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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