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Thread: road bike project scratch built

  1. #46
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    5th January 2007 - 14:58
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    Quote Originally Posted by Ian Staples View Post
    rear suspension is a copy of the xr69 Suzuki. The bimota had quit a small box section for it's swing arm and no triangulation and its very long. from memory in the day some thought that was a problem.
    I always loved the bimotas and had a magazine I kept for years with the KB2 which I thought was the most beautiful piece of engineering.

    Regards Ian in the world
    Twin shock or mono XR69?

  2. #47
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    13th June 2010 - 17:47
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    Quote Originally Posted by Ian Staples View Post
    Hi Guys . I am going to build a steel triangulated swing arm But the problem I have is I can't get the rectangular erw I want . I can get 51x32 x2 Which may look a but small or 62 x35x2 ( I have a short piece of ) but it looks a bit chunky, It would probably be ok if it wasn't triangulated The size I really want is 57x35 but they don't make it any more. Looking at photos of 80s kit bikes I would probably lean towards the 51x35. Also not sure weather to use round or box for the triangulation.
    Got the motor out but had to cut one front down tube as expected

    Regards Ian
    Only my opinion - but I think you're going too big if you're triangulating it as well. I'd use 2X1 - ie 52X25 - and 1.8mm wall too. I've made a few arms from this and they finish up very stiff. Foale somewhere goes through the calculations - lateral vs vertical loads - and finished up with 2X1 16G...
    Any wider section horizontally and you're starting to get tight for room at the pivot end - particularly if you're using a wide tyre.
    I'd use round for the triangulation - it bends easier.
    Alloy blocks in the ends of course for axle location. You'll be surprised how stiff it finishes up.
    2X1 is pretty common. I've got probably half a stick left here.
    It has become too difficult to answer PM's through the site. If you require an answer, please include an email address.

  3. #48
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    20th January 2010 - 14:41
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    Anyone for cutting up a fireblade frame
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    Kinky is using a feather. Perverted is using the whole chicken

  4. #49
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    31st August 2015 - 22:37
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    mono shock xr69. all of the shock and lever set up is already in the frame
    Regards Ian

  5. #50
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    20th January 2010 - 14:41
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    Quote Originally Posted by Ian Staples View Post
    mono shock xr69. all of the shock and lever set up is already in the frame
    Regards Ian
    If thats the case Ian surely seeing as you used modern forks and wheels why not just use the Srad swingarm as its a beefier version of a similar look? or Triarm? or FZR/YZF
    Or is it just about building it yourself as you clearly have the fab skills?

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

  6. #51
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    31st August 2015 - 22:37
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    it's the build . using an existing swing arm is to easy

    Regards Ian

  7. #52
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    5th January 2007 - 14:58
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    Quote Originally Posted by Ian Staples View Post
    it's the build . using an existing swing arm is to easy

    Regards Ian
    I thought that may be the case.
    If you were doing header wrap & a brown seat on a gn250 for your "custom build" you would be finished & riding it by now.

  8. #53
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    25th March 2004 - 17:22
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    Er, no it would be on trademe by now.
    I've been told. Dreaming`s free.
    Think I'll go, back to sleep.
    Everybody listen, voices in my head
    Everybody listen, do yours say, what mine says?

  9. #54
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    28th May 2006 - 19:35
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    the rear number plate needs to be within 15 degrees of vertical is something else that needs to be consideredm too

  10. #55
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    31st August 2015 - 22:37
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    a bit of a win

    I had a bit of a win on ebay. I found a 1100f clutch cover in france for 30 euro but they wanted 202 euro shipping . I asked them to look at postage and they come back with 25 euro so for a total of $97 nzd I have the clutch lever problem solved !!

    Regards Ian

  11. #56
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    5th January 2007 - 14:58
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    Hey Ian could you put up a few detail pics of your sidecar on here please, with back story's on how you created various bits & pieces.
    I read your build in NZSRA newsletter, I think members on here would find it very interesting.
    Thanks, Steve.

  12. #57
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    28th May 2006 - 19:35
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    had a good chat with an LVV m/c certifier today, he only does half of it, he does the structural certifying then it goes to the people who vin it to check the placement of shit. interestingly if it fails, you have 21 days to get it back otherwise it's start again and pay full price, that will be a pain especially if there's no-one locally.......

  13. #58
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    28th May 2006 - 19:35
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    Quote Originally Posted by Ian Staples View Post
    I had a bit of a win on ebay. I found a 1100f clutch cover in france for 30 euro but they wanted 202 euro shipping . I asked them to look at postage and they come back with 25 euro so for a total of $97 nzd I have the clutch lever problem solved !!

    Regards Ian
    you shop is the answer often there's one in england europe and the states

  14. #59
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    9th January 2005 - 22:12
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    Quote Originally Posted by jellywrestler View Post
    you're forgetting one thing, honda doesn't yet make sports bikes.
    Mr Honda's son who owns Mugen begs to differ....
    In the white room, with black curtains, at the station

  15. #60
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    31st August 2015 - 22:37
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    and now for something compleatly different

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ID:	342737 Hi all. I haven't done much on the bike lately except fully weld the frame . my plan is to try to build a alloy tank and seat so I have just built a shrinker /stretcher and planishing hammer
    regards Ian

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