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Re: Fiberglass Secondary Coil Form Idea
In a message dated 5/28/2000 10:03:02 PM Mountain Daylight Time,
tesla-at-pupman-dot-com writes:
> Original Poster: "Richard Kircher" <richard.kircher-at-worldnet.att-dot-net>
>
> All, It would seem that a fiberglass secondary coil form made from
> fiberglass cloth and resin over a form such as cardboard or PVC would be
> ideal. Two layers of fiberglass cloth over a temporary cardboard or PVC
> form should be strong enough. The cardboard form could be removed by
> soaking in water to dissolve it out and the PVC could be covered with wax
> paper no avoid sticking so it could be removed. The result could be sanded
> or turned smooth. Has anybody tried this or know of a problem with this
> method? Dick
>
Seems like a lot more work than just buying a pvc or sonotube form. Also, I
don't know just how much it might affect performance, but glass, as a
dielectric medium, has a high dissipation factor at radio frequencies so it
might degrade the performance of your coil.
My two cents,
Mike