the project that shouldn't be

Discussion in 'Some Assembly Required' started by johnwesley, Feb 19, 2011.

  1. johnwesley

    johnwesley wanta be

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    I've got high hopes for it. I have learned alot through the other builds which will help to make this one successful. Alot of parts have come together and I hope they work in harmony. The front is a non issue as I have done this a few times and like the forks. Part of that is I know the design and how to work with it.

    The big question here is the rear suspension. I believe the action will be good as I am keeping the ratio similar to what you get from a linkage set up. The unknown is the anti squat tendency of the swing arm set up. The angle is not good from that stand point, but can be countered some with the sprocket sizes to help bring the anti squat % down some. I just hope to get it to acceptable area. If one doesn't work this out the rear wheel is going to want to drive under the bike, which will cause traction issues as the torque of the rear wheel works to extend the suspension and stiffens it up. If this is an issue then you just have a neat looking bike that is not good in any area. This can be somewhat controlled by keeping travel down to normal adv bike standards. and is really a non issue as you approach the 6" or less. I would like to get more than that and is why I am having the swing arm stretched, and working with a mono shock design. During the building phase I am going to try and combat this with known mathematics, but the proof will be when put to the test off-road. At that point We can dial it in as best as possible and may have to lower it some to get proper handling.

    The front travel will be determined by the ability of the rear to handle the extra travel with out adverse handling as I will have a balanced system front to rear. That makes a big difference. With the my klr the 10" rear with 12" front handled well, but was significantly better when I took out 1" of travel. It seemed to bring the bike together and function as a unit better


    That was a bit wordy but I needed to get it out :deal
    #21
  2. johnwesley

    johnwesley wanta be

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    I've thought about puting a fairing on it, one cause I like the xs twin and two everyone else (the other two builds) are going with the big round race light.

    so to help me think it out I have gone to photoshop for a peak

    [​IMG]


    and then if your all into the look of things this is a great looking bike

    [​IMG]
    #22
  3. johnwesley

    johnwesley wanta be

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    got a few parts in


    mock up shock

    [​IMG]


    chain kit with a cool rear sprocket, it goes well with the woody's built wheel

    [​IMG]
    #23
  4. madeouttaglass

    madeouttaglass Awful Kanauphyl

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    That is going to be one nice bike.
    #24
  5. KLRnit

    KLRnit Adventurer

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    Jun 25, 2009
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    Alabama
    Sweet project and good luck. I know the hard core Harley guys hate you LOL
    #25
  6. johnwesley

    johnwesley wanta be

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    Yea your right :evil I have some friends that are died in the wool HD guys we had a few words over this one :rofl

    we just agree to disagree :freaky
    #26
  7. JimmyTheHog

    JimmyTheHog Low Speed Adventurer

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    Feb 9, 2006
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    750
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    Sunnyvale, CA
    I like that rear sprocket! Who makes it ???
    #27
  8. johnwesley

    johnwesley wanta be

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    It came in the baker kit but has pbi on it. I like the look of it too. It's one of those good accidents. I didn't know what the sproket looked like when I ordered it, just went on the baker name.
    #28
  9. Tin Man 2

    Tin Man 2 Adventurer

    Joined:
    Aug 5, 2010
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    Location:
    Michigan in the garage.
    Sad to hear that, I work on Bikes for a couple clubs and visit now and then with the Guys(All HD bikes). They are kind of fasinated by my Sporty Enduro bike,Never heard a cross word about it. Of course who knows what folks really think but are to honorable to say, nobody wants to pizz off the cook, or the wrench.LOL.
    #29
  10. madeouttaglass

    madeouttaglass Awful Kanauphyl

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    I think it's one of the nicest dualsportsters I've seen.
    #30
  11. HighwayChile

    HighwayChile greetings from Wa state

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    Bow, WA USA
    wow nice !
    I'd love to see a TV show like cafe racer that shows adv builds like these, way better then OC chopper ass jewelry shows.

    post on, great project !
    #31
  12. bzrider

    bzrider Long timer

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    :clap
    #32
  13. johnwesley

    johnwesley wanta be

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    just for a heads up the baker kit will not fit a sportster. I bought it through a vender that listed it as fitting a 2000-2003 model but the hub center on the sprocket is 2.450 and the hub is 2.216.After calling Baker they said there was not a kit for the sportster only the buell. So the kit is going back and I have ordered direct from PBI. They have the right sprockets and are the ones who build the sprockets in the Baker kit.

    Also of note the baker kit comes with a non O-ring diamond chain. Not the best quality chain out. For the same money I'll get a x-ring DID. It is less expensive to buy the parts than it is to get the kit and you end up with better parts
    #33
  14. gregg

    gregg gregg

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    I will look but think I found out it is the same as the big twin????
    Here as far as I got.
    We know that the front sprocket will fit a BT 5 speed

    PBI part#281 . This is the Number for the sprocket with the number behind
    for tooth count.
    Part number 281-22

    Now what is the rear sprocket????? I'm going to guess a BT rear with a spacer??????????
    #34
  15. johnwesley

    johnwesley wanta be

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    I went through PBI and got the sprockets I needed. All is well with the world now. Today a few parts came in and I am stoked. It late right now and I have to be in a conference early in the am so the picks will have to wait.


    unfortunately the main parts that are keeping me from getting the wheels on are still out. So waiting on the swingarm and the steering stem
    #35
  16. johnwesley

    johnwesley wanta be

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    I had a little time for mock up on the handle bar set up HDB did a great job with the kit. Sorry for the bad pic I am pressed for time

    [​IMG]

    [​IMG]


    I have the rearsets in but will have to wait on the front sprocket to come in before mounting
    #36
  17. SimpleSimon

    SimpleSimon Aspiring advrider

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    It is going to look great!! :1drink:clap
    #37
  18. johnwesley

    johnwesley wanta be

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    finally got time for some better pics

    [​IMG]

    [​IMG]

    [​IMG]

    There is still a ton of work to do like wiring, fairing, brakes, fuel cell, skid plate and crash bars. But I am holding until its a roller so I can make sure it all fits and looks like it should, or what I think it should. I have most of it figured out as far as mounting goes.

    Today was still good got a lot of weork done on the Tiger project. I know have a quick remove fuel cell that interchanges with the passenger seat. Also got a rear rack mounted and ordered a top box :D

    Getting the Tiger ready just in case these custom parts keep holding me up and the sporty isn't together in time
    #38
  19. johnwesley

    johnwesley wanta be

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    Ok so I need help. the time has come to choose the coating for the swing arm and the options are open. I have honestly not given any thought to the coatings so I am at a draw here. BTR suggests that I use nickel, for the toughness of it and the looks. I am not sure how it would look on the sporty with the all black motif. So what will be on the end of the bike is the rim with black hub and rim laced with stainless steel, aluminum sprocket and rear brake with black center. Then all else will be high gloss black paint or powder coat. So what are your thoughts? :freaky
    #39
  20. JimmyTheHog

    JimmyTheHog Low Speed Adventurer

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    750
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    Sunnyvale, CA
    My 2cents - If you keep the chrome air filter cover, then a Nickel swingarm might look good and balance it out. But its hard to go wrong with black powder coat.
    #40