[TCML] 8" secondary woes - update.

[Greg Peters <greg.j.peters@xxxxxxxxx>]

Hi all,

Just thought I would let you know what ended up happening with my 8" secondary problem. I ended up ordering a length of 8" acrylic tube, got about 4' for $AU 130. 

Cutting it turned out to be a non event. I simply drew a line around the form with a black marker pen. Then, as someone on the list suggested, I slowly worked my way around the form with a hacksaw making progressively deeper and deeper cuts. The result was a nice clean cut with no chips or anything. It was time consuming but easy and completely satisfactory.

I have gone with a 4:1 aspect ratio and all looks good. The only disappointing thing is there is a small patch of a few square inches full of very fine bubbles (only visible at certain angles). Hopefully that won't mess with the electrostatic field and cause the form to fail. The annoying thing is that if I had noticed it earlier I could have cut the excess from the other end and not had the problem at all! 

Greg.

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