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1997 Viking 43C Restoration - Looking for suggestions

Discussion in 'Viking Yacht' started by petrel, Nov 30, 2019.

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  1. petrel

    petrel Member

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    Coming back from our first (since restoration) trip to the Canyon. Riggers out for the bridge. IMG-4698.jpeg
  2. bayoubud

    bayoubud Senior Member

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    Looking great! Need some new knobs on those throttle/gears. :)
  3. petrel

    petrel Member

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    Good catch. Bought silver ones that were supposed to be for DDEC single lever controls, but the threads were wrong. Any suggestions?
  4. RER

    RER Senior Member

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    Aren’t those hynautic? Should be easy to source.
  5. bayoubud

    bayoubud Senior Member

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    You could clean them on a buffing wheel and keep coated with 303 vinyl/plastic protectant. Might bring the color back.
  6. petrel

    petrel Member

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    I double checked. I purchased the Schmidt & Ongaro 50040 knobs, that were listed for Hynautic and DDEC. Unfortunately the threads are wrong.
  7. DOCKMASTER

    DOCKMASTER Senior Member

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    Can’t you just run a bottom tap through the threads on the knobs you bought to match the threads on the handles?
    MBevins likes this.
  8. petrel

    petrel Member

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    I considered re-tapping them from 3/8-24 to 3/8-16, but I am concerned that there would not be enough remaining thread. Found a custom shift knob shop and ordered another set in what I hope is the right thread.
  9. DOCKMASTER

    DOCKMASTER Senior Member

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    You can tap from fine to course (24 to 16) and should be fine, especially given these is nothing structural or critical. Going the other way, from course to fine is more difficult. You can also drill it out and epoxy in an insert or tap to a larger thread to screw in an adapter. But, sounds like you’re getting new ones.
  10. petrel

    petrel Member

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    Hope everyone's summer is off to a great start! Our first fishing trip of the season has instigated a full scale revisit of a Refrigerated Sea Water system to chill our catch.

    Still haven't gotten the control knobs sorted out. Ordered custom knobs that did not fit either. I'll be rethreading them as recommended soon.

    Spring update: new interior rope lighting, galley lighting updated to dimmable Lumitec LEDs, HVAC overhaul to fix everything the first installer did wrong, upgraded shower sump, Lumitec Moray cockpit lights, Hunter Douglas salon blinds, new bridge console cover, and my favorite new gizmo... a Temp Stick remote temperature sensor in my bait freezer:D
  11. DOCKMASTER

    DOCKMASTER Senior Member

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    Refrigerated sea water system? Sounds like an experiment. Why not just go with a fish box ice machine? Mine will make ice from from fresh or sea water. I put sea water in my box from the wash down then make a bunch of ice. It makes a nice slurry that does a great job. Fish come out of the water and straight into the box for an icy bath.
  12. petrel

    petrel Member

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    That is still a possibility as well. I was seriously considering the Dometic EI-540 when we were doing the restoration, but set it aside as the boatyard issues began to accumulate. Now after a few successful fishing trips, I have decided that I must have a better way to chill our catch.

    The "icy bath" is exactly what I am looking for. I have read that some of the long range tuna boats, and other commercial operations use RSW instead of ice to avoid any hot spots, and to speed cooling.

    Sea Frost offers a system called Cool Fish that seems to have the performance I need with a component system that can be more easily fitted into the cramped quarters of our little convertible. I've had good luck with our Sea Frost freezer so far, and their support has been very good as well, so they are the first vendor I have contacted so far.

    I am also considering a serious upgrade to our fish box with or instead of a cooling/icing system. Something the equivalent of a Frigid Rigid cooler, but built in place of our existing deck box. Since our offshore runs are typically 70 miles or more, I am finding it difficult to trust something mechanical to preserve our catch. Lose the generator, lose the ability to make ice. Lose the engine driving the compressor, lose the ability to chill water. Of course, either system can fail all by itself as well. It is bad enough to limp home while contemplating major repairs, I'd hate to compound that by returning with a spoiled catch.
  13. DOCKMASTER

    DOCKMASTER Senior Member

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    I use the slurry for the same reason, to avoid hot spots. With straight ice you likely don’t get contact everywhere with the fish like you do in icy water.

    If you are concerned with mechanical issues on return trip which I understand then I would think you want to go the ice machine route. With a chilled water system if it quits working you only have the amount of time until the water reaches ambient temp. With ice you have much longer until the ice melts and water reaches ambient temp.

    Of course, this assumes you have room for an ice machine. Most of the ice chippers have delivery tubes and the ice can be delivered a reasonable distance. I don’t recall who it was, but someone here on the forum has their ice machine in the engine room on a Cabo I believe with the delivery tube going to the fish box.
  14. petrel

    petrel Member

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    The dometic system's ability to deliver the ice through a tube is a very nice feature. The issue I was concerned about is that the system is activated/suspended by an electronic eye in the box that senses the ice buildup. Without some attention (or an ice pushing ram), the system would suspend production when the box wasn't actually full, or pile ice until the output was jammed.

    We typically leave the dock with about 400 lbs of ice. That is nearly 24 hours of production for the smaller dometic unit. Unfortunately, we often do not arrive at the boat until the morning that we plan to fish. At an optimum production of around 25lbs per hour, I don't think the system could fulfill our needs if we had a good day fishing. However, this does merit further investigation.

    Cost wise, I could install two RSW units (one driven by each engine) for the cost of the smaller Dometic ice maker. I guess that could ease some of my concerns about a complete system failure.

    I've reached out to my new favorite HVAC company and boat yard. I'm looking forward to their insights as well. I believe what it will boil down to is maintenance requirements, serviceability and reliability. Given the very close confines of my boat's mechanical areas, the system with the fewest items that may need emergency attention, while underway, will probably be most preferable, even if it may not be the most effective.
  15. DOCKMASTER

    DOCKMASTER Senior Member

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    Most of the ice machines have the electronic eye. Mine has same. But if I let the ice pile up it backs up in the tube and the machine trips off on high auger current. This is another reason I put water in the box to get the slurry. With the water in there it distributes the ice throughout the box and prevents any issues.

    The Dometic units are great but I believe only make ice from fresh water. This is fine if you have a Watermaker or lots of water storage. I originally went with my IceSea unit so I could make ice from sea water and not deplete my fresh water supply when out for longer trips. Since I installed my new Watermaker I generally just make fresh water ice as less wear and I don’t have to flush it after use.