Recent Content by preventec47

  1. preventec47
    Thread

    What is gear reduction ratio in typical outboard motors ?

    Maybe the ratio changes between mfgrs and among models with the same mfgr. I want to analyze my propeller performance and I have to know how...
    Thread by: preventec47, Aug 14, 2016, 10 replies, in forum: Outboards
  2. preventec47
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    Help to get the right track for being a marine designer

    Something about your requests seem very suspicious but I will assume the best and just say unless you are independently wealthy you will fail to...
    Post by: preventec47, Aug 14, 2016 in forum: Boat Design
  3. preventec47
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    Out-of-the-box cheap inboard solution design

    What would be helpful and knowledge we can piggy back on is what gearbox ratio reductions are popular on outboard motors in the 2hp to 30 hp...
    Post by: preventec47, Aug 9, 2016 in forum: Boat Design
  4. preventec47
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    Out-of-the-box cheap inboard solution design

    I see you some of you guys in NZ are kind of snooty about having moved on from the old days. I am afraid I am stuck with the lower class bunch...
    Post by: preventec47, Aug 9, 2016 in forum: Boat Design
  5. preventec47
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    Out-of-the-box cheap inboard solution design

    Now THATS WHAT IM TALKING BOUT ! LOVE IT. not sure it is what I want to do but it is way out of the box. So this is what is known as...
    Post by: preventec47, Aug 9, 2016 in forum: Boat Design
  6. preventec47
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    Out-of-the-box cheap inboard solution design

    Respectfully Paul while you are quite the philosopher as well as accomplished boat designer, sometimes there is a greatly discounted lunch if not...
    Post by: preventec47, Aug 9, 2016 in forum: Boat Design
  7. preventec47
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    Identify inboard boat with prop in tunnel which cannot strike bottom ?

    Thanks for the reply... I see that I do not have a need for tunnel hulls but was simply seeking education and had no idea what their purpose was....
    Post by: preventec47, Aug 7, 2016 in forum: Boat Design
  8. preventec47
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    Out-of-the-box cheap inboard solution design

    It doesnt appear the guys racing the CrabSkiffs felt the need to build a stern drive. I want to pay dozens of dollars not the thousands of...
    Post by: preventec47, Aug 7, 2016 in forum: Boat Design
  9. preventec47
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    Glen L book on Inboards- Recommend or not ?

    I am highly inspired by these guys and would duplicate if I knew how they did theirs
    Post by: preventec47, Aug 7, 2016 in forum: Inboards
  10. preventec47
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    Homebuilt Personal Watercraft

    Funny I know but I do not know what "BOAT" really means. Please enlighten. I do know that when the wife says she is "fine" .... I know that...
    Post by: preventec47, Aug 7, 2016 in forum: Boat Design
  11. preventec47
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    Glen L book on Inboards- Recommend or not ?

    Considering I am using an industrial V-Twin engine ( Kohler 25hp ) in a small boat... will this book contain only useful info for larger...
    Thread by: preventec47, Aug 7, 2016, 4 replies, in forum: Inboards
  12. preventec47
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    Out-of-the-box cheap inboard solution design

    Wha ??? Are you saying I can get a stern drive and hook it up to a Briggs and Stratton ? How much does that cost ? Isn't a Stern...
    Post by: preventec47, Aug 7, 2016 in forum: Boat Design
  13. preventec47
    Thread

    Out-of-the-box cheap inboard solution design

    I am seeing a great availability of used "industrial" motors from Briggs Stratton, Kohler, Honda etc. between 8hp and 30hp and other than paddle...
    Thread by: preventec47, Aug 7, 2016, 24 replies, in forum: Boat Design