Whirlygig 3" 4S V2

By Kstone on Jul 14, 2019

9  285  0

Redesigned (https://rotorbuilds.com/build/18331) with custom canopy and TPU mounts for Runcam Micro / VTX.

Specs / Estimations
Thrust of each motor: 273 g (819 total)
Copter Weight: 91 g
Lipo Weight: 55 g (4S 450mAh)
Total Weight (with battery): 146 grams
Thrust to Weight Ratio: 5.61
Racing Flight Time > 5 minutes
Hover Flight Time: > 17 minutes

Hardware
Matek F405-Mini Flight Controller
Bluebird BMS-101HV Servo (19 tooth spline)
Aikon 4in1 ESC 35a 6S
Mini 360 micro BEC (5v, Flight controller)
Mini 360 nicro BEC (7.5v, Servo)
Emax RS1106-4500kv Motors
AVAN Mini 3" Props
RunCam Micro Swift 2 and RunCam TX200U
Frsky R-XSR Receiver
Zip-ties, < 2.5 mm wide & 1 mm thick
3M 20 mm Aluminum Stand-offs

9-16-2019:

9-3-2019 Flight on very windy day.

Yaw tuning Step-Response testing:

Photos

Discussion

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