Drone Photo Awards 2021. Best drone photos and videos

29 Сен 2021, 11:44

The winners of the Drone Photo Awards 2021, the most popular international competition for aerial photography from quadcopters, were announced the other day. For the fourth year in a row, the best images taken by drones were chosen.....

The best drone photos of 2017 at the International Drone Photography Contest

8 Дек 2017, 18:14

Dronestagram, the first social network dedicated to drone aerial photography, is now in its fourth year of a photo contest in partnership with National Geographic.

Effect of LiPo battery temperature on its resistance

7 Фев 2018, 14:10

This review explains the effect of low temperature on chemical reactions inside battery cells and resistance performance.

Video explanation of the principle of operation of the collectorless motor

9 Авг 2015, 13:13
Video explanation of the principle of operation of the collectorless motor

This video gives the basic concepts of the principle of operation of collectorless motors, which are often used in RC models.

In RC brushless motors (or brushless motors), the third winding acts as a position sensor (Hall sensor) when it is not energized.

Видео-поясниение принципа работы бесколлекторного мотора

Comments

briareos8 Ноя 2021, 13:33
Видео не доступно
0
flewerty8 Ноя 2021, 13:39
briareos, Обновили
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