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Thread: Outrageous 500 two-stroke!

  1. #1
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    Outrageous 500 two-stroke!

    110BHP 155kg and what a crazy motor!

    no doubt that 110HP can be tweaked to get wayyyy more too.

    http://www.motorcyclists-online.com/...u=c2FUWmV2cW90

  2. #2
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    21st December 2005 - 23:41
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    thats a work of art

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  3. #3
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    Put some chambers on it and get it into production fast!

  4. #4
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    Interesting, but those are big cylinders if they are each only 125cc. They look big enough to be 500cc each. I don't think chambers are going to be a great improvement if that is the sort of 2-stroke I think it is.

  5. #5
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    That is some crazy shit. Not sure I'd want to wheel it into TSS for a service - they'd be, like, uhhhh?

    Nice find.

    Dave
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  6. #6
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    Nice. Looks very “designed” as in “stylised”.

    That usually means little or no engineering finesse but there’s nothing wrong with the engineering in this case, very innovative and structurally well thought out.

    Not keen on the fairing/consul thing though.
    Go soothingly on the grease mud, as there lurks the skid demon

  7. #7
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    The Poles aren't renowed for their engineering build quality, like the Czechs are.

    Looks like a lot of fun though.

  8. #8
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    Quote Originally Posted by kiwifruit View Post
    thats a work of art

    Sure is! Who'da thought... a radial bike engine, (though most radials are odd numbered cylinders), looks scary!
    You don't get to be an old dog without learning a few tricks.
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  9. #9
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    Hehe - they "builded the bike".

    Guttered that it only puts out 110 hps from 500 ccm...

    Looks impressive. I'm just wondering how it would handle

    I don't know that much about 2-stroke engines but where's the extractor chambers on the exhausts? They kinda look too pretty for a 2-stroke...

    24 l fuel tank - I guess it'll need that!
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  10. #10
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    So have you put your order in then Mike?

    You started on strokers so at your fine old age you should be looking at finishing on them.

    Sort of like closing the circle
    "When you think of it,

    Lifes a bowl of ....MERDE"

  11. #11
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    Quote Originally Posted by Edbear View Post
    Sure is! Who'da thought... a radial bike engine, (though most radials are odd numbered cylinders), looks scary!
    Id'a thunk it.

    In fact I did, everyone's always stealing my ideas.

    Always thought a 180° “V” (transverse shaft boxer twin) made a lot of sense, very low cog and centralised mass.

    Likewise, a 120° (incl) frameless radial triple, swingarm off the rear cyl, steering head off the front…
    Go soothingly on the grease mud, as there lurks the skid demon

  12. #12
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    And "The frame is made from steel tubes". Woohoo.

  13. #13
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    Quote Originally Posted by Ocean1 View Post
    Id'a thunk it.

    In fact I did, everyone's always stealing my ideas.

    Always thought a 180° “V” (transverse shaft boxer twin) made a lot of sense, very low cog and centralised mass.

    Likewise, a 120° (incl) frameless radial triple, swingarm off the rear cyl, steering head off the front…
    Yeah, but we need the $$$ to invest! You'll just have to find a sponser next time...

    The transverse shaft idea would cause a few issues about engine placement in the frame, though, wouldn't it?
    You don't get to be an old dog without learning a few tricks.
    Shorai Powersports batteries are very trick!

  14. #14
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    Go the two strokes! Nice find there!
    "I like to ride anyplace, anywhere, any time, any way!"

  15. #15
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    Quote Originally Posted by Edbear View Post
    The transverse shaft idea would cause a few issues about engine placement in the frame, though, wouldn't it?
    Yeah, above a certain capacity the overall length would be an issue.

    One way of developing structural designs is a force vector diagram, if you quantify all the loads and the angles at which they apply to the system you can come very close to defining the structure itself. The major loads on a bike are at the swingarm pivot and the steering head, for a road bike there’s comparatively minor loads involving the rider at the seat and pegs.

    If you consider the relative positions of the two major loads you can see how arranging cylinders at about 120° allows you to use the heads as structural entities with the minor loads requiring only lightweight sub-frames. A 120° V twin ain’t optimum from an engine design standpoint but a triple radial might be, given that most current twin developments are at 60° odd. Some reservations about rod arrangement and breathing…
    Go soothingly on the grease mud, as there lurks the skid demon

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