If your size is correct, here you go. I had a machine shop in Cleveland,OH for
50 years and here is a name of a respected manufacturer in a close suburb.The
nut will undoubtedly be costly, but if you need it that is
relative.https://www.earnestmachine.com/product/342878
Hope this helps, JIM W4QBQ
From: Patrick Barkey <n9rvee@gmail.com>
To: towertalk@contesting.com
Sent: Tuesday, April 3, 2018 5:17 PM
Subject: [TowerTalk] Source for Large Adjustment Nut
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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