[HomeBrew] Is all "plastic" pipe the same?

[Philip Atchley]

Hi,

I'm in the process of building a relatively large (about 5 foot diameter) 
rotatable loop antenna for use outdoors on a rotator (rotator will be about 7 
feet above ground).

Except for special fixtures, I have a sufficient amount of the standard white 
Schedule 40 PVC pipe with OD of 1 5/8".  While the rotator itself will be 
mounted on a standard metal TV mast driven into the ground, the loop proper 
can't contain any metal for reinforcement.

The 42 inch prototype of the shielded loop will be round, constructed of 2 
turns of RG-8X (mini-8 coax) supported by an "X" of plastic pipe.  If it works 
well a larger, 5 foot "loop element" will then be built, using either more 
turns of coax OR solid copper plumbing pipe in a circular pattern. (making 
different "loop elements" for this thing won't be too difficult).

I've seen mentions of "various types" of plastic pipe.  ABC, PVC, grey, white 
etc.
My questions are this.
1.  As the loop "may" flex some in the wind, What are the differences in 
strength, weather and UV resistance etc?
2.  When I build the "final version", should I get a different type of plastic 
pipe, or will the sched 40 PVC hold up well?

73 de Phil,  KO6BB
991 Different NDB's heard to date.
SWL QSL GALLERY: http://photobucket.com/albums/y123/KO6BB/
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