Ornithoptera Priamus

Description

Animatronic replica of an ornithoptera priamus (birdwing butterfly)

Specification

Wingspan: 80cm Motor; 1811 3800kv brushless motor Gears; 21t0.5Mpinion- 72t0.5MspurGear,10t0.5Mpinionwwire-92t0.5MaluminiumMainGear Battery; 180mah 3S lipo Control; 2x DS-56MG Digital Micro Servo 1.6kg Receiver; 4CH FLYSKY receiver

Video

Enjoy some flights:

Development Log

2020-09-21 — ornithoptera Priamus test 20.09.20 — First Test. model was diffcult to Launch and Not possible to Control. wingspan 85cm Motor: 1811 brauhless Motor 3800kv gears: 66t0.4mMain gear,7t0.42mPinionwire–62t0.rm spurgear,10t pinion0.4m esc: 10a control: 2x 5.3g Metal servo Receiver FLYSky Micro plus Byme-D stabilizer
2020-09-25 — Ornithoptera Priamus Test flights 22. and 23.09.2020 — Gap between Wings has Been narrowed and Center of flapping made a Bit more down. Manoevreability is still much unsufficient because Control surfaces are too small and elastic wingspan 85cm Motor: 1811 brauhless Motor 3800kv gears: 66t0.4mMain gear,7t0.42mPinionwire–62t0.rm spurgear,10t pinion0.4m esc: 10a control: 2x 5.3g Metal servo Receiver FLYSky Micro plus Byme-D stabilizer
2020-09-29 — Ornithoptera Priamus Test flights 29.09.2020 — Gap between Wings has Been widened again with the effect of even lesser roll stability but better lift. also hind wings have been moved slightly more outboard which maybe increased thrust. wingspan 85cm Motor: 1811 brauhless Motor 3800kv gears: 66t0.4mMain gear,7t0.42mPinionwire–62t0.rm spurgear,10t pinion0.4m esc: 10a control: 2x 5.3g Metal servo Receiver FLYSky Micro plus Byme-D stabilizer
2020-09-30 — Ornithoptera Priamus Test flights with moon 30.09.2020 — flapping amplitude has been narrowed, to improve stability.. wingspan 85cm Motor: 1811 brauhless Motor 3800kv gears: 66t0.4mMain gear,7t0.42mPinionwire–62t0.rm spurgear,10t pinion0.4m esc: 10a control: 2x 5.3g Metal servo Receiver FLYSky Micro plus Byme-D stabilizer
2020-09-30 — Ornithoptera flapping test
2020-10-09 — Ornithoptera Priamus Test flights in light wind 09.10.2020 — irregularities in the wing resulted in making the model uncontrollable these were fixed by adding a little bit of weight on one wing, also tip of hind wing has been stiffened to improve stability and thrust. the model is controllable now, but still even light wind makes this model difficult to manoeuvre because forward swept wings have a tendency to be pushed downwind wingspan 85cm Motor: 1811 brauhless Motor 3800kv gears: 66t0.4mMain gear,7t0.42mPinionwire–62t0.rm spurgear,10t pinion0.4m esc: 10a control: 2x 5.3g Metal servo Receiver FLYSky Micro plus Byme-D stabilizer
2020-10-12 — Ornithoptera Priamus flights on calm evening 12.10.2020 — increased flapping amplitude again to 60degrees wingspan 85cm Motor: 1811 brauhless Motor 3800kv gears: 66t0.4mMain gear,7t0.42mPinionwire–62t0.rm spurgear,10t pinion0.4m esc: 10a control: 2x 5.3g Metal servo Receiver FLYSky Micro plus Byme-D stabilizer battery: lipo 2S 240mah+1S 240mah
2020-11-11 — Ornithoptera Priamus flights with painted underside of wing 11.11.2020 — wingspan 85cm Motor: 1811 brauhless Motor 3800kv gears: 66t0.4mMain gear,7t0.42mPinionwire–62t0.rm spurgear,10t pinion0.4m esc: 10a control: 2x 5.3g Metal servo Receiver FLYSky Micro plus Byme-D stabilizer battery: lipo 2S 240mah+1S 240mah
2021-05-31 — ornithoptera priamus flight in evening sun 31.05.21