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  1. #1
    jdog800's Avatar
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    Future of 2-strokes. Not dead yet?

    Have any of you looked at the clean 2 stroke motor. It has an oil bath and burns half the hydrocarbons. Could this be the future of 2 strokes? Or do you think that this was too little too late.
    Heres a link to an article.
    http://www.popularmechanics.com/tech...y/1286526.html


  2. #2
    I don't see where it's a big improvement. You are still relying on ports and the incoming charge to clear the cylinder of burn't gases which means a lot of unburned fuel going out the exhust port=not real clean. Secondly, I can see all kinds of issues with that flexible membrane.

  3. #3
    jdog800's Avatar
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    no oil injection....much cleaner, your not dumping that pint of oil every time you fill up

  4. #4

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    there are some 2 strokes that burn as clean as 4 strokes and are just as efficient.one example is the E-TEC by Evinrude they do not smoke very much if any.

  5. #5
    Quote Originally Posted by jeff007 View Post
    there are some 2 strokes that burn as clean as 4 strokes and are just as efficient.one example is the E-TEC by Evinrude they do not smoke very much if any.
    I agree that there are some 2 stroke technologies that are very clean. I wish they would develop them further but everyone seems to be going 4 stroke.

  6. #6
    Moderator OsideBill's Avatar
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    Great Post J-Dog
    The idea sure merits research. I agree with Vodoo on the membrane it looks like a real tricky balance there but nothing that could not be solved with good engineering. The amount of unburned fuel can be dealt with a proper tuned pipe it would be very clean with all the paramaters dialed in. My hats off to Mr Koeppel for thinking outside the box!!

  7. #7
    jdog800's Avatar
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    I would think that pwc manufactures would be intrested in this idea concidering the cost of building 2strokes vs 4strokes is a major jump.
    A small design change and they could build the same 2strokes they have been building and meet all the epa requirements. Saveing money and helping the enviroment..........win-win

  8. #8
    Nickeljet's Avatar
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    The solution is already here in the GM 2 stroke diesel. It uses fuel injection and a blower and has an oil bath. It is the most efficient diesel on the market today

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