Horse Power ? No!
Thread Starter
Heel & Toe
Joined: Mar 2008
Posts: 18
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Horse Power ? No!
Not doing well on the general forum, so will try here. When did Brake Horse Power become Horse Power? Horse Power is the engine size 12 H.P. = 1200cc. 10 H.P. =1000cc. etc. B.H.P. is the amount of brake power required at the crank or rear wheels (obviously different figures) to stop the engine whilst it is at full power. How about we all start using the correct term.
Team Owner
Joined: Oct 2004
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From: Bergen County, NJ Democrats, doing for the country what they did for Michigan
Not doing well on the general forum, so will try here. When did Brake Horse Power become Horse Power? Horse Power is the engine size 12 H.P. = 1200cc. 10 H.P. =1000cc. etc. B.H.P. is the amount of brake power required at the crank or rear wheels (obviously different figures) to stop the engine whilst it is at full power. How about we all start using the correct term.
This is going to end well, I am actually shaking in anticipation for the responses....
Race Director
Joined: Jun 2004
Posts: 13,949
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From: WI
Not doing well on the general forum, so will try here. When did Brake Horse Power become Horse Power? Horse Power is the engine size 12 H.P. = 1200cc. 10 H.P. =1000cc. etc. B.H.P. is the amount of brake power required at the crank or rear wheels (obviously different figures) to stop the engine whilst it is at full power. How about we all start using the correct term.
http://en.wikipedia.org/wiki/Horsepo...ake_horsepower
In the United States the term "bhp" fell into disuse after the American Society of Automotive Engineers (SAE) recommended manufacturers use hp (SAE) to indicate the net power of the engine, given that particular car's complete engine installation. It measures engine power at the flywheel, not counting transmission losses (or anything after the flywheel). Starting in 1971 automakers began to quote power in terms of SAE net horsepower.
Safety Car
Joined: Apr 2002
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From: Conroe TEXAS!
Cruise-In X Veteran
Not doing well on the general forum, so will try here. When did Brake Horse Power become Horse Power? Horse Power is the engine size 12 H.P. = 1200cc. 10 H.P. =1000cc. etc. B.H.P. is the amount of brake power required at the crank or rear wheels (obviously different figures) to stop the engine whilst it is at full power. How about we all start using the correct term.
/Fail
Thread Starter
Heel & Toe
Joined: Mar 2008
Posts: 18
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Yes your engine has 57 horses, a Mini would have had between 7.5 and 12.5 depending on model. SAE recommendations gave a false indication of a cars performance level by inflating a figure that many people thought indicated its capabilities. i.e. The more it has the better it is.
Safety Car
Joined: Dec 2006
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From: St Marys GA
Not doing well on the general forum, so will try here. When did Brake Horse Power become Horse Power? Horse Power is the engine size 12 H.P. = 1200cc. 10 H.P. =1000cc. etc. B.H.P. is the amount of brake power required at the crank or rear wheels (obviously different figures) to stop the engine whilst it is at full power. How about we all start using the correct term.
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Team Owner
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From: Bergen County, NJ Democrats, doing for the country what they did for Michigan
HUH? Hp has nothing to do with engine displacement. It is a direct calculation given Torque at a certain RPM. HP = (Torque x RPM)/5252. That's all there is to it. I think the torque an engine puts out is pretty obvious where that comes from. I don't know where you got your information from but, uh, it's wrong.
Race Director
Joined: Mar 2007
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From: Marlton. Increasing performance one speeding ticket at a time! NJ
HUH? Hp has nothing to do with engine displacement. It is a direct calculation given Torque at a certain RPM. HP = (Torque x RPM)/5252. That's all there is to it. I think the torque an engine puts out is pretty obvious where that comes from. I don't know where you got your information from but, uh, it's wrong.
Displacement matters not.
Horsepower was coined by J. Watt as an estimate of how much weight a horse could pull in a given amount of time.
Additionally, since hp was/is/and will always be in English units, how the hell do you expect it to line up with metric units (cc's).
The only think I can think of is that your confusing Liters.
I don't know who pulled a joke on you, but you've been had.
If you have some other credible source for this, I'd love to see it.
In the mean time, I won't hold my breath.
Melting Slicks
Joined: Feb 2006
Posts: 2,240
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From: Cleveland OHIO
Not doing well on the general forum, so will try here. When did Brake Horse Power become Horse Power? Horse Power is the engine size 12 H.P. = 1200cc. 10 H.P. =1000cc. etc. B.H.P. is the amount of brake power required at the crank or rear wheels (obviously different figures) to stop the engine whilst it is at full power. How about we all start using the correct term.
Last edited by wayne lowry; May 8, 2008 at 10:25 PM.
Team Owner
Joined: Feb 2006
Posts: 24,460
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From: sw Ohio
Yes your engine has 57 horses, a Mini would have had between 7.5 and 12.5 depending on model. SAE recommendations gave a false indication of a cars performance level by inflating a figure that many people thought indicated its capabilities. i.e. The more it has the better it is.
ok then...
Drifting
Joined: Mar 2008
Posts: 1,756
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From: Wichita KS
He actually counted the steps of a quarter horse to lift a weight a measured distance. I think it was 12,000 steps, I can't recall the distance. Germans used a draft horse to get their calculations (stronger horse) for diesel engines. The calculation for measuring diesel horsepower is less the 12K.
I agree. Poster is phishing for controversy. Tie him to a horse and slap it's rump
Displacement matters not.
Horsepower was coined by J. Watt as an estimate of how much weight a horse could pull in a given amount of time.
Additionally, since hp was/is/and will always be in English units, how the hell do you expect it to line up with metric units (cc's).
The only think I can think of is that your confusing Liters.
I don't know who pulled a joke on you, but you've been had.
If you have some other credible source for this, I'd love to see it.
In the mean time, I won't hold my breath.
I agree. Poster is phishing for controversy. Tie him to a horse and slap it's rump
Displacement matters not.
Horsepower was coined by J. Watt as an estimate of how much weight a horse could pull in a given amount of time.
Additionally, since hp was/is/and will always be in English units, how the hell do you expect it to line up with metric units (cc's).
The only think I can think of is that your confusing Liters.
I don't know who pulled a joke on you, but you've been had.
If you have some other credible source for this, I'd love to see it.
In the mean time, I won't hold my breath.
