View Single Post
Old 06-19-2013, 10:16 AM   #54 (permalink)
Xist
Not Doug
 
Xist's Avatar
 
Join Date: Jun 2012
Location: Show Low, AZ
Posts: 12,232

Chorizo - '00 Honda Civic HX, baby! :D
90 day: 35.35 mpg (US)

Mid-Life Crisis Fighter - '99 Honda Accord LX
90 day: 34.2 mpg (US)

Gramps - '04 Toyota Camry LE
90 day: 35.39 mpg (US)

Don't hit me bro - '05 Toyota Camry LE
90 day: 30.49 mpg (US)
Thanks: 7,254
Thanked 2,231 Times in 1,721 Posts
Quote:
Originally Posted by ElPants21 View Post
I like the idea but you would have to math things out. i don't know how many watts it takes to spin up a turbo to say 10lbs of boost, but it gets negated by the added power generated. with an alternator (assuming max efficeincy of the belt drive and that it's rated at 90amps) 90amps x 12volts = 1080 watts / 745.7 = 1.44hp required to turn it under a 90 amp load.

Can that be squeezed out of an exhaust turbine?
Sure! If it is attached to another car!
  Reply With Quote