Jeff,
I ask for clarification of this rule as it pertains to the LPP Postal
Contest:
21.3.6. No gadgets of any kind are permitted on the model (i.e., variable
pitch props, automatic incidence changing mechanisms, etc.).
My question is whether a prop that is intended and designed to flare, either
positively or negatively, through the normal torsion of the prop material,
under flight loads, would be considered a "variable pitch prop" and therefore
a prohibited "gadget" under this rule.
I ask this in consideration of parallel language in the EZB rules:
19.2.11. It is prohibited to use any scheme, device, or mechanism which
affects the rate of energy release from the rubber motor, except for propeller
blade flare or deformation.
I cite this because it shows that where the intent of the rule maker was to
allow flaring props, it was stated in the rule. That it is not so stated in
the LPP rules suggests that it was not the intent of the rule maker to allow
flaring props.
I have no preference whether flaring is or is not allowed. I can fly under
either interpretation. I request clarification because I don't want to
violate the rules nor do I want to neglect an opportunity to optimize my propeller.
Thank you,
Gary Hinze
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Received on Fri Mar 23 2007 - 23:25:32 CET