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    Re: West Michigan AR-51
    Senior Member spud nut's Avatar
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    Jul 2011
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    Nampa, Idaho
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    Absolutely agree about the front end coming up. My busa buggy on pavement lifts the front each time I shift though the first 4 gears
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    Re: West Michigan AR-51
    Millenium Member Deranged's Avatar
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    Sep 2008
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    Allendale MI
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    Quote Originally Posted by mrniceguy View Post
    I might have missed it, but what is the purpose of stretching the buggy?
    Good question,
    The Busa will fit, however it is VERY tight. I want to allow for a larger radiator, wider stance with bypass shocks. The longer wheelbase will make the car ride even smoother.
    Nowhere near the desert.
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    Re: West Michigan AR-51
    Millenium Member Deranged's Avatar
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    Sep 2008
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    Well,I have made a fair bit of progress on the AR-51. I took the current design that worked very well and just kinda made it bigger. I drew up a full scale drawing to make sure things were going to work the way I planned. My center section emulates what Rick had initially designed, however with the usage of the non plunging axles, I will have no camber gain unless I adjust the outer heim joints to have 1 or 2 degrees of negative camber. I will be limiting the suspension to 38* at full droop witch will allow me to get just shy of 20" with a 12" shock. I even drew a full scale side view to locate the new engine as well. As of now, I will be running a 70 tooth sprocket in the rear and a 14 tooth up front.So below is my suspension. You may have to squint to see everything, but on the right side of the poster board are then inner pivots and the axle pivot. This shows the full range of travel. The arms will be 24" long. In this pic you can see the back of the car. I "modeled" in the engine sprocket to show the potential interference with the bulkhead. Seems to be working on paper. LOLThe below pic is of the front bulkhead plate. There is clearances for the chain. The rear bulkhead plate has the opening for the adjuster fork that I will be re using.I drew everything up on the water jet yesterday too.These plates will capture the inside of the control arm pivot points.
    Nowhere near the desert.
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    Re: West Michigan AR-51
    Member kustomfab2003's Avatar
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    Jan 2010
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    Appleton, WI
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    Nice!!
    Marine Veteran Sgt USMC 8151/8541 1992-2000
    Process Improvement Specialist Miller Electric MFG LLC
    CWI CWS CWE
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    Re: West Michigan AR-51
    Millenium Member Deranged's Avatar
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    Sep 2008
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    Allendale MI
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    Well, I done messed up....
    So, my vertical spread on my inner center section is 10". In theory this is fine, however when the center of your axle is 3.5" above the bottom pivot, the upright will not fit into the 14" wheel.... or a 15" wheel...... I found this minor detail after the center section is all tacked together.
    Well shit. I will have the vertical spread at 8" now. I KNOW this will work as I drew up some templates and mocked things up.
    I should have looked at this a long time ago.

    I have the new drawings made up as well as motor mounts now. One step back, but now I can go 3 steps ahead of that.....after I get back from Philly.

    Here is a large piece of scrap. HAA I can re use the tubes though. This Sunday I should have the new center tacked up with the motor mounts in place. The new design will be a little better in the long run too.


    Nowhere near the desert.
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    Re: West Michigan AR-51
    Keeper of the Asylum K-fab's Avatar
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    Jun 2006
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    Scottsdale, AZ. 10.9 miles from the trailheads
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    Bummer!
    But it makes me do a little happy dance knowing I’m not the only one that does these sorts of things.
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    Re: West Michigan AR-51
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    It sucks having to redo something like this. It's usually my luck that I have fully welded it because that part was 'done' so no need to check anything else.
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    Re: West Michigan AR-51
    Millenium Member Deranged's Avatar
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    Well after my bottom lip stopped shaking and I wiped my tears away(insert image of a 4 yr old that lost a toy), I got some stuff done.

    I re drew my inner bulkhead section, re drew my inner capture plates, drew my rear uprights and also cut said parts. I ended up with an 8" vertical spread between my arms. My upright clears the inside of my wheels and we are back on track!

    Yesterday I got it all tacked up as well as actually attached to the chassis! Next up is to build the new mid rail section for the back. This will take me cutting more of the original chassis. Where the "B" pillar attaches to the mid rail is where that will get cut and a new section that is longer and wider will meet the new vertical tubes on the bulkhead. While the cradle was sitting there, I aligned it to the new engine and made the lower tabs for that. This is very important as these 2 mounts center and square the engine to the chassis. Once I get some more tube work in place, the engine will go back in to establish the upper rear mounts as well as the top front mounts. PROGRESS!


    If you close one eye and squint really hard, you can kinda see how much longer the new chassis section is compared to the original. You can also see the clamped on piece of new 1.5" square as that is how far that new section will be coming back.
    Nowhere near the desert.
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    Re: West Michigan AR-51
    Super Moderator rowycoracing's Avatar
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    Sep 2005
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    Delicate surgery. Nice!
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