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Old 02-18-2008, 02:18 AM   #10 (permalink)
metroschultz
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Join Date: Dec 2007
Location: Norfolk, Va. USA
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CPT SLO - '93 GEO Metro plainjane
90 day: 53.91 mpg (US)

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Quote:
Originally Posted by Frank Lee View Post
Linky says no.
I'd also imagine FE to be pretty bad, with crazy rpms at highway speeds.
Thats the great thing with bike motors.
Infinite gearing possibilities.
Just change one gear @ a time and record results.
It appears to be 4:1 right now.
10 teeth on tranny 40 teeth on diff. (as best as i can count from the pics)
say you're twisting 6500rpm @ 60mph
Change tranny gear to 12 teeth and you are down to 3.33:1
now your twisting 4875rpm @ 60mph
add infinitum.
what a great way to increase engine load by reducing rpm @ speed.
if load gets too great you just change back up.
If the engine would produce enough torque you could lope down the highway @ 60mph twisting ~ 1500rpm.
That'd get you real close to 100mpg.
Just another way of looking at the equation.
Have fun.
S.
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