Long-tailed Duck

Description

701 mm duck ornithopter with Byme-D stabilizer.

Development Log

2020-05-07 — Long tailed Duck (Clangula hyemalis, unpainted) Maiden flight 07.05.2020 — motor: 1811 brushless motor gears: 66t0.4mMaingear , 7t0.4mPinionWire–56t0.4MspurGear , 10t pinionGear control: 2x. ES9251 II plastic gear servos wingspan: 701mm
2020-06-02 — Long tailed Duck (Clangula hyemalis) Test flights 02.05.20 — motor: 1811 brushless motor gears: 66t0.4mMaingear , 7t0.4mPinionWire–56t0.4MspurGear , 10t pinionGear control: 2x. ES9251 II plastic gear servos wingspan: 701mm battery: 2cell 180mah Lipo + 1cell 150mah lipo stabilizer: Byme-d receiver:RX2A PPM weight: 160g (without lipos 139g)
2020-06-04 — Long tailed Duck (Clangula hyemalis) Testflight in Park 03.05.20 — motor: 1811 brushless motor gears: 66t0.4mMaingear , 7t0.4mPinionWire–56t0.4MspurGear , 10t pinionGear control: 2x. ES9251 II plastic gear servos wingspan: 701mm battery: 2cell 180mah Lipo + 1cell 150mah lipo stabilizer: Byme-d receiver:RX2A PPM weight: 160g (without lipos 139g)
2020-06-14 — Long tailed Duck (clangula hyemalis) windy evening flights 12.06.20 — motor: 1811 brushless motor gears: 66t0.4mMaingear , 7t0.4mPinionWire–56t0.4MspurGear , 10t pinionGear control: 2x. ES9251 II plastic gear servos wingspan: 701mm battery: 2cell 180mah Lipo + 1cell 150mah lipo weight: 160g (without lipos 139g)
2020-08-04 — Long tailed duck (clangula hyemalis) flights on late evening 4.8.2020 — motor: 1811 brushless motor gears: 66t0.4mMaingear , 7t0.4mPinionWire–56t0.4MspurGear , 10t pinionGear control: 2x. ES9251 II plastic gear servos wingspan: 701mm battery: 2cell 180mah Lipo + 1cell 150mah lipo stabilizer: Byme-d receiver:RX2A PPM weight: 160g (without lipos 139g)
2020-08-18 — Long tailed duck (clangula hyemalis) flights 17.8.2020 — motor: 1811 brushless motor gears: 66t0.4mMaingear , 7t0.4mPinionWire–56t0.4MspurGear , 10t pinionGear control: 2x. ES9251 II plastic gear servos wingspan: 701mm battery: 2cell 180mah Lipo + 1cell 150mah lipo stabilizer: Byme-d receiver:RX2A PPM weight: 160g (without lipos 139g)