[TowerTalk] Rebuilding traps on Cushcraft ATB-34

[Jim W7RY]

"Crushcraft has provided the end caps and the tubing."  Tubing for what?  You don't say what it's used for?

73
Jim W7RY


--------------------------------------------------
From: "W7RIS - ARRL" <W7RIS.ARRL at softgoals.com>
Sent: Thursday, December 16, 2010 11:28 AM
To: <towertalk at contesting.com>
Subject: [TowerTalk] Rebuilding traps on Cushcraft ATB-34

> 
> I'm in the process of rebuilding the trap covers on a very old Crushcraft
> ATB-34. Have been in contract with Crushcraft to located parts needed for
> this project. Crushcraft has provided the end caps and the tubing. The
> provided plastic end caps appear to be usable but, the tubing is aluminum.
> The original tubing used on the traps appears to be a fiberglass based
> product.
> 
> My concern is if I replace the old weathered tattered fiberglass tubing with
> the aluminum tubing, the aluminum tubing will de-tune the traps. Thereby
> causing my antenna to not function properly. Would like to have some
> validation of my concern from the "TowerTalk" community.
> 
> To add a little clarification about the parts that I received from
> Crushcraft. In my dealings with Crushcraft it is obvious that these people
> have NO idea of how there products work or how they should be serviced. They
> are clearly dysfunctional. Thereby I have absolutely no confidence that
> Crushcraft provided me with the appropriate tubing for rebuilding my traps. 
> 
> Can someone tell me if it would be acceptable to substitute aluminum tubing
> for fiberglass tubing as a trap cover? 
> 
> 73's
> Mike - W7RIS
> 
> 
> 
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