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Old 16-02-2011, 20:45   #1

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Compass Oil

Hi anyone know what kind of oil should go into my compass I think it smelt like lamp oil does this sound right? or i heard baby oil.

Thanks greg

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Old 16-02-2011, 21:03   #2
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My Sunto contained clear kerosene.

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Old 16-02-2011, 21:04   #3
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Yeah, Go to west marine and buy compass oil, I believe it comes in quart bottles, dont use baby oil, additives will mess up your compass, lamp oil or naptha isnt good either it will discolor quickly. and its flamable. the origional oil was probably mineral oil.
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Old 16-02-2011, 21:13   #4
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For the compasses we repair (which admittedly are not marine compasses), we use a Dow Corning fluid. Then we pop the compass in the freezer overnight, then crack the screw & refill (to remove bubbles).

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Whatever you use, you want something that won't freeze, but I would also avoid any sovents, as they can degrade the compass card (depending on what it's made of).
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Old 17-02-2011, 06:12   #5
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Old 17-02-2011, 06:16   #6
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the compass manufacturer recommends specifically for their compass...
some are alcohol based some mineral oil..the last compass I did (ritchie I think) just recommended medical grade mineral oil from a drugstore.
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Old 15-05-2012, 16:50   #7
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Re: Compass Oil

I have a Plastimo 105 Offshore compass which needs oil added.
Anyone know which oil I should use?

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Old 15-05-2012, 17:26   #8

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Re: Compass Oil

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Old 15-05-2012, 17:55   #9
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Re: Compass Oil

Oh great, Another maintenance chore I didn't know about! I'm supposed to add oil to my compass?
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Old 15-05-2012, 18:11   #10
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Re: Compass Oil

I thought it was mineral oil?
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Old 15-05-2012, 18:25   #11
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Re: Compass Oil

Not all compass's take mineral oil, as stated above some older model flat top compass's take alcohol, I have heard of useing oil in them also but I would not use anything but alcohol in a compass that has or had alcohol in it ! just my 2 cents
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Old 15-05-2012, 19:01   #12
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Re: Compass Oil

"mineral oil" (a laxative and THICK) is not the same as "mineral spirits" =Paint thinner ,pretty much.

(Isopropyl)Alcohol is rarer in compasses because somebody would drink it and go blind, eh....

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