Wednesday, October 29, 2008

Freewing F35






















This EDF plane is significant smaller in size from most EDF plane, GWS plane, Mirage 2000 .etc.
The stock included EDF 64 5 blades, in-runner brushless with a large heat sink.

No landing gear was designed for this tiny and I am tempted to build a steerable landing gear for her. The decal is superb in appearance.

2 servos for Delta setting of aileron and elevator.

RTF weight ~290g, without lipo. With all the landing gears and extra serovs, it weights 309g.
I put in a 2200mAH 3s lipo that weight 178g. Wing loading will be expected to be high. So landing should be done at relative higher speed.
The stock power system drew 28A@11.7V at full throttle, with thrust ~600g. EDF thrust to power ratio about 1.6g/W.

Thrust tube added- to reduce nose down turbulence due to low pressure zone above elevator , and to reduce exit nozzle 5 4mm. (stock 58mm resulted in high thrust but low terminal velocity)