[TCML] Inductor Construction
quarkster at att.net
Sun May 31 23:52:10 MDT 2009
Tyler is not trying to create a parallel multifilar winding, he is just
trying to quickly and easily connect all the physically-parallel conductors
in the cable into electrically series-connected conductors. Since all the
conductors "start" at one end of the cable, and all "end" at the opposite
end of the cable, I don't see how one can "easily" connect the end of W1 to
the start of W2.
A sketch showing exactly how you could the connect the end of W1 to the
beginning of W2, etc without completely disassembling the cable into
individual conductor segments might help me to visualize your concept.
----- Original Message -----
From: "David Speck" <dave at davidspeckmd.org>
To: "Tesla Coil Mailing List" <tesla at pupman.com>
Sent: Sunday, May 31, 2009 7:17 PM
Subject: Re: [TCML] Inductor Construction
> What you are proposing is to create a multifilar winding. Bifilar
> windings (two wires in parallel) are relatively common. I've seen magnet
> wire offered with 4 conductors bonded together. No reason you couldn't do
> If you arbitrarily number your wires 1 through 6, just apply power to the
> start of winding 1 (W1), connect the end of W1 to the start of W2, the end
> of W2 to the start of W3, and so on. Power comes out of the end of W6.
> Only downside is if there is a thick insulation jacket around the overall
> cable. It will take up space and trap heat. Also, generally, jacketed
> cables are more expensive per net foot of conductor than a single
> conductor. Still, if you can get the stuff cheaper than a roll of 8 Ga
> THHN at Home Depot, go for it!
> Tyler Pauly wrote:
>> I apologize for my rustiness with classical physics, but here's the
>> I'm building an inductive ballast for a pole pig; the plan is for 200-300
>> turns of 8 gauge around a PVC pipe, with some welding rods taped together
>> into a long bar sliding in and out of the PVC form.
>> My question arises because I found a supplier of some cable that has 6
>> strands of 8 gauge insulated copper wire inside. Would I be able to
>> somehow splice the input to connect to all 6, then use say 50' of the
>> cable to get 300 turns effective?
>> Is this feasible or not?
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