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[TowerTalk] Source for Large Adjustment Nut

To: towertalk@contesting.com
Subject: [TowerTalk] Source for Large Adjustment Nut
From: Patrick Barkey <n9rvee@gmail.com>
Date: Tue, 3 Apr 2018 15:11:13 -0600
List-post: <mailto:towertalk@contesting.com>
I have a chain drive for my big rotating tower that was built by K8RR
(SK).  It has a torque limiter that allows the tower to slip in high winds
to protect the rotor and linkage.  The problem is that the adjustment nut
for this limiter (similar to a clutch) has rusted solid and I can't adjust
the tension anymore.

My plan is to cut the nut off and use a new one, but I cannot find a source
to buy the replacement nut.

It looks very similar to this:
https://www.applied.com/c-brands/c-regal-beloit/c-morse-industrial-corp-/700tl-adj-nut/Torque-Limiter-Parts/p/101376137

But mine is a slightly different thread pattern and size.  I need a 3 1/2
inch nut with 12 tpi.  The fastener places can't find one like that for me.

Does anyone on this list have any ideas where to look?

I can't identify the manufacturer of the torque limiter that I have.

  - Pat
    N9RV
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