10 23 2023Coaxial helicopter test fly

[@petersonpereira8692]

Meu sonho e ter uma máquina dessa!

[@mitchsterling3266]

where is this river?

[@PavloLukashuk]

I am amazed ❤, especially considering that it is a home-made helicopter ! 👍

[@PavloLukashuk]

Unbelievable ! 👍

[@aliasmari]

Great job 👏

[@aliasmari]

What is the rotor pitch angle?

[@olivocassutti3761]

Ciao Jingxiu Yan m,olto bello, ma come fai a girare a destra e sinistra.

[@user-fs9lm2sh6x]

Схема соосных винтов изменяет курс, путём изменения шага угла атаки одного и другого винта!