Compass Fluid, what to use? - SailNet Community

   Search Sailnet:

 forums  store  


Quick Menu
Forums           
Articles          
Galleries        
Boat Reviews  
Classifieds     
Search SailNet 
Boat Search (new)

Shop the
SailNet Store
Anchor Locker
Boatbuilding & Repair
Charts
Clothing
Electrical
Electronics
Engine
Hatches and Portlights
Interior And Galley
Maintenance
Marine Electronics
Navigation
Other Items
Plumbing and Pumps
Rigging
Safety
Sailing Hardware
Trailer & Watersports
Clearance Items

Advertise Here






Go Back   SailNet Community > On Board > Gear & Maintenance
 Not a Member? 
  #1  
Old 12-01-2012
Member
 
Join Date: Nov 2005
Posts: 89
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 9
Petar is on a distinguished road
Compass Fluid, what to use?

Hi, I got the spare clear sphere for my Ritchie SP5 ompass that I broke last week but the local company that supposedly sells the odourless mineral spirit seems not to work any more. Not sure if Ritchie guys can ship it considering it is sort of a chemical, so what other fluid can be used instead that will have similar properties? Can ordinary rubbing alcohol be used, or something similar?
Reply With Quote Share with Facebook
  #2  
Old 12-01-2012
Senior Member
 
Join Date: Feb 2002
Posts: 211
Thanks: 3
Thanked 2 Times in 2 Posts
Rep Power: 13
jgeissinger is on a distinguished road
Re: Compass Fluid, what to use?

It is not alcohol, it is mineral oil. You will probably get a lot of good (and not so good) suggestions, but one readily available source for mineral oil is Baby Oil, like Johnson and Johnson. It is pure, clear mineral oil and does work. I have used it in the past.
Reply With Quote Share with Facebook
  #3  
Old 12-01-2012
Maine Sail's Avatar
Senior Member
 
Join Date: Jan 2003
Location: Maine Coast
Posts: 5,254
Thanks: 9
Thanked 107 Times in 78 Posts
Rep Power: 15
Maine Sail is just really nice Maine Sail is just really nice Maine Sail is just really nice Maine Sail is just really nice
Re: Compass Fluid, what to use?

Quote:
Originally Posted by Petar View Post
Hi, I got the spare clear sphere for my Ritchie SP5 ompass that I broke last week but the local company that supposedly sells the odourless mineral spirit seems not to work any more. Not sure if Ritchie guys can ship it considering it is sort of a chemical, so what other fluid can be used instead that will have similar properties? Can ordinary rubbing alcohol be used, or something similar?
Ritchie compasses now use Isopar L® which is a very refined & purified version of Ordorless Mineral Spirits. From 1960 through about 2001 Ritchie used Odorless Mineral Spirits. Using mineral oil will change the damping of the compass and is not advised... Hamilton Marine sells Isopar L & any hardware store sells Ordorless Mineral Spirits..
__________________
______
-Maine Sail / CS-36T


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.




© Images In Posts Property of Compass Marine Inc.


Reply With Quote Share with Facebook
  #4  
Old 12-01-2012
Senior Member
 
Join Date: Feb 2002
Posts: 211
Thanks: 3
Thanked 2 Times in 2 Posts
Rep Power: 13
jgeissinger is on a distinguished road
Re: Compass Fluid, what to use?

Well, my mistake, I guess. I just bought Odorless Mineral Spirits at the local Home Depot, by the way. It shouldn't be hard to find. (The compass I used mineral oil in was pretty darn old, and long gone by now anyway!)
Reply With Quote Share with Facebook
  #5  
Old 12-01-2012
celenoglu's Avatar
Senior Member
 
Join Date: Dec 2008
Posts: 536
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 6
celenoglu is on a distinguished road
Re: Compass Fluid, what to use?

Kerosene is a good alternative
Reply With Quote Share with Facebook
  #6  
Old 12-01-2012
Maine Sail's Avatar
Senior Member
 
Join Date: Jan 2003
Location: Maine Coast
Posts: 5,254
Thanks: 9
Thanked 107 Times in 78 Posts
Rep Power: 15
Maine Sail is just really nice Maine Sail is just really nice Maine Sail is just really nice Maine Sail is just really nice
Re: Compass Fluid, what to use?

Quote:
Originally Posted by jgeissinger View Post
Well, my mistake, I guess. I just bought Odorless Mineral Spirits at the local Home Depot, by the way. It shouldn't be hard to find. (The compass I used mineral oil in was pretty darn old, and long gone by now anyway!)

Not a mistake. Some compasses used mineral oil and some used mineral spirits. Ritchie just happened to be on the OMS camp..
__________________
______
-Maine Sail / CS-36T


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.




© Images In Posts Property of Compass Marine Inc.


Reply With Quote Share with Facebook
  #7  
Old 12-01-2012
hellosailor's Avatar
Plausible Deniability
 
Join Date: Apr 2006
Posts: 10,380
Thanks: 1
Thanked 72 Times in 70 Posts
Rep Power: 10
hellosailor has a spectacular aura about hellosailor has a spectacular aura about
Re: Compass Fluid, what to use?

Baby Oil is generally mineral oil with added fragrance and other ingredients. If you want mineral oil, you buy plain "USP" pharmaceutical grade mineral oil at any pharmacy, at least here in the US.

Mineral spirits can be a blend of almost anything and when sold under that name, are best suited as paint brush cleaner only, because you don't know what the blend is. The primary and typical ingredient is naphtha, and several grades of naphtha are usually sold in any paint or hardware store. The cheap stuff leaves some residue, the better stuff is purer--and more expensive. Also sold in graphic art supply stores as "rubber cement thinner", and as "Ronsonol" and other brands of cigarette lighter fluid.

Ritchie can definitely ship "compass fluid", and under US law they have to make available an MSDS that also tells you just what the stuff is, more or less. If the fluid is classed as hazardous material (hazmat) it has to be shipped by ground, at a surcharge, but it still can be shipped.
Reply With Quote Share with Facebook
  #8  
Old 12-01-2012
Member
 
Join Date: Nov 2005
Posts: 89
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 9
Petar is on a distinguished road
Re: Compass Fluid, what to use?

Hi Guys,

I spoke to a local compass repair shop. As they do not usually sell that stuff but use it for repairs, they directed me to a local art store which is selling Stevenson odorless mineral spirit which is paraffin based and Ritchie are recommending to use it as an alternative to Isopar L which they sell. They have used the same stuff in their compasses from 1950 to 2000. I got a gallon for $30.
Reply With Quote Share with Facebook
  #9  
Old 12-01-2012
hellosailor's Avatar
Plausible Deniability
 
Join Date: Apr 2006
Posts: 10,380
Thanks: 1
Thanked 72 Times in 70 Posts
Rep Power: 10
hellosailor has a spectacular aura about hellosailor has a spectacular aura about
Re: Compass Fluid, what to use?

"Stevenson odorless mineral spirit which is paraffin based"
What the UK calls paraffin, the US used to "paraffin oil" but now calls "kerosene". The top grade, water-white kerosene for indoor heaters and the like, might cost 1/3 of that in a US store. Art supply stores...I remember what I used to pay for some of the brand names there. What can you do, that's a convenience tax. Must be doubly so when it all has to be shipped in by ocean or air freight.

Isopar L is an ExxonMobil product, apparently similar to kerosene:

Isopar™ L Fluid - ExxonMobil
http://.exxonmobilchemical.com%2FChe...IQhjgAhPWJ0SPg

"Isopar™ L Fluid is characterized as a synthetic isoparaffinic hydrocarbon solvent ... Isopar L Fluid is a liquid solvent used in paints and coatings, consumer"

Of course, now you can decant off the extra two pints and sell them to other sailors in the same situation. (VBG)
Reply With Quote Share with Facebook
  #10  
Old 12-01-2012
SloopJonB's Avatar
Senior Moment Member
 
Join Date: Jun 2011
Location: West Vancouver B.C.
Posts: 10,600
Thanks: 56
Thanked 48 Times in 45 Posts
Rep Power: 4
SloopJonB will become famous soon enough
Re: Compass Fluid, what to use?

What would be the actual effect of using the "wrong" one of these very similar distillates? Seals start leaking or something? I can't imagine there would be much effect on their damping properties.
__________________

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
I, myself, personally intend to continue being outspoken and opinionated, intolerant of all fanatics, fools and ignoramuses, deeply suspicious of all those who have "found the answer" and on my bad days, downright rude.
Reply With Quote Share with Facebook
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

 
Posting Rules
You may post new threads
You may post replies
You may post attachments
You may edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Trans fluid jagpfd Diesel 3 10-24-2012 12:58 PM
fluid in compass dorourke Gear & Maintenance 28 07-20-2009 11:36 PM
fluid christiner Beneteau 1 02-21-2007 04:50 AM
best replacement fluid for a compass kennya Gear & Maintenance 13 10-06-2006 06:03 PM
fluid christinero Gear & Maintenance 3 08-29-2006 12:33 PM


All times are GMT -4. The time now is 09:46 AM.

Add to My Yahoo!         
Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
SEO by vBSEO 3.6.1
(c) Marine.com LLC 2000-2012