Re: vttc

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "rheidlebaugh by way of Terry Fritz <twftesla-at-qwest-dot-net>" <rheidlebaugh-at-zialink-dot-com>

Claude; I use 3 primaries ( seperatly selected) a flat, a solonoid, and a
cone. My secondary is mounted so I can change the highth in the primary
easly to ajust coupling. at times I must place a short piece of , next
larger, PVC pipe betweem my primary and secondary to stop arc over. You
could try this. My tube TC requires closer coupliing than my spark gap TC. I
asseme this is because the tube is much lower current drive. The copper
requirement of a flat coil is about 3x that of my solinoid coil. 75 ft as to
35 ft. If you wind a flat coil buy plenty of wire, youll nead it.
  Robert  H

> From: "Tesla list" <tesla-at-pupman-dot-com>
> Date: Mon, 31 Dec 2001 23:57:29 -0700
> To: tesla-at-pupman-dot-com
> Subject: vttc
> Resent-From: tesla-at-pupman-dot-com
> Resent-Date: Tue, 1 Jan 2002 00:15:10 -0700
> 
> Original poster: "claude masetto by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <claudmas-at-optusnet-dot-com.au>
> 
> Hi to all,
> I have been playing around with tube coils for a while, and trying for
> longer sparks. My secondary is 3.5"x13" and primary of 6" and producing 28"
> sparks. I wound a 4.25"x17" secondary and am using a 6" primary. The
> coupling is much closer and have noticed that with this setup I can achieve
> the same spark length, but with less power input and the tube plates dont
> glow as much.
> Seeing I have plenty of power up my sleeve I turned up the variac in the
> hope of getting longer sparks but found that I'm getting flashovers to the
> primary and grid coil. I assume this is because of the tighter coupling. I'm
> thinking of winding a flat primary to overcome this problem but then where
> would the grid coil be placed. Has anyone had experience with flat primarys
> on tube coils and do they work just as well.
> Help and advice is welcomed.
> Claude.
> 
> 
>