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Fluxgate Compass

Discussion in 'Big Boats' started by miguelgdelrey, Nov 25, 2017. Add this thread to a FAQ

  1. miguelgdelrey

    miguelgdelrey

    Joined Apr 12, 2007
    35 posts, 0 likes
    Hunter H49
    DR la romana dominican republic
    Hello.

    Does anybody knows where the Fluxgate Compass is located in a Hunter 49 ?

    Miguel
     


  2. Slipin Away

    Slipin Away

    Joined Jun 14, 2007
    92 posts, 6 likes
    Hunter 45cc
    US Florida
    look behind drawers under bed in aft cabin
     


  3. Brezzin

    Brezzin

    Joined Sep 20, 2006
    142 posts, 2 likes
    Hunter 49
    US Lakewood Ranch FL Mystic CT
    It’s under the seat cushion under the saloon TV
     


  4. miguelgdelrey

    miguelgdelrey

    Joined Apr 12, 2007
    35 posts, 0 likes
    Hunter H49
    DR la romana dominican republic
    there is a Water Maker under the seat under the TV....
     


  5. miguelgdelrey

    miguelgdelrey

    Joined Apr 12, 2007
    35 posts, 0 likes
    Hunter H49
    DR la romana dominican republic
    Under the bed in the Port aft cabin there is a Diesel tank and in the starboard aft cabin is the aft a/c unit.....
     


  6. smokey73

    smokey73

    Joined Oct 26, 2010
    454 posts, 63 likes
    Hunter 40.5
    US Beaufort, SC
    The "gardener did it with a rake".

    Seriously though, the dealer or previous owner probably installed it and it could be just about anywhere. You'll probably just have to search around till you find it. If its a Raymarine older unit its probably a black thing about the size of a baseball with wires coming out of it. If its a newer one it looks more like a white "ufo". It might be helpful to google the particular autopilot you have to see if you can find a picture. Concentrate your search away from large chunks of metal (like the engine) and ideally along the center line or nearly so. If they installed it correctly is will be somewhere close to the center line and away from iron objects that interfere with its operation. Good luck and let us know.
     


    BrianRobin likes this.
  7. SEMPERAVANTI41

    SEMPERAVANTI41

    Joined Jun 15, 2012
    311 posts, 15 likes
    Hunter 50 AC
    US Greenport, NY
    On my 50 it's under the floor in the forward cabin port side about a foot aft of the bed. I purchased a new fluxgate, but have not yet installed. My chart plotter stopped being able to show "heads up" direction correctly.
     


  8. Brezzin

    Brezzin

    Joined Sep 20, 2006
    142 posts, 2 likes
    Hunter 49
    US Lakewood Ranch FL Mystic CT
    I don't have a watermaker I actually had to move my compass because it was to close to that forward battery. Every time I used an electric winch, my autopilot did a "crazy ivan"
     


  9. smokey73

    smokey73

    Joined Oct 26, 2010
    454 posts, 63 likes
    Hunter 40.5
    US Beaufort, SC
    If you have spaces under some of the teak and holly sole pieces, check there. I put mine under the sole aft of the V-berth in the forward cabin. Keeps it out of the way, dry, on or near the center line and generally away from iron objects. - UNLESS - I once set a big bag of tools on top of the cabin sole above my newly re-positioned fluxgate. I had just gone through a bridge (I never use it when in tight maneuvering space) and reset the autopilot to hold heading to go below for a second. When I did that it did a 90 degree turn. :yikes: Re-enforced my practice of not using it in tight quarters!
     


  10. miguelgdelrey

    miguelgdelrey

    Joined Apr 12, 2007
    35 posts, 0 likes
    Hunter H49
    DR la romana dominican republic
    Thanks to you all!

    I'll keep looking
     


  11. JamesG161

    JamesG161

    Joined Feb 14, 2014
    1,897 posts, 295 likes
    Hunter 430
    US Waveland, MS
    In my quest, I found mine on Port Side Aft Cabin stowage.
    But...
    Someone offered me a very clever idea on how to find it.

    Use a iron pipe as a "mine detector" and sweep/look very slowly while someone watches the flux compass display. As you get closer with the pipe, the flux compass will respond to the iron interference.

    Good Hunting...
    Jim..
     


    Will Gilmore likes this.
  12. jssailem

    jssailem

    Joined Oct 22, 2014
    3,522 posts, 742 likes
    CAL 35 Cruiser
    US Salem, Moored Port Everett WA
    James's suggestion is very good.
    I did something similar by accident. While cruising through Canada's Gulf Islands, I stepped into the salon letting the AutoPilot manage the helm tracking straight and true. Sorting out some things in the salon, I put the boom box on top of the cabinet holding the AP compass. My boat immediately did a crazy Ivan. As I started to fly past the cabinet I grabbed the boom box. The boat straightened out on the new heading (110 degrees off course). Seems the speaker magnets and the AP compass system are not compatible.
     


  13. Jackdaw

    Jackdaw

    Joined Nov 8, 2010
    7,531 posts, 1,352 likes
    Beneteau First 36.7 & 260
    US Minneapolis MN & Bayfield WI
    Can I humbly suggest that on a boat that you own or regularly sail on, that there should be NO AREA of the boat that you are not familiar with, that you know were everything is, where all thru hulls are, where every major bit of plumbing is, there is no component or 'box' that is of unknown function?
     


  14. BrianRobin

    BrianRobin

    Joined Dec 31, 2016
    48 posts, 17 likes
    Beneteau Oceanis 351
    Ca Charlottetown,PE. Canada Charlottetown
    I think that is the greatest suggestion I've seen on here!
     


    Whatfiero1 likes this.
  15. Ron20324

    Ron20324

    Joined Jan 22, 2008
    5,717 posts, 396 likes
    Beneteau 323
    US Annapolis MD
    +1 to Jack. If only EVERYONE knew their boats.... Friend bought an IP38. He put on new sheets and I don't know what all. THEN he went through the boat's cubbyholes and found... brand new sheets the previous (deceased) owner had bought. And spares, and...
     


  16. JamesG161

    JamesG161

    Joined Feb 14, 2014
    1,897 posts, 295 likes
    Hunter 430
    US Waveland, MS
    I think that is what the OP is doing, by asking.;)

    I believe I should give credit to @kloudie1 on the Fluxgate "detector".:)
    Jim...
     


    Will Gilmore likes this.
  17. JamesG161

    JamesG161

    Joined Feb 14, 2014
    1,897 posts, 295 likes
    Hunter 430
    US Waveland, MS
    What?!!
    You left no Weatherdeck watch? Relying on a fancy gadget?
    Sorry I couldn't resist...
    Note: https://forums.sailboatowners.com/index.php?threads/the-circle.189131/ :)
    "Standing and scanning th horizon at least every 15 minutes"

    Jim...

    PS: That is the reason I began to look for my Flux compass. Believe or not, it was near where the Admiral had just stowed canned beverages. It doesn't just take Iron to mess it up, bulk of liquids do too.
     


  18. Jackdaw

    Jackdaw

    Joined Nov 8, 2010
    7,531 posts, 1,352 likes
    Beneteau First 36.7 & 260
    US Minneapolis MN & Bayfield WI
    Well maybe. But 99% of these questions come from a casual look after it fails.

    Otherwise if would be already known and found, as part of the sweep of all parts of the boat.
     


    Last edited: Dec 8, 2017
  19. kappykaplan

    kappykaplan

    Joined May 1, 2011
    619 posts, 46 likes
    Pearson 37
    US Lusby MD
    And granny smith apples!
     


    JamesG161 likes this.
  20. Ron20324

    Ron20324

    Joined Jan 22, 2008
    5,717 posts, 396 likes
    Beneteau 323
    US Annapolis MD
    Cans... metal, right? I don't think it has to be "iron".
     



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