Recent Content by Karl2

  1. Karl2
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    IPS who likes them ??

    I'm not aware of any IO boat that has been converted to use IPS. My guess would be that in the 35' - 40' range (If we are talking lighter, faster)...
    Post by: Karl2, Sep 14, 2011 in forum: Pod Drives
  2. Karl2
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    IPS who likes them ??

    See http://www.sabreyachts.com/motor_yachts/sabre54_express/performance.php Sabre 54'. Test results by the OE, one boat with IPS one with CAT...
    Post by: Karl2, Sep 14, 2011 in forum: Pod Drives
  3. Karl2
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    IPS who likes them ??

    Hitting a submerged shipping container at speed with a conventional inclined shaft system will in 99% of the cases result in a really, REALLY, bad...
    Post by: Karl2, Jun 9, 2011 in forum: Pod Drives
  4. Karl2
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    Vote: best brand of inboard propulsion engine...

    Sound....Agree, DD is hard to beat. Other than that.....They are also an efficient energy converter, problem is it converts fossil fuel to...
    Post by: Karl2, May 17, 2011 in forum: Diesel Engines
  5. Karl2
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    IPS who likes them ??

    3,200 and 33.2 knots. Was that WOT ? If so you are 400 rpm shy of were you need to be. Two prop sizes down would get you 400. Karl2
    Post by: Karl2, Apr 28, 2011 in forum: Pod Drives
  6. Karl2
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    Zeus-Ips

    Trevally, There was a test done by, I think, boattest.com with two identical vessels, one with Zeus and one with IPS. I think the boat was a...
    Post by: Karl2, Apr 11, 2011 in forum: Pod Drives
  7. Karl2
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    Volvo Penta D12 in a commercial vessel

    "...HOUR P.A ratings..." What does that mean ?? CMD's HO rating states 12% at WOT and 500 hours per year, Volvo's equivalent rating (R5) states 8%...
    Post by: Karl2, Apr 8, 2011 in forum: Diesel Engines
  8. Karl2
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    Volvo Penta D12 in a commercial vessel

    Not suggesting that Cummins is a bad motor but: 8.3 L, 600 hp @ 3,000 rpm.....10.8 L, 715 hp @ 2,500 rpm.....Hmmmm Karl2
    Post by: Karl2, Apr 4, 2011 in forum: Diesel Engines
  9. Karl2
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    small V4 or V6 turbo diesel

    Sounds like you are looking for something that does not exist. A flat, 100-200 hp, turbo charged diesel would carry with it some considerable...
    Post by: Karl2, Apr 4, 2011 in forum: Diesel Engines
  10. Karl2
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    small V4 or V6 turbo diesel

    Volvo's D3 is a tad under 21" from crank shaft center to top of motor. Yanmar's BY series 21.5" from the crankshaft center to the top of the...
    Post by: Karl2, Apr 1, 2011 in forum: Diesel Engines
  11. Karl2
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    Tooth Fairy fuel burn

    Does anyone have a current e-mail address for the head of DOT ? This product will end the dependence on foreign oil - He needs to know. Karl2
    Post by: Karl2, Apr 1, 2011 in forum: Diesel Engines
  12. Karl2
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    Mercruiser Gear Ratio Issue

    Lease/Rent a 40' displacement boat with twin 150 hp or so IB swinging 28-29" wheels. Using I/O power for this job is a recipe for down-time...
    Post by: Karl2, Feb 23, 2011 in forum: Sterndrives
  13. Karl2
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    Engine for a FRP Fishing boat

    The D4-225 is, today, mostly used in commercial applications. The pleasure ratings for the D4 is 260 and 300 hp. Karl2
    Post by: Karl2, Feb 21, 2011 in forum: Diesel Engines
  14. Karl2
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    Turbocharging a diesel engine?

    I maintain that in the context of the question from the original post the relationship between exhaust pressure (Before the turbine) and intake...
    Post by: Karl2, Jan 31, 2011 in forum: Diesel Engines
  15. Karl2
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    Turbocharging a diesel engine?

    Have a copy of Mr. Bell’s book and I agree, well written and a wealth of information. I have enjoyed it immensely. When I buy and turbo charge my...
    Post by: Karl2, Jan 31, 2011 in forum: Diesel Engines