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RE: Small power supply and static spark gap



Original poster: "Lau, Gary by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Gary.Lau-at-hp-dot-com>

The plastic construction, dimensions, and ratings sound like your unit is a 
solid-state inverter, with a high frequency AC output.  They're 
inexpensive, compact, and lightweight, but these cannot be used to power a 
coil.  What you need is a simple core and coil transformer.  If dropping it 
on your foot would break a bone, then it's the right kind ;-)

Spark gap coils are most efficient with higher voltages, but my mini coil 
uses a 4kV/20mA transformer and it works quite well.

The suggestion "THESE UNITS BEST OPERATE AT LOADS OF 4KV OR LESS" is 
certainly confusing, I have no idea, but it casts further doubt on the 
unit's suitability in powering a coil.

Regards, Gary Lau
MA, USA



-----Original Message-----
From: Tesla list [mailto:tesla-at-pupman-dot-com]
Sent: Monday, December 09, 2002 7:04 PM
To: tesla-at-pupman-dot-com
Subject: Small power supply and static spark gap


Original poster: "Michael Quarles by way of Terry Fritz 
<twftesla-at-qwest-dot-net>" <mquarles-at-qusion-dot-com>

I am new to Tesla Coils.  I am trying to learn all I can by reading
pupman-dot-com and other websites.  My son and I are going to make one for a
science project.
Unlike most of you, I am not trying to make the large most power spark I
can.  We will be show this in an audatorium with other sceince projects and
I need it to be as safe as possible.

This is the transformer I ordered:

Marshall Electric Neon Power Drive
Dimension: 6.5" x 3" x 2". Input Voltage: 110 Vac, 1.5A, 60Hz, Output
Voltage/Current: 2KV - 6KV 30mA bright, 2KV - 6KV 20 mA dim. Construction:
Molded high impact plastic housing. Adjustments required: None. Temperature
range: 35 Deg F to 120 Deg F
THESE UNITS BEST OPERATE AT LOADS OF 4KV OR LESS

Will this work for a TC?  I real somewhere that 6KV is the min you can use
with a static spark gap.  Is this true?

What does it mean "THESE UNITS BEST OPERATE AT LOADS OF 4KV OR LESS"?
I thought a load draws amps not voltage.