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Re: Wimshurst (tesla coil current)
Original poster: Ed Phillips <evp-at-pacbell-dot-net>
Tesla list wrote:
>
> Original poster: Finn Hammer <f-h-at-c.dk>
>
> Wimshursters:
>
> I have had fine results using FR4 PCB material as disks for Wimhurst
machines.
> The prototype vas just plain PCB, home etched in ferrochloride. The next
> batch were professionately made, goldplated sectors and soldermask, both
> for "boy, does that look good" effect.
> Makes it easy to have 48 exactly placed sectors. The neutralizing points
> were small roundheaded screws, and although they promoted interdisk spark
> formation at the low voltage end of the machine, they started up easily,
> and produced as much spark as the acryllic disked machines that they
> replaced. Sectors don`t fall off these disks.
> I also deviced a drive layout with only one long belt, which does not have
> to be crossed at one of the disks. This saves the machine from becoming
> covered vith rubber dust in time.
> This is getting OT, so if anyone is interested in this belt layout, I`l
> describe it in more detail on the high viltage list where it belongs.
>
> Cheers, Finn Hammer
How do I get at the high "viltage" list? Very much interested in the
approach but suspect Terry will kick it off here pretty soon.
Ed