Mitchza89 wrote:I now use hand machined aluminum. It's very easy to machine on a wood lathe, it just takes a little more time.
Have you considered using material with a lower specific gravity? The same force on 1/2 the mass = twice the speed.
Aluminum = 2.55 - 2.8
Polyethylene = 0.97
Nylon 6 Cast = 1.16
Brass = 8.4 - 8.7