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Re: DC motor (fwd)



---------- Forwarded message ----------
Date: Wed, 1 Aug 2007 23:06:34 +0100
From: Chris Swinson <list@xxxxxxxxxxxxxxxxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: DC motor (fwd)

> I had a motor from a vacuum cleaner that was AC/DC.  It worked great when
> the TC was turned off, you could vary the speed using a dimmer switch or a
> variac.  But when the TC was turned on, interference stopped it from
> turning.  Some good shielding might have fixed this, but a simple grounded
> aluminum foil shield did nothing.  Thanks.
> Scott Bogard.



I had the same problem, its RF from the secondary being picked up by the 
small choke in the dimmer. But my RSG spun flat out when the coil was 
running.

Chris