I think you are right on. Height and duration are determined by weight and
energy of rubber. The only things I can think of that might cause a
deviation from strict proportionality in the smaller motor sizes are the O ring and
knot. If the O ring and the knot weight are deducted from the motor weight,
to get the "effective" motor weight, I would expect exact proportionality.
In what way does the time depart from proportionality? If you plot time
against motor weight, the effect of knot and O ring would be that there would be
a straight line, but it would have a negative intercept.
The only other thing I can think of is that the rate of change of torque
will differ and the planes dynamic response to that change could affect its
aerodynamics. These things move so slowly that I can't see that having much
effect, but who knows? There could be something in the propeller that is
sensitive to a different rate of deceleration.
Gary Hinze
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Received on Tue Dec 05 2006 - 01:28:05 CET
This archive was generated by Yannick on Sat Dec 14 2019 - 19:13:44 CET