2017-01-21 9:07 GMT+01:00 <[email protected]>: > Some months ago, I remember a good quality internet video (youtube, perhaps) demonstrating a simple rectangle propeller while running (jogging) in public parks and nice places, or just getting advantage of the wind... It was quite beautiful. It included instructions for the propeller (a single tray, below I describe it better). > > Now, I just can't find it. Perhaps someone there on the O-list has seen it and remembers it... Or something similar. If it is so, please let me know.
Sounds to me like the video by Alexander Kurth: https://youtu.be/nMpR3IbouF8 Nice Greetings Anna
