Re: Many questions

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

Original poster: "Crow Leader by way of Terry Fritz <twftesla-at-qwest-dot-net>" <tesla-at-lists.symmetric-dot-net>

Did you by chance get one of those Universal Voltronics ebay caps? Those
ones are for DC filter use, not AC. Large filter caps are always fun to have
though.

KEN

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Tuesday, October 08, 2002 12:12 AM
Subject: Many questions


> Original poster: "Jeremy Neuringer by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <jneuringer-at-hotmail-dot-com>
>
>
> I m a new coiler and have done a great deal of research to design the coil
I m
> currently implementing.  I ll give all the specs and then ask the
questions.
> (please keep in mind the only part actually built is the primary, the rest
can
> possibly be changed by recommendation) The coil transformer is a 15kV
450VA
> 30mA 60hz output neon light transformer. The capacitor is a 25kV .3uF box
> capacitor I bought off ebay.  The primary is 7 diameter 6 gauge copper
wire
> wound in a helix with 4.17 turns and approx 1.2 space between windings.
The
> secondary is 21AWG enameled magnet wire 1395ft wound on a 4.25 diameter
pvc
> pipe 39 tall.  It is tuned to approximately 177kHz. The top load is a 30
x6.25
> toroid.  The spark gap is a collection of 10-½ copper pipes (1.5 in
length)
> screwed to a piece of plexiglass with around .025 gap between each and a
fan
> blown over the top.  I got all these calculations by playing with the TC
java
> tesla designer. However I m not sure if this is going to work correctly.
The
> low amount of turns on the primary seems odd to me (I know if I use the
> recommended .066uF capacitor (by another java designer) it says to wind 18
> turns).
>
>
>
> Questions:
>
>
>
> Do you feel this should work?
>
> What wire should I use to connect it all together and what type of
connectors?
> I bought high voltage wire but it doesn t handle much current.
>
> Is the spark gap appropriate?
>
> What type of safety gap should I use?
>
> How can I discharge the capacitor so I can work on the coil safely? I
think
> shorting it would damage it. What can I use for a resistor to discharge it
more
> slowly?
>
> How and where should I ground it?
>
> Should I put a piece of Styrofoam in the inner part of the toroid and
cover it
> with aluminum tape?
>
> How should I connect the toroid to the top of the coil and should I leave
some
> blank pvc before the toroid?
>
> What do you recommend I use to coat the secondary?
>
> If you could change something on this coil, what would you change?
>
>
>
> Thanks for all your help,
>
>
>
> Matthew Morrissette
>
> MIT frat boy Sophomore in Comp Sci and EE looking for fun with a tesla
coil
>
>
>
>