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Old 05-16-2016, 06:52 AM   #64 (permalink)
PeterS
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Quote:
Originally Posted by ProDigit View Post
We're basically saying the same thing.
You mentioned that a twin is less efficient than a single cylinder.
That's basically what I have been saying.
Larger cylinders run more efficiently than smaller ones, as the surface area (cylinder walls) of a smaller engine are proportionally much larger than on a larger engine.
I mean to say, a single 250 is more efficient than a twin 250 (with 2x125cc), and more efficient than a 4 cylinder 63cc per cylinder.
Also more efficient than a 63cc at speeds where the larger engine isn't lugging.
Despite that the Honda 50cc racers were twins ....and remarkably successful.
The Velobanjogent: Honda 50cc Racers…RC112,RC113, RC114 & RC115
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