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Old 08-07-2012, 04:21 PM   #4 (permalink)
theycallmeebryan
Master EcoModder
 
Join Date: May 2009
Location: New Jersey
Posts: 389

2003 Ninja EX250 - '03 Kawasaki Ninja EX250
90 day: 78.57 mpg (US)

Saturn - '99 Saturn SL1 Base
90 day: 47.27 mpg (US)
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Quote:
Originally Posted by woodsrat View Post
Any of you engineer types care to do some math work and determine if a 650 class single or twin is efficient enough to achieve 100 MPG or more with proper streamlining in real-world riding conditions?
I would need to see the BSFC chart for the motor to determine whether or not it could happen. CdA, Rolling resistance, and weight do not care what size motor you have, rather whether or not it can produce the power it needs to get moving or stay moving.

I'd say with good aero and efficient driving (accelerating at peak BSFC, limiting your stops, etc), it should be possible.
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