redline

MiracleMax · 02-15-2001, 02:35 AM

Yeah, cubic inches equal cubic power. thats just because a BB engine makes more torque (all things being equal) at the same rpm. However the BB's heavier components take more time to accelerate when compared to the smaller motor's components.

Opps had to edit everything between the top and bottom here

Torque is a measurement of force and horsepower is a measurement of work which by the way, both are equal at 5252 rpm.

HP = (torque x rpm) / 5252

One of those wennie F1 motors makes something like 750-800 hp I believe at a screaming 15 or 16,000 rpm (maybe more). So we'll say 800 hp at 16,000 rpm. That rascal is making only 263 foot pounds of torque at 16,000 rpm to make 800 hp, now a BB making 800 hp at 6,000 rpm would be making 700 foot pounds of torque.

Whats all this got to do with the price of butter in China, glad you asked. It depends on what your trying to accomplish.

Given then medium in which you race it might prove advantagous to develop a high revving engine that produces the same power as it's larger alternative, due to space/weight limitations. Like in the case of an F1 car, both engines might produce 800 hp, but here where weight and aerodynamics are important, stuffing a big ol' honk'n BB in there will slow the car down due to it's weight and size. Or it might prove advantagous to take advantage of some kind of weight break due to a physically smaller motor that can rev higher even though you would lose some torque. this would be offset by its lighter weight (and I guess its faster/higher revving nature)

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02-15-2001, 02:35 AM	#7
MiracleMax Registered Member Join Date: Apr 1999 Location: Hayes, Va, USA Posts: 798	Yeah, cubic inches equal cubic power. thats just because a BB engine makes more torque (all things being equal) at the same rpm. However the BB's heavier components take more time to accelerate when compared to the smaller motor's components. Opps had to edit everything between the top and bottom here Torque is a measurement of force and horsepower is a measurement of work which by the way, both are equal at 5252 rpm. HP = (torque x rpm) / 5252 One of those wennie F1 motors makes something like 750-800 hp I believe at a screaming 15 or 16,000 rpm (maybe more). So we'll say 800 hp at 16,000 rpm. That rascal is making only 263 foot pounds of torque at 16,000 rpm to make 800 hp, now a BB making 800 hp at 6,000 rpm would be making 700 foot pounds of torque. Whats all this got to do with the price of butter in China, glad you asked. It depends on what your trying to accomplish. Given then medium in which you race it might prove advantagous to develop a high revving engine that produces the same power as it's larger alternative, due to space/weight limitations. Like in the case of an F1 car, both engines might produce 800 hp, but here where weight and aerodynamics are important, stuffing a big ol' honk'n BB in there will slow the car down due to it's weight and size. Or it might prove advantagous to take advantage of some kind of weight break due to a physically smaller motor that can rev higher even though you would lose some torque. this would be offset by its lighter weight (and I guess its faster/higher revving nature)