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RE: [TCML] Re: A new guy with a primary threaded through holes
My glue failed, so I ended up using screws:
http://www.classictesla.com/hot-streamer/adam/primary.htm
Adam
--- On Tue, 5/18/10, Richard Schmuke <rdj@xxxxxxxxxxxx> wrote:
> From: Richard Schmuke <rdj@xxxxxxxxxxxx>
> Subject: RE: [TCML] Re: A new guy with a primary threaded through holes
> To: "'Tesla Coil Mailing List'" <tesla@xxxxxxxxxx>
> Date: Tuesday, May 18, 2010, 10:57 AM
> I have a question about the Lexan , I
> have some 6mm thick that I use in my
> projects , I find I have to drill and tap it for machine
> screws to get it to
> hold. What brand and type of adhesive did you use? I tried
> one that was
> supposed to be for polycarbonate but it did not work on
> Lexan near as well
> as gluing acrylic to acrylic. My coil supports would craze
> at the joint and
> break. One of my projects is a power supply, you can
> see it at,
> http://www.flickr.com/photos/kd0zz/
> Rich / KDØZZ
>
> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx
> [mailto:tesla-bounces@xxxxxxxxxx]
> On Behalf
> Of Joe Mastroianni
> Sent: Tuesday, May 18, 2010 8:54 AM
> To: tesla@xxxxxxxxxx
> Subject: [TCML] Re: A new guy with a primary threaded
> through holes
>
>
> One thing I found is that toward the end I was really
> "manhandling" the
> coil. I grabbed each side of the outer coil at 10 and
> 2 o'clock, sort of
> like the steering wheel of a car, and I would attempt to
> turn the thing. It
> took quite a bit of force even to get a millimeter or
> two. Once I had some
> "slack" introduced to the outer turn the innermost turn
> would sort of "break
> free" and I could twist it a couple millimeters.
>
> I repeated this for some large number of hours. Let's
> say that yesterday I
> started at about 8 AM and net a 90 minute lunch break
> and lots of coffee
> break time, I didn't finish until roughly 5PM, all of which
> suggests I am
> probably a man with too much time on his hands. It's
> a kind of zen koan
> sort of process. Sort of like mowing a golf course
> with a 22" Sears push
> mower.
>
> The amount of force I applied consistently and the length
> of time I had to
> do it is a testament to the strength of the binding power
> of the acrylic
> cement. Seriously, when it binds it's as if the 2
> plastic pieces just
> become one piece. I experienced no give, no cracking,
> no movement
> whatsoever between the stanchions and the lexan base
> disc. I am what might
> be called in some circles, a reasonably "large" guy with a
> rational amount
> of arm strength for my size. I figured if I broke the
> thing I was no worse
> off.
>
> It didn't break. Maybe I need to start bench pressing
> with heavier weights.
>
> Now that I know how long it takes to do this and the effort
> involved I am
> not sure I would go through the trouble again, even though
> the results are
> pretty durned nice. But as you pointed out, it's
> entirely doable. You just
> need to not have anything else important in your life going
> on.
>
> Oh well. Onward to fabricating my MMC and Terry
> Filter!
>
>
> >I managed to wind 50 feet in, then splice another piece
> to complete nearly
> 20 turns of 1/4". I'm sure I could have gone into pages of
> technique, if
> asked. As you discovered, there only a handful >of us
> who have succeeded, so
> no one's really interested in technique. At first the whole
> thing rotates,
> but pretty soon, you become master of scootching. I used
> Lexan and my glue
> failed >partway into the wind. I unwound the forms a
> fraction of a turn then
> screwed it into the
> base._______________________________________________
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