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The solution.




Luc,
       Having often operated from the eastern part of Norway for many years with as daily temperature of minus 35 degrees in February - I have a little 'experience' from cold climates.

(Incidentally, I used the same rotor).

The long term solution is to change the grease to one that can tolerate the temperature and to mount a "motor warmer".

I used the heating element from a kettle. It keeps the rotor nice and warm in the winter ... but increases your electricity bill ...
horses for courses ...

I CC'd this to the amsat-bb in case there are a few up in Washington State with the same dilemma.

73 John.   <la2qaa@amsat.org>



To: amsat-bb@AMSAT.Org
CC: eu-amsat@yahoogroups.com
From: lucleblanc6@videotron.ca
Date: Sat, 24 Nov 2007 12:11:54 -0500
Subject: [eu-amsat] Yaesu G-550 KT-550 rotor freezing and jamming
















  


    
            This question is intended for part of the world who have below freezing point 

WX. I have an elevation rotor the Yeasu G-550 installed up side down but who 

work 2 winters seasons here. This year he just start to freeze and he stuck 

under minus 0C temperature?



Just before having to dismantle about 6 beams on the boom did anyone 

experienced this problem? As it seems this rotor has no draining holes i just 

think to add one to let the excess humidity to get out of the casing hoping the 

next above freezing point period will melt the ice build-up allowing water to 

drain out of the rotor casing.



Thank's for your input before i start drilling in the case...:)

"-"



Luc Leblanc VE2DWE

Skype VE2DWE

www.qsl.net/ve2dwe

WAC BASIC CW PHONE SATELLITE




      

    
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