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Re: [TCML] Finished: New 600bps Rotary, Power Controller + Variac for DC resonant charging TC

It is possible to keep the wood far enough away from the gap so that it will not catch fire. A spinning rotor will make enough of a draft to keep the wood from hearing significantly.
IMO, wood is a suitable material because it is sufficiently elastic and deformable that it will catch and hold fragments rather than having them bounce off and ricochet in random directions. Perhaps a soft wood, like balsa, or something like old fashioned Homasote (it they even still make that any more) would be even more suitable. 

Dave

On 10/20/2014 5:38 AM, krux@xxxxxxxxxx wrote:

However, if an electrode breaks off the disc, it will fly away like a bullet,
possibly causing serious injury. I would suggest that you enclose your rotary
gap in a strong wood frame around the rotating part.  I would use 2 x 6 or 2 x
8 boards in a square around the rotor.  The rest of the system may remain open
for cooling.

Isn't that the part that makes the really hot sparks?  While I agree some
sort of blast shield around your rotary spark gap is an excellent idea, I'm
thinking wood is probably not the best choice of material for that.


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