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Re: Cable question
From: doug swanson[SMTP:des-at-ellijay-dot-com]
Sent: Friday, January 02, 1998 6:11 AM
To: Tesla List
Subject: Re: Cable question
> 4. Get spark plug wire, from an auto parts store.
Spark Plug Wire is a misleading term.
More often than not, spark plug wires have no wire in them, but a carbon
fiber sort of conductor. Also, the additional resistance used to
suppress RF may be more resistance than you might want to put into your
system.
doug
>
> They'll all work fine. The neon stuff with the black flame retardant
> jacket over the polyethylene insulation is the safest bet, buy the TV and
> spark plug rubber-insulated wire have the advantage of being more
> flexible.
>
> >Also what kind of cable should I use to connect the Tesla tank components.
> >I presume there's quite a large current flowing through here and neon cable
> >can't hack it.
>
> That's an understatement. 100's of amps and 14 gauge wire are a bad
> match indeed. I use 1" copper strap for my tank, recommended to me by
> Gary Lau, and it is a noticable improvement over the 8 gauge Monster car
> audio cable I was using previously. The bigger your coil, the larger the
> tank wiring needs to be. What size are you building?
>
> >And finally what kind of wire should I use to wind the chokes?
>
> For air core chokes, HV enamel covered is best. Double Formvar wire that
> is used for secondaries is suitable. I don't recommend air core chokes,
> since you need to make them huge to get the right value. Small air cores
> tend to self-resonate due to the high inter-winding capacitance. They
> are mini-TC's in their own right.
>
> For ferrite and iron powder chokes, PVC jacketed hookup wire or stripped
> RG58 (50 ohm coax) are most common. Of course you need to keep the clear
> plastic part of the RG58 :-).
>
> -Adam
>
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> Adam Smith
> absmith-at-tiac-dot-net
> Epoch, Inc. Digital Music Project
>
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