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Re: [TCML] Twin Coil Prototype at Maker Faire
Hi Greg,
Wow! 105" tall secondaries! That's nearly 9 ft. tall. I didn't
realize from watching the video that the secondaries themselves
were that tall. I wish that I had the available overhead clearance
in my garage just to allow storage, not to mention operation, of
beasts of that calibre ;^) 8 ft. celings don't allow for housing
beasts like that. As a matter of fact, I have to "decapitate" the
top load from my Green Monster coil system to wheel it in and
out of my garage door for setup and operation.
http://youtube.com/watch?v=eWZD3M-nye8
Not the best video quality and I have since improved the ope-
rational smoothness and power by further mods to the ARSG
(no more racing sparks, either) ;^) but this should give a good
idea of my coil's operational perfromance. The top of the toroid
is about 7.5 ft. above ground level.
David Rieben
----- Original Message -----
From: "Greg Leyh" <lod@xxxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Tuesday, May 06, 2008 9:17 AM
Subject: Re: [TCML] Twin Coil Prototype at Maker Faire
Hi Terry,
They're fairly straightforward coils, secondary form is 24"x105", toroid
is 11"x55". These dimensions are 1:12 scale of the 12-story NLL design.
These prototype coils are used mainly to test design concepts for the
NLL coils. The primary drive is the conventional C-switch-L scheme,
with IGBT's in place of a spark gap for improved efficiency and control.
The primary operates at 3kV, 4.5kA. Currently, the system can produce
an 18ft point-to-point arc with about 6kW input power. Although the
prototype operates from either single or three-phase power for
convenience of demonstration, the final NLL design will use a dedicated
six-phase, 20kV system. GL
Date: Fri, 02 May 2008 18:25:02 -0600
From: Terry Blake <tb3@xxxxxxx>
Subject: Re: [TCML] Twin Coil Prototype at Maker Faire
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Message-ID: <481BB0DE.1000304@xxxxxxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Hi Greg,
What can you tell us about the topology /design/specs of these coils?
Terry Blake
Greg Leyh wrote:
> Hi All,
>
> I'll be running the twin coil prototype at Maker Faire this year.
> http://www.lightninglab.org/concept/Integratron01.jpg
>
> Maker Faire is this weekend, May 3&4, at the San Mateo County
> Fairgrounds, San Mateo, CA. Here's the info for the Faire:
> http://makerfaire.com/
>
> Stop by if you're in the area. GL
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