BIELA PROPELLER ... BIELA-SPORT

  

The props of Biela-Sport type are new developed with laminar airfoil of the prop blades, similar to the EX-Racing series, but with blade shape more similar to the D type props. The efficiency is around 10 % better compared to the standard version, also there is a better motor cooling at lower speeds (e. g. torque rolls).

 

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