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Re: [TowerTalk] Best Grease for Rotor bearings ?

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Best Grease for Rotor bearings ?
From: Ian White GM3SEK <gm3sek@ifwtech.co.uk>
Reply-to: Ian White GM3SEK <gm3sek@ifwtech.co.uk>
Date: Fri, 14 Oct 2011 08:05:02 +0100
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Bill Aycock wrote:
>Steel balls in an aluminum race WILL pit, due to vibration. This is 
>actually worse when the shaft is not rotated very often, because the 
>pits just get worse. Failure comes, not from use, but from non-use.

It's the same with diecast rotor gears. If the antenna is parked 
habitually in one direction, moving slightly in the wind, all the metal 
fatigue is concentrated into one or two teeth.

>Ask me how I know.

Same here.


-- 

73 from Ian GM3SEK
http://www.ifwtech.co.uk/g3sek
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