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Power to weight formula ?
Do any of you have the power to weight formula ?
My cobra engine put's out 563 hp. Weight of the car is 2,400 lbs. Thanks, |
4.26
Weight divided by power. |
well.........that's simple !
Thank you |
:3DSMILE:
Frenchy is a simple Frog and she told Fred. Ron :LOL: |
The only dividing that Frenchy can do is both her legs. Good eatin' :p :p
In the good old days of "muscle cars", any power to weight ratio less than 10 was FAST. If you got down to a ratio of 7, you were a king of the hill. HP was always engine HP, and I'm assuming your 563 HP is engine HP, not RWHP. |
I would think it would be of most meaning if usable HP with a driver was used for a HP to weight ratio.
Get a 1/4 mile trap speed, correct to sea level for alike comparison to others and then use a racing calculator for a HP number. Divide HP into you and the car weight. If car and driver is 2600 lbs and it traps 125 mph, which is about what 550 to 600 engine HP Cobras often seem to be, it would be about a 400 corrected rear wheel HP car. 6.5 lbs per 1 HP. http://www.pro-system.com/calc.html http://www.modulardepot.com/density.php |
Don't forget to factor in what day of the week you are running the formula, and also if you are above or below the equator for proper coriolis adjustments!!!!!!!
What would you guys do without me !!! ???? :rolleyes: . |
Well, since everyone says TORQUE is what makes it feel good, what is the torque to weight formula? Let's see, weight divided by torque for my car (2650 lbs and 450 ft-lbs) works out to 5.89 per ft...what's a "per ft"?:3DSMILE: :3DSMILE:
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Good question Ken !
How about 2400 lbs and 580 torque ? |
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