04-10-2018, 01:27 PM
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When Pigs Fly!
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Join Date: Sep 2005
Location: Orlando, FL
Posts: 1,102
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Quote:
Originally Posted by astronwolf
Are you referring to the representation of parallel-woundedness? The spiral wound tubes have spirals seams shown. You can't show the seams like that on a parallel wound tube, so the artist drew what looks like a circumferential line on the tube. Symbolism. It's like, oh yeah.... I "get it."
Nothing wrong here.
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To me, the catalog illustration looks like two tubes joined by an internal coupler.
I remember the parallel wound BT-30 tubes. There was a visible lap seam running down
the length of the tube. The lap line could have been drawn down the tube from top to bottom.
No big deal, I just thought the drawing was interesting.
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