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Rotory engine in a jet boat?

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  • Rotory engine in a jet boat?

    Mazda makes that rotory engine that runs hot, at 9,000+ rpm's, has anyone ever heard of these put into a boat? In the 80's, Mazda was criticized for putting these engines in their vehicles because the 2 cylinder rotory engines performed like a sport V8. I would imagine having one of these engines in a boat would be awesome.

  • #2
    Rotary

    Take a look at this site. He has a great reputation in his part of the country.
    http://ronniesairboats.com/mudboats.htm

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    • #3
      A rotary engine does not have any cylinders it has a cumbustion chamber on the side of the housing formed when the triangular rotor moves against it.

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      • #4
        troopers

        a birdie told me that the troopers have one in a airboat hull.....

        i cant confirm this first hand...but that is what i hear

        edit:

        "he" also tells me its almost as fast as the airboat hull powered by a 454.....but better on gas.


        i would think they lack the torque to produce good results in a larger boat, and definately lacking torque for any type of hauling cargo/dead animals....
        Last edited by c-bolt; 08-28-2006, 10:52. Reason: add some more info
        09 River Wild, 3 stages, LS power

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        • #5
          Just over ten years ago there was a guy who put a rotary engine in his airboat. They haulted the attempt because they could not keep it from overheating.
          sigpic

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          • #6
            The rotary exhaust temps are excessive, and is near imposable to quite it down in short amount of exhaust pipe you would be able to run. That sucker will make you deaf in short order.....
            2005 20' Weldcraft Sabre XL 350 MP
            SD309 AT
            2009 Polaris Dragon 800 163
            Custom Mod's

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            • #7
              Ah, just wear ear plugs, that marine rotary engine looks pretty sick! Maybe someday they will get it right.

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