predkoscijazdy np 10 m/ s wersja 50 nm przy 3000 rpm na promieniu 0,25 m wygeneruje na osi koła około 25% mniejszy momentobrotowy i pomimo to wygeneruje 50% wieksza sile na obwodzie styku opony z asfaltem !!!👍🏻 Hę ku..a hę
A to ta siła jest jednostka finalną stanowiąca o sile pociągowej czy tez przyspieszeniu w danej chwili 😁 zgadni quees co różnica w sile jest zawsze proporcjonalna do różnicy w mocy …👌🏻dla tej samej prędkości jazdy 🌪
Wszystko zależy od punktu widzenia moment obrotowy na osi koła jest proporcjonalny do siły gdy promień koła jest stały ,siła jest. Proporcjonalna do mocy w odniesieniu do prędkości jazdy ….finalnie gdy brać pod uwagę katalogowe wartości nm i mocy na wale zakładając ze golf a ma więcej nm i mniej mocy a golf b na odwrót to golf b wygra wyścig na prostej .
Seen it, and of course old mate know's what he's talking about but that's a simplistic, and ultimately incorrect, explanation and statement. Easily disproven by engines that don't rev past 5000rpm
@@venners4288 It does not matter what the torque or the RPM is if you put the numbers in the equation you will find it gives you your horsepower.
For example if I had an engine that produced 100 lb feet of torque at 2626 RPM the engine would produce 50 horsepower because horsepower (50) = torque (100)*RPM (2626)/5252
It's getting harder and harder to find performance specs. Everything is centering around MPG, CO² emissions, safety ratings ECT. It took me forever to figure out the 2022 Civic SI is nearly as fast as an early 90s base 💩 box.
That's sad, but funny. Most 90s 💩boxes barely made 100 hp stock, but were really light compared to modern cars. Today's cars usually come with close to 200 hp or more, but good luck finding one that weighs less than 3k lbs. (Except maybe a Miata).
@@Kingswood7189 That might be because of all the heavy mandatory safety features they have to put into cars these days
Well my 90s civic has 90HP but it can make fun, the Difference between my civic and New cars is that my car is capable of producing those 90HP without breaking every 2months like New cars.
Most modern 200hp cars have engines same size like mine, they get problems after sometimes even 60000km.
Thanks for this upload!!!!
*GREAT INFORMATIVE PRODUCTION* NEW GUY keep it UP
Fun video. It is incorrect but still fun. The point where torque and HP are equal is a meaningless point. That point is totally arbitrary based on the units of measure you are using. You get MANY other things wrong in the video too.
u really good at explaining stuff bro
Hello ideal cars, ur biggest fan here
I had my 2018 2.0 zb turbo dyno tuned a little while back, had basic bolt ons and ended up with 176kw atw and 665nm torque. It has a 9 speed auto aswel but it sounds like quite alot of torque. I have the dyno video and print out aswel.
This Is The Greatest Video Ever Explained... It belongs in the Great Book..👍🏾
2:32 thanks for including the GOAT car for that segment
Thank you so much!!!!!!!!!!! I've been looking forward to this because there's no youtube video on this! Thanks!!!
so TL:DR Gear ratios are more important when all else is equal and your better off dropping cash on a better gearbox and drivetrain than strapping extra stuff to your engine and going for just straight raw BHP...
heres an interesting question, is it possible to tune/upgrade the internals of a Automatic gearbox for better performance and reducing shifting lag on older automatics?
Shift kit and a higher stall torque converter was the usual approach back in the day. and higher ratio rear differential.
Ideal!
hi ideal
What of the car had the same hp and same torque would it be any different then a car with more hp or torque
Make a video finding the cheapest you can find all the fast and furious cars that you might be able to afford
I want the power earlier than later,fun & snappy within the legal speed limits so u can use it...of course, lol!!
i have no idea what pound is cuz im from germany but i learned a bit what it actaully menas
It's like 1.356 Newton meters per pound foot of torque. Same thing.
There should be a part 2, Why does bensin feel faster than diesel even tho a diesel has way more NM force but same HP?
If they have the same hp they be the same fast regardless of torque at crank 👌🏻 let say you are at 100 km/h it dosent matter you have more torque or more rpm ( but not both in the same time cos than you would have more power ) as long as power be lower it would accelerate slower 👌🏻 if one setup would have the same power from higher rpm and lower torque it would accelerate egzacly the same as version with lower rpm higher torq the same power 👌🏻 as long as power stay the same dosent mater something have more rpm or more torque they would have very similar performance assuming all other is equall so weight dirve train losess wheels rotational inertia drag asf aso + each perfect gearing with similar peak width to diffrenc between gear lenght 😎 petrol with the same hp cant be faster from disel with the same hp asssuming this what im write everything equall 👌🏻 if on higher rpm be more power its only than when petrol can be faster if power be the same than its elephant 💩 it only make more noise 🥳 but noise dosent translate into contact path force and acceleration 🤭 disel which have 300 hp at 3000 rpm absolutely destroy petrol with 100 hp at 9000 rpm in simialr car in a let say drag race push you into seat much much stronger all the way to finish 1/4 mille line and beyond 😉🤷🏻♂️👌🏻
What I'm wondering is if a car has 1,000 HP but 100 torque, will it be as if it only has 100 HP?
Edit: Thank you for the responses. I've learned a lot.
No, it'll be 1000hp. I don't think the physics work out, but mathematically a car making 100ftlb of torque would be making 1000hp at 50,000 RPMS.
Because the engine is spinning 10x the speed, but creating the same amount of force (torque) as the slower engine. It can have 10x more aggressive gearing and so have 10x the wheel torque. Meaning simply it would theoretically be 10x as fast to accelerate, with the same top speed
@@jeff5798 for top speed it need more gear which for weaker engine be pointless as to smal hp do t allow him to go any faster 👌🏻
Sadly, just the grunt. Living near a metropolitan area doesn't allow much speed build
I didn't learn anything.
BIG TURBO TDI FTW
im here early
For me, torque is the better of the two. You can have all the power in the world, but if you can't put it to the ground, then it's useless.
To me, you’d be talking about traction then. Generator engines have a certain amount of torque, none of which goes to the ground, but is still absolutely necessary.
Torque is what causes you to break traction so this comment is incorrect on its premise.
Horsepower = torque * RPM/5252
So if you have 100 lb-ft if torque at 5252 RPM your car will make 100 horsepower, however if your car can Rev to 7,878 RPM your car will make 150 horsepower.
Imagine two people were driving at 30 mph and then started racing each other with the exact same car except one engine had 200 horsepower and 100 lb-ft of torque and the other had 100 horsepower and 200 lb-ft of torque. If both cars were to accelerate as fast as they could in the same gear, the car with more torque would accelerate faster, however if the car with more horsepower were to shift into a gear that is at least two times as aggressive (which it can do because horsepower=torque*rpm/5252 so if the horsepower is bigger but the torque is smaller the RPM must be much bigger) the car with more power will be making more torque at the wheels and so will accelerate faster.
Engineering Explained did a number of excellent videos on this topic, especially the one he talks about what the best RPM to shift at is.
Correct, engineering explained did the best extended explanation for sure.
@@bolt5564 Appreciate the explanation. Had no idea about that video, but now I have something to check out.
I'm still waiting to hear D-D-D-D-D-List on this channel
BTW peak horsepower is guess what, the peak. Your car isn't electric or a performance CVT. The honest whp of a car is the mean of 1st gear with traction and the next gear.
Ex) Peak whp is 500@6800 rpm, the next gear drops rpm to 5200 rpm. Assuming constant torque your average whp is 441whp.
Don't ever flex your peak whp, you'll be humbled.
An even more accurate measure would be to find the mean of the means for all the gears you're going to use, but that's too long.
But when peak is very wide well enough wide for specified diffrenc in gear lenght in specific vehicle than avg power use for drag race mean max power 👌🏻😁😎🤷🏻♂️
Bro given the right condition , the Bugatti will do 2.39 sec.( Note that iam not referring to any drag strip or race track, just normal Highway road @ right conditions )
Power multiplied by time gives the (kinetic) energy of the vehicle. Torque multiplied by time does not result in a meaningful physical quantity.
😊
I feel like I've listened to James May witj an American accent 😁😁
So lets say there’s 2 engines in the same weight cars. #1 car has 300hp and 200tq. #2 car has 200hp and 300tq. So #1 would win a long race while #2 would win a shorter race?
Nope and yes it depend on gearing i mean put in both perfect gearing in terms of gears quantity and diffrenc in gear lenght for each perfect setup and now 300 hp 200 tq version win in both short and long drag race 👌🏻 but if you put in 300 hp 200 tq version wrong /bad gearing than 200 hp 300 tq version can win in enough short race 👌🏻for bad gearingin 300 hp 200 tq version it lost cos bad gearing dont allow engine for be on enough more power avg compare to 200 hp300 tq version with perfect gearing thats the point 👌🏻
De we have a discord channel ???
Horsepower
Comment section are mostly people who still don’t understand classic physics lol
Didn’t know the difference between the two for the longest still kinda don’t
The TH-camr Engineering Explained did a number of fantastic videos on this topic. The video that most got me to understand it was his video about when to shift gears for maximum acceleration.
If you don't have torque how do you accelerate?
Any torque can be created when you have an adequate amount of horsepower. Horsepower=torque x rpm
@@AAthlete34 Very well put.
i have golf 3 GTI 150hp 110tq and opel astra h 1.9cdti 120hp 150tq the opel is combe but is faster becuse of the turbo and tq
You are crazy 👌🏻😂 astra weight 1300 kg and golf 1100 kg in fact this astra engine i usually on dyno show more than manufactory claimed around 130-135 hp and have beautifoul wide peak but still 150 hp lighter golf GTi will kick astra a.s in Classic drag race 👌🏻unless golf engine will not produce 150 hp cos some engine error etc golf accelerate to 100 in around 8,3 sec vs astra in 10 sec and golf achieve biger top speed too 👌🏻what astra have defenitely better is lowend punch so elasticity so in daily driving its engine characteristic be much better 👍🏻if you compare 2500 rpm vs 2500 rpm on the same velocity astra despite is heavier easy beat golf 😁 but let the driver to use in both car at the same velocity optimal rpm and now astra loose 👍🏻 or you buy tune astra h combo 😂and somebody forget tel you this 👌🏻
@@mociczyczki ture as f,my golf top speed was 230km/h astra 180 km/h becuse car goes left right,and my astra turbo valve is broken and adds more air thats why is accelerating faster xd thats bulgarian car broken as f hahaha
@@Unknown-or9bp 🤔👍🏻
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I prefer 500 cubic inches blown and injected.
Ok I would think the Bugatti would win against the toucan because as it has gears it should never be sitting under 2000rpm
Torque is force and horsepower will speed the force
torque have nothing to do with linear force unless you know leverage 😉👌🏻 torque is component of force and arm lenght thats why they call it NM and not N newton …👉🏻force x metres = tprque force be itself is only Newton not Newtonometers 😉👍🏻
😂 so torq is hardest push you can vs power how fast you can push car than where is formuła force= mass x acceleration 🤔🤣 you for sure are d.Mb 👌🏻
My mom doesnt have a camry she has a bmw m5 cs🙃😀
dont get it
My car has more torque then horsepower, what that mean
For me, I choose torque over power because torque is what win races. 71 buick stage 2 455, puts down a good amount of torque, but that against a car the has more power than its torque, the buick will win.
F1 car have less torque but higher horsepower and I don’t need to tell you what will happen.
@@BlitzkriegRap them cars are like feathers with power. In that case, power and torque would matter to those because of the weight and how aerodynamic they are.
That's not how it works. If a car can build that power faster than yours can, assuming all traction is equal, it will go faster. It doesn't matter if it makes 100ftlbs of torque or 10,000ftlbs, it just depends on what the power curve looks like and which car can actually put the power to the tarmac.
Only if they're both 5,000lb bricks... A lightweight car that makes more HP than torque, with the same power to weight ratio will dust your brick. Because torque is work, and horsepower is work over time, how fast it gets that done.
@@mociczyczki you need help with reading comprehension. You just laid out an example that I agreed with, if they're both very heavy, then yes, you'll need more torque just to move the damn thing. But a heavy vehicle with lots of torque, is going to lose vs a lightweight vehicle with more horsepower than torque. Even if their power to weight ratios are the same. Learn to read, dude.
WHAT??????????👀👀👀👀🙉🙉🙉🙉😯😯😯😯
While this is a great video it is wrong about diesel engines in class 8 trucks. None I repeat NONE of them rev anywhere close to 3000 RPM.
dude pound foot sounds sooo stupid i cant get over it 😂
Sounds painful actually.
Horsepower is Male lion and torque is female lion
and seat belt are snakes and car interior sawannah 👍🏻
Introduce the Ginger Please, we want a back story or something!?!
I’ll take torque, even though MG F’s only weigh ~1500kg
and microtonal frets
Another faulty explanation where torque is force, work and everything else on earth (gladly not power). Which leads to wrong (or pointless) conclusions.
The Ideal car engines are ones that have torque equal or exceed the horsepower figure, and in NA form, so that means v8's baby 😉.
Torque over time = horsepower. How fast that work gets done. Fast cars have horsepower numbers that are more than their torque. Vehicles made for hauling stuff have torque that's more than their horsepower ie: semis. A semi can have 500hp and an absolute crap load of torque and they're still slow as balls...
V8 ? Me 1,4 4 inline n/a have more torque figurę than hp 🤣
hp is how fast u hit the wall but torque is whou long u take the wall with u
Nope
Avg horsepower use to acceleratecar before hit the wall is how fast how strong and how big damage be upon collision on both car and wall 👌🏻torque be turnoff /knockout at 300 km/h hitying the wall cos nothingleft from engine and car maybe except rear bum 😂 unless wall be masę offsh.traper 👍🏻
He won my vote, when he said,
(YOU FEEL ME)?
Me and my wife have this conversation every weekend after she states her Bugatti is quicker than my Koenigsegg
😂😂😂😂😂😂
Horsepower: overall power, more hp=higher top speed.
Torque: the shit that throws you back in your seat, the torque is the speed that the car accelerates
Again this isn’t really correct, because the engines power and torque is always modified by the transmission.
A good example is an engine with 200tq and 100hp vs an engine with 200tq and 1,000hp.
If they had exactly the same gearbox, at low engine speeds they would feel the same.
But if they had ideally suited transmissions the 1khp motor would produce 10x the wheel torque per gear, and so give you 10x the ‘pushed back into your chair’ acceleration
Torque = Lifting weights
Horsepower = Using the treadmill
Tiny issue, it's just a conversion thing and obviously you're american so I get it, but if you're going to talk science, at least use Newton-Metres and Watts as your units.
I don't get why manufacturers care to increase these metrics if the vast majority of consumers do not need their max speed or crazy accelerations. What do consumers get out of this?
Torque is better for me because it's what you feel. There's nothing like being pushed back into the seat when you accelerate.
power is what you feeel not torque 😉 ( well ok both depend on test regulation /point of view let say ) feg 100 nm at 2000 rpm at 100 km/h pedal to the metal vs 50 nm at 6000 rpm at 100 km/h pedal to the metal in which version you fell stronger push back into seat? its second 🤷🏻♂️🤭 which generate more power ? its second version 👍🏻 but it depend on point of view on set gear you are right 👍🏻 bigest push well ok biger push you would feel at peak engine crank torque rpm than at peak engine crank hp rpm 👌🏻 but on set speed only peak power rpm can exert strongest push you back into seat 👍🏻 and because on race track assuming the same grip each vehicle have each vehicle are always in the same part of track at the same speed so only peak power rpm can give tham max acceleration or like you like call this stuff strongest push back into the seat 😉👍🏻 from 50 from 100 from 150 from 200 asf only peak power rpm can accelerate best cos watt:m/s = force .
All I know is it better be making a s*** ton of s*** at 5252. We will go from there 😉
Can't have horsepower unless you have torque first , torque wins