RE- Re: Rotary Gap

From: 	Edward V. Phillips[SMTP:ed-at-alumni.caltech.edu]
Sent: 	Tuesday, August 05, 1997 2:20 PM
To: 	tesla-at-pupman-dot-com
Subject: 	Re:  RE- Re: Rotary Gap

"        Upon removal from the oven I immediately soak the pine
        board in insulating material (I prefer paraffin dissolved
        in naphtha, but low viscosity epoxy or polyurethane should

        After a good soak, I remove it and let it dry.
	It has been my experience that under these conditions pine
tends to change dimensions somewhat, even if it seems to be perfectly
dry to start with.  Therefor I soak it in (very hot, to get out the
air trapped in the wood) paraffin and THEN cut or turn to exact
	This seems to work fine.