Propellers for P30
The rules for P30 state:
1.4. The propeller shall be a commercially available plastic freewheeling propeller between 23 and 25 centimeters (9.05 and 9.84 inches) in diameter. Only the following changes will be allowed:
1.4.1. Flashing may be removed.
1.4.2. Balancing by the addition of weight to one blade will be allowed.
1.4.3. Enlarging the hole of the propeller hub will be allowed in order to accept a larger diameter shaft and/or a bushing cut from metal tubing.
1.4. The propeller shall be a commercially available plastic freewheeling propeller between 23 and 25 centimeters (9.05 and 9.84 inches) in diameter. Only the following changes will be allowed:
1.4.1. Flashing may be removed.
1.4.2. Balancing by the addition of weight to one blade will be allowed.
1.4.3. Enlarging the hole of the propeller hub will be allowed in order to accept a larger diameter shaft and/or a bushing cut from metal tubing.