Q6. Have you seen this dual-chain redundant drive system and would you want one?
(If not, have you seen any ultra-reliable designs or other unconventional drivetrains)
The unconventional drivetrains thing reminded me of these videos. Some of these drivetrains are downright bizarre. Strings? Who would ever think of doing that?
https://www.youtube.com/watch?v=3BHiZnB53pY
https://www.youtube.com/watch?v=DJYVkVfrl2Y
https://www.youtube.com/watch?v=r-Zyp6jX0HM
https://www.youtube.com/watch?v=doKhd8kE0Ow