Originally Posted by
Vridar
I use the hand crank referenced for boat cover repairs in situ. I concede the 1:1 would get tiresome for what most machines are used for. 1:1 with a largest hand wheel or extension to max diameter permitted would give enough torque for minor use. My rotator cuff would suffer, however.
Edit: I see Miriam has answered the 1:1 concern more succinctly than I in post #12.
I think it also depends on what you are sewing. If you are sewing leather ends on an occasional suspender a 1:1 would work just fine and it would be easier on the machine. Your rotator cuff won't give out that quick. For kids they don't last long no matter what.