Why not make the main platter out of a piece of machined steel?
It would be easy to machine, and get to a perfect balance. While i am familiar with Delrin, as this is the choice material for many of the A arm suspension joints on race cars. Wouldn't you want something with a maximum amount of mass as the main table for speed stability, i am assuming this is at least part of the theory behind the value of the grovetracer subplatter? Or is there a fine line between "just enough" and "too much" as far as mass goes? The way the grovetracer sub-platter is designed, it looks like it is designed to provide a maximum amount of contact with the ball bearing, from the photos i have seen. It does not have a point but rather a concave tip that mates to the ball to increase surface contact and stability?, so the weight distribution to the bearing shouldn't be an issue, no?
Just wondering why carbon steel, or some other alloy isn't the more desirable solution, not trying to start anything, just wanting some knowledge.
Derlin is available in white, actually white is the color that is widely used on race cars, I would assume Frank could get some raw material in white?