Interesting project.
How are you going to control the spacing on the coils so they are uniform?
On both the DiAcro and the Porter, the arbor is moving at the desired rate to get the spacing.
When you use a metal lathe to make springs you set the feed rate so your tool post moves at the desired speed to get the spacing.
Not sure how you'll do either of those methods using a fixed arbor on a wood lathe.
Of course you can always control the spacing by hand which is what I'm guessing you did, but it would probably take a fair amount of practice to get evenly spaced coils.
Keep us informed on this project.
And yes I know I'm terrible about getting you information :rolleyes: