I also remove my large hatch cover (32” x 32”). After replacing the lens a few
years ago, we had a stretch of –15 F temperatures for two or three days, and
the aluminum contracted so much that the lens was pushed out. It settled back
in when the temperature rose, but the seal was shot.
From: Robert Abbott via CnC-List
Sent: Monday, November 04, 2019 9:34 AM
To: cnc-list
Cc: Robert Abbott
Subject: Stus-List Compass
In 2006, my boat was trucked from Wisconsin. After launch, I noticed the
Ritchie compass was not reacting normally (slow to adjust to changes in
direction). Took it to have it checked out. Repair guy took it apart and
replaced a broken spring (he said, I really don't know what he did) and he
refilled with mineral oil. Compass has worked fine since.
He advised to remove the compass during winter layup as the freezing temps here
could possibly damage the seals. I have not removed the compass during the
winter and so far there does not appear to be any adverse issue(s). I felt
removing the compass provided more chances of a mishap (like me dropping it to
the ground) than leaving it on the boat. Since most, if not all, of my boats
neighbors did not remove them, neither would I.
I read somewhere that the freezing temp of mineral was 24F or -4C (it
contracts, not expands) and our temps get well below that
Rob Abbott
AZURA
C&C 32 - 84
Halifax, N.S.
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_______________________________________________
Thanks everyone for supporting this list with your contributions. Each and
every one is greatly appreciated. If you want to support the list - use PayPal
to send contribution -- https://www.paypal.me/stumurray
