Kw vs Hp vs Bhp???

MaverickMan · Aug 29, 2005, 2:09 PM

In my country we measure the power output of an engine in Kw, but it seems the rest of the world measures power ouput in HP. Whats the difference? How do you convert the different measurements, and is there any difference between Break Horse Power (Bhp)?

I realise this is possibly a stupid question, but its been bugging me for a while.

David Deas · Aug 29, 2005, 2:31 PM

One horsepower (HP, or BHP, however you want to phrase it because it doesn't matter) is the equal of 746 watts.

Subaru2005 · Aug 29, 2005, 2:32 PM

i think hp and bhp is the same.

Erind · Aug 29, 2005, 2:36 PM

1kw=1000w
1hp/bhp=745.70103354w. ( so 746 )
1kw=1.34102hp

bhp and hp are the same thing.
Need more info?

David Deas · Aug 29, 2005, 2:37 PM

Quote:

Originally Posted by Subaru2005

i think hp and bhp is the same.

They are. Only differece is in how they're measured. BHP is more accurate because it relys on a dyno instead of mathematical predictions. Although, manufacturers are still capable of fudging the numbers by stripping the engine on the dyno.

tabber · Aug 29, 2005, 2:38 PM

They don't have HP in Virginia or Africa.

Driftster · Aug 29, 2005, 3:02 PM

BHP = Brake Horsepower....

WHP = Wheel horsepower..

Those 2 numbers are extremely close(almost the same, but the wheel does take a very little away"

HP is usually crank/flywheel HP..which is what the ENGINE makes..Not what your car is producing.

crossle 32f · Aug 29, 2005, 4:05 PM

Quote:

Originally Posted by tabber

They don't have HP in Virginia or Africa.

But they surely have the HP sauce, lol !

tabber · Aug 29, 2005, 4:10 PM

Quote:

Originally Posted by crossle 32f

But they surely have the HP sauce, lol !

LMAO! What did that mean?!

civckllr · Aug 29, 2005, 4:25 PM

hahahahah i think that guy left

i dunno if its right to do this but...
why did the david cross the road?

tabber · Aug 29, 2005, 4:26 PM

Why civic, why?!

Rouin · Aug 29, 2005, 6:26 PM

Quote:

Originally Posted by Driftster

BHP = Brake Horsepower....

WHP = Wheel horsepower..

Those 2 numbers are extremely close(almost the same, but the wheel does take a very little away"

HP is usually crank/flywheel HP..which is what the ENGINE makes..Not what your car is producing.

i'm pretty sure drivetrain loss brings some cars up to 15% loss, especially for awd applications. that's a lot.

Driftster · Aug 29, 2005, 6:29 PM

....oooooook...????

Rouin · Aug 29, 2005, 6:33 PM

sorry let me be more specific.

Quote:

Originally Posted by Driftster

Those 2 numbers are extremely close(almost the same, but the wheel does take a very little away"

the drivetrain stealing 15% power away from the engine is a lot. WHP=85%(BHP), so it's definitely not the same.

Driftster · Aug 29, 2005, 6:34 PM

WHP = BHP..Brake HP = Horsepowere at your BRAKES....

WHP = HP going to the surface area of your rubber tires.....

Not much difference in those..

Now HP..FLywheel/crank HP..is where the pre 15% loss is measured.

Aug 29, 2005, 2:09 PM	#1
MaverickMan Poster Join Date: May 2005 Location: Darkest Africa Posts: 174	Kw vs Hp vs Bhp??? In my country we measure the power output of an engine in Kw, but it seems the rest of the world measures power ouput in HP. Whats the difference? How do you convert the different measurements, and is there any difference between Break Horse Power (Bhp)? I realise this is possibly a stupid question, but its been bugging me for a while. __________________ Sniff Sniff Smells like Clutch...

Aug 29, 2005, 2:31 PM	#2
David Deas Junior Join Date: Aug 2005 Posts: 40	To answer the question... One horsepower (HP, or BHP, however you want to phrase it because it doesn't matter) is the equal of 746 watts.

Aug 29, 2005, 2:32 PM	#3
Subaru2005 Back with a Vengeance! Join Date: Feb 2005 Location: NI, Belfast Posts: 3,361	i think hp and bhp is the same. __________________ 1st-Impreza P1 2nd-Evo 5 3rd-Integra Type R (DC5) 4th-360 CS 5th-Focus ST

Aug 29, 2005, 2:36 PM	#4
Erind Forum Guru Join Date: Jun 2005 Posts: 2,040	1kw=1000w 1hp/bhp=745.70103354w. ( so 746 ) 1kw=1.34102hp bhp and hp are the same thing. Need more info? __________________ back?

Aug 29, 2005, 3:02 PM	#7
Driftster Bimmer DBAG Join Date: Apr 2005 Posts: 48,540	BHP = Brake Horsepower.... WHP = Wheel horsepower.. Those 2 numbers are extremely close(almost the same, but the wheel does take a very little away" HP is usually crank/flywheel HP..which is what the ENGINE makes..Not what your car is producing. __________________ R.I.P. Randy

Aug 29, 2005, 2:38 PM	#6
tabber Banned Join Date: Mar 2005 Location: Dallas Posts: 2,066	They don't have HP in Virginia or Africa.

Aug 29, 2005, 4:25 PM	#10
civckllr vers 5.3 Join Date: Nov 2004 Location: Cary NC Posts: 928	hahahahah i think that guy left i dunno if its right to do this but... why did the david cross the road? __________________ lovin every moment of life

Aug 29, 2005, 4:26 PM	#11
tabber Banned Join Date: Mar 2005 Location: Dallas Posts: 2,066	Why civic, why?!

Aug 29, 2005, 6:29 PM	#13
Driftster Bimmer DBAG Join Date: Apr 2005 Posts: 48,540	....oooooook...???? __________________ R.I.P. Randy

Aug 29, 2005, 6:34 PM	#15
Driftster Bimmer DBAG Join Date: Apr 2005 Posts: 48,540	WHP = BHP..Brake HP = Horsepowere at your BRAKES.... WHP = HP going to the surface area of your rubber tires..... Not much difference in those.. Now HP..FLywheel/crank HP..is where the pre 15% loss is measured. __________________ R.I.P. Randy

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