If there's interest, I'll be sure to post some updates along this journey - starting probably with some CAD designs of the project. For a quick starting point, there's an old model in grabcad based on the books' drawings. However, I thought I'd throw out this open call to the community here in case somebody else has been looking at this before or would like to have a go at armchair lathe design :). There's been some efforts at various stages to improve on the lathe design itself - I've been scouring the internet for these for the past months. Side effect: I get a more usefully sized minilathe. Real handy, given the yanks' love of fractions. More precisely, 1 gingerian inch will be converted into 4 sensible centimetres. It's also got a heck of a lot more mass than alu.Ģ) I am scaling things up by about 1.575x. Two big changes I am making right off the bat to make things a bit more promising on that front:ġ) I am replacing the scrap aluminium with commercially produced, analysis-verified ingots of the ZL-12 alloy that has great bearing and vibration damping properties. Whether I can even beat the China lathes in my size class in end product remains to be seen. It isn't some misguided attempt at getting a lathe "the easy" or "the cheap" way :) And in anticipation of the likely thought in some of your heads - this is about the bootstrapping adventure, the side product of which is as good a lathe as I can reasonably make. I've embarked on the long and hard ride of building a lathe "from scrap", broadly following David J.
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