View Single Post
Old 03-21-2017, 12:27 AM   #3069 (permalink)
Master EcoModder
freebeard's Avatar
Join Date: Aug 2012
Location: northwest of normal
Posts: 10,263
Thanks: 2,278
Thanked 3,242 Times in 2,552 Posts
I looked at it the other way (I was going to let this go, but...)

A 30Krpm alternator on an engine good for maybe 6Krpm would be 5:1 ratio. If the alternator pulley were 3" the crank pulley would be 15". That's THIS BIG.
  Reply With Quote