What about the Hydrogen plane ???
22:41
They taught a drone to fly - but how much does it EAT on a minimum ???
14:37
Самолеты на ядерном двигателе. Фантастика?
26:15
Balancing machine for homemade turbines - shamanism or fortune telling - which is better ???
18:58
I invented a NEW ENGINE (New Rotary Design)
20:07
Unmanned Aircraft - Long Range Made in a Small Garage - First Awkward Attempts
26:57
"Космические" механизмы. Проверяем работу конструкций из "запрещённых" видео. Проекты Амперки.
17:37
ВОДОРОДНАЯ БАТАРЕЯ Своими Руками - Бесконечная энергия!
18:04