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Re: [ATM] Alternative to lead?
The metal strip better be iron or steel. Aluminum, brass or copper
being non magnetic won't work.
Jarvis Krumbein, <jkoptic@juno.com>
On Sun, 11 Jul 2004 14:31:17 -0400 artbianconi@blast.net writes:
> Wish I could take credit for this idea. I can't
>
> Ceramic magnets are quite popular in audio speakers and. the higher
> the
> wattage rating of the speaker, the heavier the magnet that is needed
> to control
> the voice coil.
> Attach a metal strip in a place on the tube that is easily reached
> and at a spot
> where the cg of the system can be system can be influenced. Space
> that metal
> strip so it brackets the existing CG and attach it with velcro or
> double sided foam
> tape. Now balance the telescope simply by sliding the speaker magnet
> in
> whatever direction gets the job done.
>
> Art Bianconi
>
>
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