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Thread: Oddball engines and prototypes

  1. #1126
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    10th February 2005 - 20:25
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    1944 RE 1
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    Dunno about you guys but I am having trouble with any pics posted (only on this thread) - when I click on them to enlarge, the screen goes dark but the photos won't come up, it would stay like that forever if I didn't click "refresh". It then comes right again when I do that, but still I don't get any enlarged pics.
    Can still get the pics from the the forum picture viewer though.

    Does anyone else have this problem?
    Strokers Galore!

  2. #1127
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    4th June 2013 - 10:03
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    2010, specialised bike
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    United Kingdom
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    Will, no problem with the pics here.

  3. #1128
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    10th February 2005 - 20:25
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    Quote Originally Posted by tjbw View Post
    Will, no problem with the pics here.
    All ok now, either someone has done something, or it was just some sort of glitch on my computer!
    Strokers Galore!

  4. #1129
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    20th January 2010 - 14:41
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    husaberg
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    Talk about oddball
    A TZ250 converted to boxer configuration with KX cylinders.
    Click image for larger version. 

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    Kinky is using a feather. Perverted is using the whole chicken

  5. #1130
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    13th June 2010 - 17:47
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    I would not like to house that in a frame thank you...
    If it's mounted with the cylinders vertical, the lower carb would vacuum the track nicely - but bleeding the cooling syatem would be worse IMO.
    I'm assuming it's Dutch ? No insult intended.....

  6. #1131
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    20th January 2010 - 14:41
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    Quote Originally Posted by Grumph View Post
    I would not like to house that in a frame thank you...
    If it's mounted with the cylinders vertical, the lower carb would vacuum the track nicely - but bleeding the cooling syatem would be worse IMO.
    I'm assuming it's Dutch ? No insult intended.....
    Yip I found it following that plate aluminium frame from the air cooled Yam forum
    Very long running project with many tricky parts. Chassis is an unknown aluminium plate chassis just like the well known Harmsen 50 and 80cc racingbike's. The front in an standard Paioli magnesium GP fork but whit dubble anti-dive system. The engine is an modified TZ250 engine which is made to an standing boxer engine. Is was made by STARTWIN in Loenen by the Van der Sarre brothers well known for their special bike and cars over here in Holland. This project is still in its parts collecting stage and hopefully ready in the next 2 years.
    https://www.facebook.com/coeno.vanho...6864493&type=3
    https://translate.google.co.nz/trans...0/&prev=search



    Kinky is using a feather. Perverted is using the whole chicken

  7. #1132
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    4th June 2013 - 10:03
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    Quote Originally Posted by husaberg View Post
    Yip I found it following that plate aluminium frame from the air cooled Yam forum

    https://www.facebook.com/coeno.vanho...6864493&type=3
    https://translate.google.co.nz/trans...0/&prev=search
    Nice find husa

    There is also a 4 cylinder air cooled boxer, mounted in frame, on that last link!

  8. #1133
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    20th January 2010 - 14:41
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    Kinky is using a feather. Perverted is using the whole chicken

  9. #1134
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    10th February 2005 - 20:25
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    All good ......except that he starts the Spitfire Video with a clip of a Hurricane!
    However this problem applied equally to the Hurricane and Spitfire and was largely overcome by flipping the aircraft on it's back before following the Messerschmitt into a dive.
    Strokers Galore!

  10. #1135
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    22nd November 2013 - 16:32
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    Feel free to not let complexity get in the way of a good (or any) idea:

    https://www.youtube.com/watch?v=zVSw8YBNb_U
    http://www.infinitiusa.com/now/news-...urbo-v6-engine

    Fletto, the world is your oyster .

  11. #1136
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    20th January 2010 - 14:41
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    Quote Originally Posted by ken seeber View Post
    Feel free to not let complexity get in the way of a good (or any) idea:

    https://www.youtube.com/watch?v=zVSw8YBNb_U
    http://www.infinitiusa.com/now/news-...urbo-v6-engine

    Fletto, the world is your oyster .
    130 HP per liter on the v6.
    The other is very interesting.



    Kinky is using a feather. Perverted is using the whole chicken

  12. #1137
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    24th July 2006 - 11:53
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    Quote Originally Posted by ken seeber View Post
    Feel free to not let complexity get in the way of a good (or any) idea:

    https://www.youtube.com/watch?v=zVSw8YBNb_U
    Low compression means more power?

    I'll have to have a wee think about that...
    Go soothingly on the grease mud, as there lurks the skid demon

  13. #1138
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    20th January 2010 - 14:41
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    Quote Originally Posted by Ocean1 View Post
    Low compression means more power?

    I'll have to have a wee think about that...
    Low comp at higher revs means more potential boost pressure is possible for a forced induction engine without the risk of detonation.
    Two stokes also benefit from variable compression. As well as variable squish clearances.
    google polini powerhead.
    https://www.kiwibiker.co.nz/forums/s...post1130633793
    https://www.kiwibiker.co.nz/forums/s...post1130836924
    https://upload.wikimedia.org/wikiped...Polini.svg.png



    Kinky is using a feather. Perverted is using the whole chicken

  14. #1139
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    1st May 2016 - 13:54
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    Quote Originally Posted by Ocean1 View Post
    Low compression means more power?

    I'll have to have a wee think about that...

    WOT & 'full' induction charge needs less 'static' compression.

    Cruising with heavily throttled intake, smaller intake charge volume, needs more 'static' compression for efficient burn.

    ..........and every thing in between.


    cheers, Daryl.

  15. #1140
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    20th January 2010 - 14:41
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    Kinky is using a feather. Perverted is using the whole chicken

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