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Xoar PJH F3A propeller has a unique blade design to optimize for F3A competition. For F3A competition, the Aircraft requires constant speed during climbing and cruising with low noise level. The size of the aircraft is required at 2m x 2m, weighed at …

Contra Drive to design and build counter rotating propeller drives for discriminating model airplane racers.

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F3A Contra Rotating Propeller Drive System for use in F3A Pattern Competition SKU: Contra-Rotating Propellers eliminate the gyroscopic effects that exist when flying with a single propeller.

Home > R/C Propellers > Electric Props > PJH-E Beechwood Prop for Electric F3A Competition Description Please Note: Final balance check is suggested before flight due to external factors such as temperature, handling during transit may vary the balance of the propeller.

Nov 29, 2012 · For those pilots who are using Neu f3a motors, we have encountered an instance of the motor rotor being assembled incorrectly, causing the drive splines to be recessed about 2.5mm into the motor housing.

Xoar's hand crafted propellers are designed for the best performance and efficiency in F3A electric applications. CNC designed and manufactured, made of the finest materials.

Dec 21, 2024 · I just started a thread in the Modeling Science forum to discuss the science behind a competitive F3A design. I would love any input from anyone flying pattern models. Please join in on the thread.