Quote:
Originally Posted by strat61caster
The other piece of the puzzle not mentioned is power is work performed/time, so yes, 200 hp at 50 mph shouldn't have any more frictional losses than 300 hp at 50mph, everything *should* be moving at the same speed in that instant, but power is not an instantaneous measurement, but rather a time averaged measurement, and so that 300hp is revving up the system at a quicker rate resulting in a higher absolute power loss.
|
Don't forget that to maintain a constant speed at your assumed 50 mph very little of that available power is being used. An 80 hp engine and a 500 hp engine both are producing, what, 7-10ish hp.