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Re: [TowerTalk] beam slippage

To: "Pete Smith" <>
Subject: Re: [TowerTalk] beam slippage
From: "Rick Karlquist" <>
Date: Tue, 2 Oct 2007 14:29:40 -0700 (PDT)
List-post: <>
Pete Smith wrote:
> Do you know for sure that it is the rotator-to-mast joint that has
> slipped?  Seems like the boom to mast connection is a more likely culprit

My 4 ele SteppIR regularly slips on the mast, and I have
to recalibrate the AlfaSpid.  It has probably made at least
a half dozen complete revolutions in 4 years.  I tried retightening
the clamps and it had no effect.  My observation is that the clamping
force is plateau'ed due to the mast/boom plate bending and/or
the U bolts stretching (or the mast flattening).  I have an aluminum mast,
FWIW.  I intend to eventually install a Slipp-Nott.

Rick N6RK


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