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Thread: Oddball engines and prototypes

  1. #1726
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    Quote Originally Posted by husaberg View Post
    Pretty sure i have posted some before.
    I wouldn't be surprised.... I did try a quick search of this (Oddball) thread before posting it.

    Cheers, Daryl

  2. #1727
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    There really is Nothing New out there, is there

    Interesting that a major benefit claimed was reducing the work required to open the exhaust valve.... Must be opening the valve at or after BDC??

    I've also seen that claimed to be a significant power drain in exhaust valved Uniflow two-strokes.

    Cheers, Daryl.

  3. #1728
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    18th July 2015 - 16:21
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    Would have he been one of the early people to use shaft drive instead of a chain or belt?
    Neil

  4. #1729
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    13th June 2010 - 17:47
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    The primary benefit of the auxilliary barrel exhausts was probably exhaust valve life. Steels around that time were not that good - the silchrome valve came not many years later. Anything which would reduce valve temperature would have helped.

    Daryl - a guy I know locally has an early Edmunds/VW which is finished to show condition and gets carefully exercised once a year...Sadly the Kurtis Offy which was also local - and ex Foyt....Has been sold overseas.

  5. #1730
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    10th February 2005 - 20:25
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    Quote Originally Posted by Pursang View Post
    I wouldn't be surprised.... I did try a quick search of this (Oddball) thread before posting it.

    Cheers, Daryl
    I think Husa may have been referring to the previous thread he started on vintage racers (forget what it's called).

    And ....... in answer to your earlier statement :- There really is Nothing New out there, is there

    "What has been will be again,
    what has been done will be done again;
    there is nothing new under the sun."
    (a biblical quote I think)

    Wot? even the Ryger?

    Amen.
    Strokers Galore!

  6. #1731
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    20th January 2010 - 14:41
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    Quote Originally Posted by Pursang View Post
    I wouldn't be surprised.... I did try a quick search of this (Oddball) thread before posting it.

    Cheers, Daryl
    I can't be arsed looking but when i trip over the mag i will post it.
    From memory it was made out of a Douglas Dragonfly frame an a "MV like" engine made out of Triumph terrier and Tigercub heads and valves modified to DOHC with rockers then remodified to direct tappets out of a Austin maxi by the next owner. it was 19598 so it was home made state of the art really. it also had an albion gearbox.
    Pretty sure Dennis Jones was a "retired" toolmaker

    here is a pic
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    here is the 250 single
    http://www.vintagebike.co.uk/wp-cont...cc-710x570.jpg
    Quote Originally Posted by Katman View Post
    I reminder distinctly .




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

  7. #1732
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    16th November 2016 - 20:47
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    I seem to remember Jones worked for Rolls Royce when he was building his specials, but your probably right.

  8. #1733
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    Quote Originally Posted by EssexNick View Post
    I seem to remember Jones worked for Rolls Royce when he was building his specials, but your probably right.
    That sounds about right, plenty of other special builders did a well, like the spondon dude.
    i'd have to dig it out it was in a classic bike about 1985 or so. Had a Norton on the cover i think.
    Quote Originally Posted by Katman View Post
    I reminder distinctly .




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

  9. #1734
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    16th November 2016 - 20:47
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    Stupidly, I flogged all my Classic mags about 25 years ago. I'm glad somebody's kept theirs. I still have a bunch of Motorcycle Mechanics from the sixties and seventies, which make for entertaining reading. If I ever get round to getting a scanner I'll try posting them on here.

  10. #1735
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    20th January 2010 - 14:41
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    Quote Originally Posted by guyhockley View Post
    Brian Woolley article. Think I've actually driven one of the Daimlers he mentions round a mate's field. They had 2, one was supposed to be unique as it was a pick up! Done by the factory for their own use, so the story went. Don't remember anything special about the engines, it was the pre-select gearbox that took most of my attention.
    Quote Originally Posted by husaberg View Post
    It came from Rob Collet who made comparativley more HP/litre and came much later, if you take away the effect of the blower as well.
    Attachment 331871Attachment 331868Attachment 331870Attachment 331869
    this is the sleeve drive he has although his is adjustable



    when he says the issues with the piston shrouding the port this is what he means
    buggar can't find the pic
    I never seen you had already posted that lol

    Quote Originally Posted by EssexNick View Post
    Stupidly, I flogged all my Classic mags about 25 years ago. I'm glad somebody's kept theirs. I still have a bunch of Motorcycle Mechanics from the sixties and seventies, which make for entertaining reading. If I ever get round to getting a scanner I'll try posting them on here.
    post the plastic engine from about 84.
    scanners are cheap just get an all in one printer
    Quote Originally Posted by Katman View Post
    I reminder distinctly .




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

  11. #1736
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    16th November 2016 - 20:47
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    Nothing as late as 84. I think the most recent is 74 or 75.

  12. #1737
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    I think I remember that 4 cylinder special with the Triumph Terrier heads and the heading for the article was "Redundancy Four" - I thought it was sometime in the seventies, but I have also flogged off all my old motorcycle mags.
    The guy who built it had been made redundant and had done it as cheaply as possible (did a great job!) - I think it was in "Motorcycle" mag.
    Strokers Galore!

  13. #1738
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    28th November 2013 - 21:58
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    Dennis Jones article
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  14. #1739
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    Another one (with some antipodean pages!)
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  15. #1740
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    And another
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