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Author Topic:   Compass Freeze?
sport15er posted 01-05-2001 11:22 PM ET (US)   Profile for sport15er   Send Email to sport15er  
What's the concensus on leaving your compass on board during the winter lay over in the driveway? I've heard mixed feelings from fellow boaters; always interested in the wide range of opinions........
p.s. sat in the boat last weekend, cruising down the driveway in my mind..........
Dick posted 01-06-2001 12:23 AM ET (US)     Profile for Dick  Send Email to Dick     
The liquid in a compass will not freeze.
I have seen compasses winter in Alaska at
-40 with no ill effects.
whalerron posted 01-06-2001 05:57 PM ET (US)     Profile for whalerron  Send Email to whalerron     
I have lost 2 compasses now to these Maryland winters. I just lost my 2nd one. I am not sure how these things are made but I have been told that they have a diaphragm in them that breaks if the temps get too cold. That causes the card to go lopsided and the compass is ruined. These compasses are $50 units so they aren't garbage units but they aren't top of the line either. I would imagine that $200 compasses wouldn't have this problem.

- ron

sr posted 01-07-2001 09:54 PM ET (US)     Profile for sr  Send Email to sr     
I lost a compass that was 8 yrs old, i thought, at first it had frozen. It seems the fluid (smells like turpentine) deteroiates the rubber bellows in the bottom (for pressure equalization?) and the stuff leaks out. My boat sets outside, covered, in temps that regularly drop to low 20's, sometimes the teens.
hardensheetmetal posted 01-07-2001 11:29 PM ET (US)     Profile for hardensheetmetal  Send Email to hardensheetmetal     
If you go to and look under service/repair they recommend that you remove your compass in cold weather


sport15er posted 01-09-2001 09:15 PM ET (US)     Profile for sport15er  Send Email to sport15er     
Thnx all, I decided to take it out for the cold months, easy enough to re-install. It is a Ritchie, thnx for the site.

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