Re: Curious about Coil form

From: 	D.C. Cox[SMTP:DR.RESONANCE-at-next-wave-dot-net]
Sent: 	Thursday, December 25, 1997 6:29 PM
To: 	Tesla List
Subject: 	Re: Curious about Coil form

to: Mike

It will work if you prepare it first.  Sand both inside and outside to
remove any surface impurities.  Then wipe out with a mixture of acetone and
MEK.  This will remove any final impurities.  Heat to 120 degrees with heat
lamps for 1-2 hours and then apply 3 coats GE Glyptal (avail at elec motor
shops) allowing 12 hrs to dry between each coat.  Now its ready for


> From: Tesla List <tesla-at-pupman-dot-com>
> To: 'Tesla List' <tesla-at-pupman-dot-com>
> Subject: Curious about Coil form
> Date: Wednesday, December 24, 1997 9:03 PM
> From: 	Michael Baumann[SMTP:baumann-at-proton.llumc.edu]
> Sent: 	Tuesday, December 23, 1997 3:46 PM
> To: 	Tesla-2; tesla-at-pupman-dot-com
> Subject: 	Curious about Coil form
> I think I may have either hit the jackpot, or am begging
> trouble. A buddy that owns a landscaping business told me he
> had a 30" chunk of 6" ABS drainpipe. Great says I, thanks so much :)
> Well, I got the pipe yesterday, and lo and behold, he is wrong, it is
> not ABS, but instead HDPE! Can you say low-loss coil form? I knew you
> could!
> Or is it? Problem is that it is black inside, with a 3-4 mil white
> coating. I did the following tests, to see if the black was carbon 
> based (I think not) but would love to hear some second opinions, even if
> ignore them :)
> Test 1: Ohmmeter leads dug into the edge, approx 2mm apart - meter
>         reads open circut.
> Test 2: 15KV probes on inside - no corona around the tips until they
>         were forming a corona between two high points in air, not to the
>         plastic
> Test 3: wall thickness is 0.150", with sharp point directly opposite
>         heavy corona, but no arc.
> Think I am safe to make this into a form???
> --
> Michael Baumann  Optivus Technology Inc.|Loma Linda University Medical
> San Bernardino, California. (909)799-8308 |Internet: baumann-at-llumc.edu