Small tesla coil (1sq ft) findings
From: Malcolm Watts [SMTP:MALCOLM-at-directorate.wnp.ac.nz]
Sent: Thursday, June 18, 1998 4:31 PM
To: Tesla List
Subject: Re: Small tesla coil (1sq ft) findings
> From: Jeff Corr [SMTP:corr-at-enid-dot-com]
> Sent: Thursday, June 18, 1998 12:45 AM
> To: tesla list
> Subject: small tesla coil (1sq ft) findings
> Hello all... in order to have a tesla coil in my college
> dorm room next year :-) I had to construct a special one.
> It is mounted on a 12"x12" plywood section, the secondary being only
> 12" tall.
> The reason I post this here is I find it interesting this coil can produce
> 12" long sparks, the length of the coil itself.
> Just thought that someone else might be interested in duplicating this
> coil as it is small enough to carry anywhere, and still performs very
> Here are the specs :
> power level - 9kv, 30ma 270VA
> capactitor - .004uf , rated at around 12kv (physical dimensions 8" long, 3"
> in diameter)
> primary - helical, 10 turns of #20 solid copper, turns 1/8th inch apart.
> secondary 1.5"x12", #32 copper enambled.
> Spark gap, single gap, half an inch apart.
> No safety gap, no chokes, just neon, primary, secondary, gap, and cap.
This post makes me think it could be time to resurrect Robert
Stephen's suggestion of a competition for small coils. I would
definitely be a starter in the bang for buck stakes. Whatthinks?