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Thread: Contra Rotating Propeller Drive for f3a 2m Pattern Planes
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Old 02-14-2015, 06:07 AM
  #1372  
andreyengin
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Hi Brenner,thanks,
Yesterday i made 5 test flight, weight of model with battery (4500ma -1060gr) 4610gr. I am installed gear ratio 10,33 and props 22x18 front,22x20 rear with NEU F3A motor.The rudder deviation with contra really small,.Plane flight very straight without any mixer, can fly very slow.The next steps adjustment rudder shape and flight condition.A few photos and video( quality video is poor)












https://www.youtube.com/watch?v=jKfywdpD4Vk


https://www.youtube.com/watch?v=HQkq9WW7dtA


https://www.youtube.com/watch?v=Fl4b3JmU1ns
Last edited by andreyengin; 02-14-2015 at 06:45 AM.
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