Crank?
Put it in a lathe and cut the counterweights as needed. How far you go depends on the bobweight that you are shooting for. The edges need a heavy chamfer to clear the block. I think I covered this about 20 years ago in the 451 Manifesto!
Put it in a lathe and cut the counterweights as needed. How far you go depends on the bobweight that you are shooting for. The edges need a heavy chamfer to clear the block. I think I covered this about 20 years ago in the 451 Manifesto!
