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Re: Rotary Gap Motors
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To: tesla-at-grendel.objinc-dot-com
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Subject: Re: Rotary Gap Motors
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From: Kristian Ukkonen <kukkonen-at-snakemail.hut.fi>
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Date: Mon, 11 Dec 1995 18:39:49 +0200 (EET)
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>Received: from snake.hut.fi (root-at-snake.hut.fi [193.167.6.99]) by uucp-1.csn-dot-net (8.6.12/8.6.12) with ESMTP id JAA19101 for <tesla-at-grendel.objinc-dot-com>; Mon, 11 Dec 1995 09:05:52 -0700
On Mon, 11 Dec 1995 tesla-at-grendel.objinc-dot-com wrote:
> I happened to be perusing my Fall 1995, C & H Surplus Catalog.
> They have some nice high speed DC motors that are ideal for
> variable speed rotary gaps.
>
> The motor that caught my eye is a 1 HP Carter, 10,000 RPM, 115
> volts -at- 10 amps. The price is $50.00
Of course, the motor above will do - but one can get old
washing-machine motors for free (or nearly free) and they
do have variable-speed drivers as the washing machine has to
do several angular speeds.. The one I have even has the
ability that it will first turn a while (seconds) at low speed and
after that switch to full set speed..
One might even get quite good set-up by using the skeleton of
the washing-machine as well and replace the drum with spark-gap
set-up.. :)
Yours,
Kristian Ukkonen.