Twirl RC autogyro second flight

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Nice sunny day. Low wind about 3 km/h, perfect for another flight of Twirl radio controlled gyrocopter model. Magpies come to inspect it in flight. It is well built and I did not spot any issues. Only thing is, motor power is not fully utilised. Power rating is 60W but it seems that does not produce enough thrust comparable to my Jupiter Kwirl coaxial rotors autogyro. For next flight I am going to try APC propeller 8x4.7 SF instead of APC 8x3.8 SF.