Видео ютуба по тегу propellers

The Illegal Propeller Trick That Saved WWII Bomber Crews

The Illegal Propeller Trick That Saved WWII Bomber Crews
Mini Drone Motor Thrust Test With Different Propellers | How To Check Thrust of Coreless Motor

Mini Drone Motor Thrust Test With Different Propellers | How To Check Thrust of Coreless Motor