As an alternative, the folks at Tools for Working Wood have been developing a foot-powered lathe w/ a flywheel: https://toolsforworkingwood.com/store/item/GT-L

As an alternative, the folks at Tools for Working Wood have been developing a foot-powered lathe w/ a flywheel: https://toolsforworkingwood.com/store/item/GT-LATHE.XX/Introducing+the+Gramercy+Tools+Folding+Portable+Treadle+Lathe https://toolsforworkingwood.com/store/item/GT-LATHE.XX/Intro... which kind of makes me want to repurpose my wife's (unused) stationary bicycle...