[TowerTalk] Mast slippage

[Phil]

I'd suggest drilling only part way into the mast
on one side, tapping the hole in the rotator
clamp on that side, and screwing a bolt in far
far enough to go down in the mast a little.

73, Phil  W5BVB




On 7/29/2020 6:13 AM, Larry wrote:
> What about something like Slipp-Nott (not the sports mat!)?  I think it 
> is being sold by Tennadyne. Not sure but it may only fit a 2 in mast 
> which wouldn't help you of course.
> 
> 73, Larry W6NWS
> 
> On 7/28/2020 7:00 PM, Les Brown wrote:
>> I have 2 large Yagis attached to a 3 inch OD ¼ inch wall thickness 
>> Chromoly
>> mast running down the tower to a ProSisTel PST-71D. On a windy day, I 
>> hear
>> creaking sounds from the tower. The mast is slipping slightly in the 
>> rotator
>> mast bracket. I’ve already tried to tighten the 6 bolts, but it still 
>> slips.
>> I don’t want to tighten them to the point where they might snap. I’m
>> thinking that what I need to do is to go up the tower, drill a hole 
>> through
>> the mast (the rotator mast bracket already has holes), and pin the 
>> mast and
>> bracket. I understand that it’s not easy drilling through Chromoly 
>> pipe, so
>> before I try this, I thought I would ask if any of you have any other
>> suggestions.
>>
>> 73, Les VE3NNT
>>
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