Horsepower & Torque Formulas
04-07-2005, 02:52 PM
#3
These were from the Car Math page of prestage.com, but I notice the site is down:
HP from weight (lbs) and 1/4mile ET:
HP = weight/((ET/5.825)^3)
HP from weight (lbs) and 1/4mile speed (mph):
HP = weight * ((speed/234)^3)
HP from weight (lbs) and 1/4mile ET:
HP = weight/((ET/5.825)^3)
HP from weight (lbs) and 1/4mile speed (mph):
HP = weight * ((speed/234)^3)
04-10-2005, 09:24 PM
#5
Staging Lane
Join Date: Feb 2005
Location: SW Ohio
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Speed in the equation is the trap speed in a 1/4-mile run.
That equation is useful. The "234" is a good number for street cars. Full drag race cars (slicks, big stall converters, big gears, etc.) may need a value like "227" to be more accurate.
That equation is useful. The "234" is a good number for street cars. Full drag race cars (slicks, big stall converters, big gears, etc.) may need a value like "227" to be more accurate.
