View Single Post
Old 12-12-2010, 11:09 PM   #223 (permalink)
NeilBlanchard
Master EcoModder
 
NeilBlanchard's Avatar
 
Join Date: May 2008
Location: Maynard, MA Eaarth
Posts: 7,907

Mica Blue - '05 Scion xA RS 2.0
Team Toyota
90 day: 42.48 mpg (US)

Forest - '15 Nissan Leaf S
Team Nissan
90 day: 156.46 mpg (US)

Number 7 - '15 VW e-Golf SEL
TEAM VW AUDI Group
90 day: 155.81 mpg (US)
Thanks: 3,475
Thanked 2,950 Times in 1,844 Posts
So, why do piston / connecting rod / crankshaft designs seem to hit the efficiency wall at 38%? What is holding them back from getting closer to the 54% theoretical limit? The beginning of this thread has about three new rotary designs -- do any of them look to exceed 40%?
__________________
Sincerely, Neil

http://neilblanchard.blogspot.com/
  Reply With Quote