Re: [TCML] A new guy with a primary threaded through holes

[Yurtle Turtle <yurtle_t@xxxxxxxxx>]

If your "lexan fractured" it probably isn't lexan. Lexan can be bulletproof, literally.

Here's how I did my "notch" primary:

http://www.classictesla.com/hot-streamer/adam/bigass_coil/Primary001.jpg

http://www.classictesla.com/hot-streamer/adam/bigass_coil/Primary002.jpg

http://www.classictesla.com/hot-streamer/adam/bigass_coil/Primary004.jpg

And this is with a $40 Harbor Freight drill press and HDPE.

--- On Wed, 5/19/10, Joe Mastroianni <joe@xxxxxxxxxxxxxx> wrote:

> From: Joe Mastroianni <joe@xxxxxxxxxxxxxx>
> Subject: Re: [TCML] A new guy with a primary threaded through holes
> To: tesla@xxxxxxxxxx
> Date: Wednesday, May 19, 2010, 9:16 AM

> 
> One other thing - I tried to cut off the top of the holes
> on one of my test stanchions to make the so-called "C"
> notches.  That was an unmitigated disaster.  The
> lexan tended to fracture around the holes using a router (I
> probably had the router speed too high - but still, it was
> not good.)  And when I did get one to work I rapidly
> discovered that Lexan doesn't "give" at all, so unless you
> have the "C" hole exactly the right size, you can't press
> fit the tubing.  You might as well be trying to push
> the copper through a steel groove that's too small. 
> And is you press too hard, the lexan fractures (at the thin
> part of the "C" on top). 
> 




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