#video #toread on adding gears to #bicycles with #3D-printing #mechanisms. The script seems to be AI #slop. The single-speed drivetrain design seems to be a useless gimmick with no technical advantage, and it adds a lot of weight to the bike, but the fabrication technique advice seems solid.
on 02025-10-16#SunShine accidentally made an e-bike by #3D-printing; apparently he just drives the rear rim with a 3-D printed helical gear driven by a drone motor held in place with some T-slot aluminum extrusions. #bicycles #video
on 02024-04-04putting a giant propeller on #bicycles #video #toread
on 02024-04-03#mechanical chainless string-drive #bicycles #video
on 02024-04-03