[TCML] Re: Hello. New Coiler needs advice.

["Ron Slack" <owlman.ron@xxxxxxxxx>]

Thanks for the replies.  I guess I'll forget about the bleeders for the time
being. the bottle caps are basically just a temporary fix until I get a
proper MMC.  (perhaps that's where some of my tax return will go :)  I'll
just have to manually discharge after each run.

Also it appears that I really messed up on that primary coil mock-up in
Javatc :o  please disregard that, as it makes no sense. :)

Thanks,
Ron

On Thu, Dec 18, 2008 at 7:14 PM, Ron Slack <owlman.ron@xxxxxxxxx> wrote:

> Hello All,
>
>    I'm an EE Student looking for a unique hobby, and coiling seems to fit
> me perfectly.
>
> I've been reading all I can find online for the last few weeks, including
> many of the posts to this list.
> I'm starting to come up with designs for my first coil using a 15/30 NST I
> got used from a local sign shop.
> Javatc says I need a LTR cap of 8nF for my tank. My plan is to use 5 wine
> bottle caps at a value of 1.55 - 1.62 nF each.
> Is there a good way to put a bleeder across caps like this?
>
> Also, I'm a little fuzzy on the design of my spark gap.  playing with
> javatc for a bit, I came up with this:
> ----------------------------------------------------
> Static Spark Gap Inputs:
> ----------------------------------------------------
> 8 = Number of Electrodes
> 1 [inch] = Electrode Diameter
> 0.28 [inch] = Total Gap Spacing
>
> ----------------------------------------------------
> Static Spark Gap Outputs:
> ----------------------------------------------------
> 0.04 [inch] = Gap Spacing Between Each Electrode
> 21213 [peak volts] = Charging Voltage
> 20390 [peak volts] = Arc Voltage
> 34333 [volts] = Voltage Gradient at Electrode
> 72822 [volts/inch] = Arc Voltage per unit
> 96.1 [%] = Percent Cp Charged When Gap Fires
> 10.312 [ms] = Time To Arc Voltage
> 97 [BPS] = Breaks Per Second
> 1.66 [joules] = Effective Cap Energy
> 0 [peak volts] = Terminal Voltage
> 161 [power] = Energy Across Gap
> 31.9 [inch] = Static Gap Spark Length (using energy equation)
>
>
> is it a good idea to have my arc voltage this close to Vpeak or should I
> close the gap a bit more?
> I figure if I set my safty gap just a little higher than .28"/2 for each
> side to ground I should be good.
>
>
> for my primary I plan to use
>
> Primary Coil Inputs:
> ----------------------------------------------------
> 7.5 = Radius 1
> 13.5 = Radius 2
> 0 = Height 1
> 0 = Height 2
> 12.5 = Turns
> 0.25 = Wire Diameter
> 0.008 = Primary Cap (uF)
>
> with a 6" by 30" secondary winding, altough I have yet to get some magnet
> wire.
>
>
> Thanks,
> Ron
>
>
>
>
>
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