для такого самоля вам подойдет такой движок с винтом 9х4,7. ВИНТ НЕ БОЛЕЕ!!!
Почему не более ?? У вас я так понял был\есть этот мотор , тягу не замеряли ?
Prop |Volts| Amps| RPM | Thrust
None 12.3V 1.1A 13540rpm
7x5 11.4V 6.8A 10971rpm 430g
8x3.8 11.0V 10.5A 9346rpm 625g
9x4.7 10.7V 12.2A 8574rpm 730g
9x6 10.7V 17.0A 7171rpm 380g
10x3.8 10.4V 16.0A 6717rpm 850g
с бОльшими пропеллерами не эффективно будет работать
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