Re: [TCML] 10.75" x 76" Fully Threaded Secondary Coils

[Adam Munich <ajm9414@xxxxxxx>]

Interesting process.

Bur pole pig? For a coil that nice, why not just give it four CM600s?

-Adam

On Sat, Aug 3, 2013 at 9:51 AM, Jeff Behary <jeff_behary@xxxxxxxxxxx> wrote:

> A special project being made this weekend, detailed photos and videos on
> my Facebook account (public profile):
> https://www.facebook.com/profile.php?id=1396620246
>
> Bill Wysock would be proud of this!  My friend Ciprian Timbal and I are
> turning, threading, and inlaying wire in 10" SCH 40 PVC
> pipe.  WHAT a process!!!!  We are making 3 forms, each 76" long.  Turned
> true and threaded fully 14 TPI inlaid with 16 AWG.
> The turning process, 224 RPM, feed rate .005 IPR creates a continuous PVC
> chip over 20,000 feet long.  It fills a 55 gallon drum!!!
> The threading process is done at 14 RPM, and requires to stand there for
> 72 minutes and remove the threadlike chip as it is turned off of
> the pipe.  The winding process with this stiff wire is an awkward
> backache.  But the finished product...well...about as nice as you can make.
>
> In the middle of winding the first coil, I got a surprise call from a
>  woman who found an original Frankenstein set photo signed and dedicated
> (with fountain pen) by Kenneth Strickfaden.
>
> It was under a photo in a frame she bought 30 years ago to put her high
> school picture.  Priceless history.  She has a goldmine in that frame.  The
> story made my day...
> was my 37th birthday yesterday.  I think the spirits of Bill, Ken, Harry
> Goldman, Frederick Strong, Earle Ovington, I think they were all  with us
> last night.  A historic night, till 1:30 am!
>
> For reference, the 20 ft length of PVC pipe cost $240.  The spool of 16
> AWG Essex inverter duty magnet wire cost $858/92 lb spool.  I don't know
> how any of us can continue to afford this hobby.  We need to start a
> campaign to keep the copper in the US instead of scrapping it all...Its
> hard to believe the cost of things.
>
> Does anyone have any large spun torroids for sale?  John Freau?   Also
> looking for a 10KVA pole pig in perfect condition.  Final project TBA, very
> excited...
>
> Jeff Behary, c/o
> The Turn Of The Century Electrotherapy Museum
> http://www.electrotherapymuseum.com
>
>
>
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>



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∇ × E = -∂B/∂t <http://www.adammunich.com/>
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