Front Ends
The P30 rules require the use of an unmodified 9.1-.5 inch propeller. The propellers that are available have a ramp molded into the front of the propeller which allows it to freewheel (spin with the airflow) when the rubber has expended its turns. These ramps often fail so many aeromodelers have designed their own. Several are available commercially.
Build Your Own Front endsR. Pangell's Front End from the NFFS Technical Library
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Commercial Front Ends |