View Single Post
Old 05-25-2012, 08:40 AM   #5
powertrip
Senior Member
 
Join Date: Feb 2012
Drives: Mercedes C320, S2000
Location: North Florida
Posts: 155
Thanks: 3
Thanked 13 Times in 12 Posts
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quote:
Originally Posted by Prava View Post
I know the specs say that the car is 200whp at 7000rpm... But I don't entirely understand how a dyno works entirely. Is it a 3rd gear pull to a certain rpm/mph? Can somebody explain it simply? And also, simply why its not pulling towards the 200whp zone rather than 164.7whp?
You use the gear that equates most closely to a 1:1 ratio on the torque multiplier (gearing). The reason it pulls less than stated Crank HP is due to parasitic loss in the drivetrain. Pulleys, transmission, wheels, etc leech power from the motor on the way to the rear wheels.
powertrip is offline   Reply With Quote
The Following User Says Thank You to powertrip For This Useful Post:
Prava (05-25-2012)