Suunto compasses and possibly other makes

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We don't all go buying new compasses every year and this may be my first in 11 years so I havn't been watching "recent market developments" in this area, very closely!

The Suunto 116 on my yacht has developed a bubble from being left uncovered in direct sunlight in an ambient of nearly 40C and it looks on first examination that the seal on the filling screw has disintegrated but knowing my luck, there will probably be a more serious and structural leak elsewhere. Boat laid-up in Corfu, me in UK.

Web seaching seems to reveal that Suunto have left the marine market and now concentrate on the trekking, health and leisure markets only. Neither Ritchie nor Danforth appear to make something which will fit into the same hole so if a replacement is the only alternative, I'm probably stuffed.

Last time I had a leak in a compass was over 30 years ago with a Danforth and it was straightforward to repair. The oil it used was the jet engine lubricant, AeroShell **** (I forget the SAE grade).

Since I've been using the autohelm digital and the COG of the cockpit plotter for the last three months*, I wonder if I really need a magnetic compass at all?

SCC

*- I should point out that the manufacturer's replacement under warranty of the cockpit plotter earlier this summer, although it is physically the same shape, has introduced a significant error on the compass. I cannot understand why this should occur, unless the replacement, a revised model, has more magnetic components than the original
 
Don't know which model Suunto you have, but I replaced the one on my Bavaria with a Ritchie which fitted the same hole, but the Bezel is slightly smaller diameter and the holes for the screws in a different place. Other than filling the redundant holes a simple replacement.
 
Since I've been using the autohelm digital and the COG of the cockpit plotter for the last three months*, I wonder if I really need a magnetic compass at all?

If you want to shape a course across a tide, then you do. Where the boat's pointing is not where it's going, so COG is not the right thing.

It may be that you never do do that. 40 degrees suggests you may be in the Med :)

Pete
 
If you want to shape a course across a tide, then you do. Where the boat's pointing is not where it's going, so COG is not the right thing.

It may be that you never do do that. 40 degrees suggests you may be in the Med :)

Pete

From the original post:

" Boat laid-up in Corfu, me in UK."

;)
 
Don't know which model Suunto you have, but I replaced the one on my Bavaria with a Ritchie which fitted the same hole, but the Bezel is slightly smaller diameter and the holes for the screws in a different place. Other than filling the redundant holes a simple replacement.

Yes, it's a Bavaria. Do you remember which model Ritchie you bought?

See:-http://www.ritchienavigation.com/docs/RitchieCatalog.pdf
 
...Since I've been using the autohelm digital and the COG of the cockpit plotter for the last three months*, I wonder if I really need a magnetic compass at all?...

Looking at just this part of the question, I'd say yes you do. I use mine often to get a quick check on what direction that bit of land/object/other boat is and where swell/wind are coming from.
 
But that won't fit the hole in the Bavaria steering console. The Olympic 85 flushmount looks like it might.
 
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