Flying bike on telly- Bang Goes The Theory

Use this board for general non-cycling-related chat, or to introduce yourself to the forum.
User avatar
gaz
Posts: 13668
Joined: 9 Mar 2007, 12:09pm
Location: Kent, car park of England

Re: Flying bike on telly- Bang Goes The Theory

Postby gaz » 9 Aug 2019, 5:42pm

Hand wash only. Do not iron.

User avatar
cycleruk
Posts: 5177
Joined: 17 Jan 2009, 9:30pm
Location: Lancashire

Re: Flying bike on telly- Bang Goes The Theory

Postby cycleruk » 9 Aug 2019, 8:38pm

kwackers wrote:That's quite impressive but why four large rotors? Surely smaller, faster rotating rotors would reduce the size of the arms and thus the weight by quite a lot.
Need some technical background.

Size matters.
Large wings are more efficient than small ones.
Large propellers again are more efficient than small ones.
There's no such thing as a tailwind.
It's either a headwind, or you're going well.