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Re: [TowerTalk] Loose rotor bolts

Subject: Re: [TowerTalk] Loose rotor bolts
From: Ian White GM3SEK <>
Reply-to: Ian White GM3SEK <>
Date: Mon, 29 Oct 2007 08:45:57 +0000
List-post: <>
Peter Chadwick wrote:
>I had the same problem with a T2X and stainless bolts - they are 1/4 
>-20. I did use single coil lock washers, too. My answer, which has 
>served for over 20 years now, is an aluminium plate, 1/16th inch thick, 
>held tightly up against the bolt heads, and use lock washers. Loctite 
>didn't work, but with hindsight, I'm not entirely sure I used the right 
>variety of Loctite. You do need to be able to take the rotor off every 
>so often for service, so that is also a factor in which Loctite to use.

We beat 'grades of Loctite' to death in August of this year.
The archive is at

I'm not a high-volume user, but have never had a single failure with 
Loctite 242... and that does include rotor bolts.  242 is one of the 
'reversible' grades of Loctite that will lock firmly against vibration, 
but also allow dismantling with hand tools.

Don't forget to wash out the threads in the base of the rotor with a 
strong degreasing solvent, and wash any mill grease off the bolts. That 
is the most common cause of failure, because Loctite won't stick to 


73 from Ian GM3SEK

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