Re: [ATM] metal surface on a ground ring?

["John Sherman" <atm@johnspics.com>]

Dave,

>Does anyone have any experience or comments on
>surfacing a ground ring with metal?

I made mine with matte formica on two layers of particle board. The wheels are skateboard wheels. It turns so well that I had to put a brake on it. The OTA is about three times the weight of yours. 

I'd expect if you used metal wheels on a metal track that you will notice every bug and bit of dirt that lands on the track. 

Long ago I made one with metal wheels riding on the same formica surface, about twice as heavy as yours. After a few years, it did make a couple of small dents in the formica where the underlying wood was weak. They were annoying!

John




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