Funny remark about it being silent. In the text they mention that it's silent when it's gliding. Well, duh... in the video they say it's just silent. If you lo

Funny remark about it being silent. In the text they mention that it's silent when it's gliding. Well, duh... in the video they say it's just silent. If you look up a video on youtube, you'll hear that the propeller still cause a lot of noise. So it's only more silent from the ground.