Recommendations on a step of a propeller for motor F2D15Top: in an optimum temperature mode it is necessary for good work of the motor that on the ground the motor twisted 29000...30000 rev/min, differently it simply «freezes» in flight.
The propeller with corners on blades is recommended:
- diameter of 160 mm - 8 degrees
- diameter of 140 mm - 10 degrees
- diameter of 120 mm - 14 degrees
If corners of a propeller not such - simply warm up a blade on a lighter (spirit-lamp) and twirl on the necessary corner, and then measure on a goniometer.