Recent Content by MLC

  1. MLC
    Post

    designing a boat that doesnt broach

    I would guess that is the case in trawlers, seiners, crabbers, or most other types of vessels. The old double end trollers that I was speaking of...
    Post by: MLC, Apr 24, 2013 in forum: Boat Design
  2. MLC
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    designing a boat that doesnt broach

    I have no personal experience with double-enders but my dad fished on one, (they were common in the old days), and he says that double-enders were...
    Post by: MLC, Apr 23, 2013 in forum: Boat Design
  3. MLC
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    propeller calculations for a gillnetter

    JSL, It sounds as if the difference between a full-tunnel and a partial-tunnel is not clearly defined. To my understanding the difference is...
    Post by: MLC, Feb 13, 2013 in forum: Props
  4. MLC
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    propeller calculations for a gillnetter

    I don't know if I should open up a different thread since the prop is no longer the main topic, but all of you have been helpful and informative...
    Post by: MLC, Feb 11, 2013 in forum: Props
  5. MLC
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    propeller calculations for a gillnetter

    JSL, That is an impressive performance for a Bristol Bay boat. My dad had a 32'x13' Plier boat with 600hp and a 28" diameter prop, and it could...
    Post by: MLC, Feb 8, 2013 in forum: Props
  6. MLC
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    propeller calculations for a gillnetter

    Reducing the blade loading is what I was thinking, but I could Imagine some conditions that complicate the calculations. Here are some thoughts...
    Post by: MLC, Feb 8, 2013 in forum: Props
  7. MLC
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    propeller calculations for a gillnetter

    Thanks for you input There are some places where I could shed some weight without much expense, but it won't change a great amount. More than a...
    Post by: MLC, Feb 6, 2013 in forum: Props
  8. MLC
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    propeller calculations for a gillnetter

    I don't want to discourage anyone form replying to this thread. Any information is appreciated anyone who will offer their 2-cents. The solution...
    Post by: MLC, Feb 6, 2013 in forum: Props
  9. MLC
    Thread

    propeller calculations for a gillnetter

    I have a 32' Bristol Bay gillnetter and I am trying to improve its performance. I have several Ideas that I plan to try sometime, but I think that...
    Thread by: MLC, Feb 5, 2013, 13 replies, in forum: Props
  10. MLC
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    delta pad stability effects

    It sounds like you will be adding around 500-800lbs, (roughly estimated), depending on the various modifications you undertake. Adding weight...
    Post by: MLC, May 1, 2012 in forum: Stability
  11. MLC
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    Fishing trawler problem

    I don't have any exact numbers but this might be a helpful example. A fishing vessel with an 1,850 cubic foot main hold will carry about...
    Post by: MLC, May 1, 2012 in forum: Stability
  12. MLC
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    Nozzles vs. Open Wheels

    I am not an expert in this, but I think that the nozzle creates a lot of drag, and at "higher speeds", the drag of the nozzle overcomes the added...
    Post by: MLC, Mar 3, 2012 in forum: Boat Design
  13. MLC
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    Converting a 430hp 6CTA-8.3 Cummins to keel cooling

    Thanks for your input. Both the 6 tube cooler that Walters suggested, and the 4 tube cooler sitting in the basement are single stem coolers, with...
    Post by: MLC, Dec 3, 2011 in forum: Diesel Engines
  14. MLC
    Thread

    Converting a 430hp 6CTA-8.3 Cummins to keel cooling

    I am re-powering an Alaska gillnetter with a Cummins 6CTA-8.3 rated at 430hp. The 430hp model of this engine is only available in a sea water...
    Thread by: MLC, Dec 2, 2011, 13 replies, in forum: Diesel Engines