Original poster: "C. Sibley" <a37chevy@xxxxxxxxx>
I've heard several mentions of the McMaster-Carr
insulation spray but cannot find it on their web page.
Can someone in the "know" post a link or catalog
number?
Thanks,
Curt.
--- Tesla list <tesla@xxxxxxxxxx> wrote:
> Original poster: "D.C. Cox" <resonance@xxxxxxxxxx>
>
>
> You should sand the tube inside and out and apply a
> HV insulating
> varnish both inside and out. Usually 2-3 thin
> coats.
>
> The McMaster-Carr spray on insulation works great.
> Just spray as
> much as you can inside the tube after sanding. If
> it runs a bit
> inside the tube no problem.
>
> Be sure to use 1/4 inch acrylic baffles approx 5
> inches in from each
> end of the tube if you intend to run the coil hard.
> One baffle is ok
> is spark length is less than 60% of tube lenght.
>
> Dr. Resonance
>
>
>
> >Original poster: "Antonio Carlos M. de Queiroz"
> <acmdq@xxxxxxxxxx>
> >
> >Tesla list wrote:
> >>Original poster: "MalcolmTesla"
> <tesla@xxxxxxxxxxxxx>
> >
> >>I'm sure the pros are laughing :) that's OK
> though. I've never done this
> >>before and wasn't sure how else to do it. I'm
> curious, how do the rest of
> >>you wind your secondarys? Oh and that's 20" of
> windings on 4" diameter PVC
> >>with 27 AWG.
> >
> >I would have cleaned the tube before winding. Some
> would say that the tube
> >should be heated to remove moisture and sealed with
> a layer of varnish.
> >This would reduce losses by a small amount (any
> water is quickly
> >evaporated if the form starts to get hot due to
> losses, anyway). It's not
> >recommended to drill holes in the form, but no big
> problems are expected
> >if the coil is long enough.
> >
> >Antonio Carlos M. de Queiroz
> >
> >
> >