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Go Back   SailNet Community > Skills and Seamanship > Seamanship & Navigation
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Seamanship & Navigation Forum devoted to seamanship and navigation topics, including paper and electronic charting tools.


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  #11  
Old 08-06-2014
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Re: Bad compass?

The floating part of the compass is floating free and smooth? Are you holding the compass upright? That looks like a wall mounted compass, is that how you are mounting it and holding it?

I have found that a magnetic screwdriver can magnetize a mounting or case screw? You might try removing some screws. And, as a way outside thought, could there be a shipping magnet attached to keep the float from getting damaged?
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Old 08-06-2014
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Re: Bad compass?

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Originally Posted by Delta-T View Post
And, as a way outside thought, could there be a shipping magnet attached to keep the float from getting damaged?
Shipping magnet? Where is it? How it looks like?
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  #13  
Old 08-06-2014
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Re: Bad compass?

Lets see some pictures of the back side. Is there an access plate? Must be one to service the unit.
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Last edited by Delta-T; 08-06-2014 at 12:41 PM.
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Old 08-06-2014
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Re: Bad compass?

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Originally Posted by Delta-T View Post
Lets see some pictures of the back side. Is the an assess plate? Must be one to service the unit.
I can't take pictures now. Earliest I can get to boat is tomorrow nite.
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Old 08-06-2014
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Re: Bad compass?

Talk to these guys , I have used them , they are really good .
Compass Repair & Adjustment | Sextant Repair & Sales in Portland, Oregon - The Compass Adjuster
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Old 08-06-2014
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Re: Bad compass?

Probably why they sell them online... they dont work.
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Re: Bad compass?

Did you buy it from someone in the Southern Hemisphere by chance?
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Re: Bad compass?

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Did you buy it from someone in the Southern Hemisphere by chance?
No, from MD.
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Re: Bad compass?

Maybe someone tried to adjust it for variation/deviation & "over adjusted"? You might try moving the adjusting screws, if there are any.

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Re: Bad compass?

Very intriguing problem. I would be curious if you were able to move the card by holding a magnet, cell phone or steel screwdriver near it. if the card does not move, that would lead me to believe the problem is mechanical and not magnetic.

I did a quick google search to see if there are calibration procedures for a danforth compass. No luck. I wonder who makes this unit. It could be made by Ritchee or Plastimo and just carry the Danforth name. You might google these manufacturers to see if they have something similar adn to see if there is a calibration procedure. I calibrated my Ritchie Globemaster without too much difficulty. Of course, if I was planning on crossing an ocean any time soon, I would pay to have it professionally done.

Please keep the updates coming. I'm sure we would all like to know the out come.

Good Luck.
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