[TowerTalk] Boom sag on Cushcraft A4S

[Bill DeVore <maxrcul@gmail.com>]

I’m getting ready to put up my first beam. I’ve noticed the ends of the boom on 
the A4S sag about 3-5 inches below the center point. Would making a truss out 
of a non stretching material such as phillystran be worth the effort or am I 
just being anal about it? The boom is not bent.

Bill - W3PNM
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