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Go Back   SailNet Community > On Board > Gear & Maintenance
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  #11  
Old 02-20-2007
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The needle came off my compass, fix myself or send it out ?
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  #12  
Old 02-20-2007
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FreeS....how old and what type & size of compass? Unless it is a very good compass, you may find sending it out is cost prohibitive. Third alternative is fix yourself and when that doesn't work, buy a new one for less than sending it to be fixed .
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Old 02-21-2007
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A gentileman at the marina told me yesterday the compassas on my boat are Ritchie's so Ritchie fluid will work. I will need to clean them out by swirling de-natured alchohal in them at least a couple of times. I got lots of feed back and now know what to do. BTW, Bacardie has always confused my own bearings and have since forsaken the practice. ;}
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  #14  
Old 02-21-2007
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Ummm. Most compasses I've seen don't use a "needle". What kind of compass is it? Most use a floating disc...
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You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
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  #15  
Old 02-21-2007
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Sailingdog,
On some compasses under the card on both sides of the pivot is a rod or group of rods that you can describe as a large needle. That’s the part that is magnetic and I understood from his post that was the part that fell off.

Freesail99,
A compass card is balanced for the zone it is used in. Different parts of the world have more or less dip to the magnetic field and the card needs to be balanced to match the zone. For instance if you are at the north magnetic pole the compass wants to point straight down and if you are at the equator the compass point horizontally to the magnetic pole. A compass balanced for a given zone will work well in one zone above and one below the zone it was balanced for. A compass balanced for a zone in the southern hemisphere will not work well in the northern hemisphere for this reason and world travelers need to select the zone for the compass so it will work for the entire trip.

If the needle(s) fell off I would be careful about balance but you can fix it yourself if you are careful.
All the best,
Robert Gainer

Last edited by Tartan34C; 02-21-2007 at 09:33 AM.
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Old 02-21-2007
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My compass is 30 years old. It is very large, which I like. I don't have the size as I am not at the boat. I learned to sail using a compass. If I had to guess at it's size I put it around 8 inches dia. I'll see if I can get a quote on a repair and compair that against a new compass. Thanks for the info, everyone.
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Freesail...sounds like you might have one of the really good ones! Absolutely worth looking into repair on a compass of that size and age. Try this guy...he is fantastic and reasonable relative to the value of a really good old compass.
http://www.islandcompass.com/

He also has used rebuilt ones on his site in case the repair is just too expensive. I mailed my C.Plath/Venus compass to him last year with a leaking bladder and it came back within a week completely fixed and looking like new.
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Old 02-21-2007
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Quote:
Originally Posted by sailingdog
While a repeater for the fluxgate is a nice idea, I think having a compass that is not electrically dependent at the helm is a better idea... However, on a steel boat, getting one that will work and can be adjusted for the boat is a problem.
Yes. Hence the question. The outside sailing station is a modest 24 inch wheel on a 30 inch binnacle in a 18-inch deep footwell. It's strictly a fairweather perch, and yet we'll spend a lot of time out there steering with our toes. Irrespective of the cost, a duplicate Globemaster would look ridiculous out there. So does anyone know of a stock small (5 inch globe or less) compass I could mount that can be compensated for steel? I could tolerate some inaccuracy, as it's merely a backup to the very accurate and properly swung Globemaster in the pilothouse.

I may consider an "overhead" aviation style compass for the aluminum bimini frame. At least that would be six feet above the deck.
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Old 02-21-2007
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Quote:
Originally Posted by sailortjk1
On a different note:

Has anybody else noticed the interfenece a cell phone can cause?

While cruising with another boat, my buddy kept on telling me the course he was steering, I told him he was crazy and that we was off by about 15 degrees.

After reaching port, we figured out it was his cell phone which was on his pedastal right next to the compass that was causing the problem.
I have to be careful with the Globemaster when I put down flashlights or VHFs within three feet or so...it swings 5 degrees at dock, and who knows how much underway.

I suspect it's the "vibe" feature in some phones...it's likely a very small electromagnetic motor that makes the buzz.
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Quote:
Originally Posted by Valiente
I have to be careful with the Globemaster when I put down flashlights or VHFs within three feet or so...it swings 5 degrees at dock, and who knows how much underway.

I suspect it's the "vibe" feature in some phones...it's likely a very small electromagnetic motor that makes the buzz.
The electromagnetic part of the motor isn't the issue, unless it is actually vibrating... the permanent magnets used in the speaker and buzzer are more likely the problem. The small rare-earth magnets used in some of the speakers are very powerful given their very small size.
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You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

—Cpt. Mal Reynolds, Serenity (edited)

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