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    Protodie new buggy design and build FXT630
    #1
    Protodie Master and Vendor ProtoDie's Avatar
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    Time to start a new build thread.

    I was working on this design last fall when I parked the design to build the 2 seat Vegas buggy


    Our MXT buggy is great for kids and fun for adults,,, but kinda small for adults and limited suspension 5-6" with the motor mounted on the swing arm which is just fine with limited travel.

    I wanted a slightly larger version of this with more suspension and performance more for the dads than the kids.

    this one is called FXT630

    55" wide 102" long 56" tall
    11" travel dual A arm front suspension
    11" travel swing arm
    1 1/4" dia tube roll cage and swing arm
    Honda 21hp V twin
    CV-tech CVT clutch set up

    no reverse in this one

    almost done with design, plan to start making prints, cutting steel and ordering laser plates Friday
    We are building 2 full turnkey

    This size model and performance has been on my list forever

    couple teaser pics








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    Re: Protodie new buggy design and build FXT630
    #2
    Protodie Master and Vendor ProtoDie's Avatar
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    FXT chassis design pics, first frame and jigs are going well.
    most of the frame / rollcage is done and I dig it

    Laser cut parts showed up today,,,,,we will probably be testing in less than two weeks before they go to powder coat. Building 3 turn key right now,,, then more. One for me :-)
    I went fancy laser crazy in this one to increase performance, reduce weight while maintaining strength,, save build time,,, and just look cool

    I'll share some steel frame pics tomorrow




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    Re: Protodie new buggy design and build FXT630
    #3
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    Nice
    Going with solid swing arm?
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    Re: Protodie new buggy design and build FXT630
    #4
    Protodie Master and Vendor ProtoDie's Avatar
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    yes, swing arm on this model.

    simple and works good on our MXT buggies.
    unlike the MXT buggies the motor is mounted in the frame and not on the swing arm , so suspension will work even better

    I have designed and built articulating straight axles that work well , and independent dual a arm in other models , but do not see the need or additional expense in this one.
    Yet I have enough room in the rear hoops to put different motors or suspension setups if someone wants that



    we started cutting steel for this new model build on Tuesday, frame almost done by Saturday with building jigs and fixtures too,,, busy week.

    probably test driving it in a week or so :-)




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    Re: Protodie new buggy design and build FXT630
    #5
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    Looking good
    Yes I agree solid swing arm is the simplest with the least maintenance
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    Re: Protodie new buggy design and build FXT630
    #6
    Protodie Master and Vendor ProtoDie's Avatar
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    Thanks Taz

    steering, seat mounts, front A arm mounts, front A arms complete


    fuel cell will be tig welded 1/8" aluminum
    created cad files for fuel cells, body panels, dash , vent plates , spoiler and bead lock rings (simulated, so just beauty rings)
    sending the rest of the files to laser tomorrow

    more parts clutches, shocks, seats, rear hubs, axles, and engines should all be rolling in this week

    more pics later this week
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    Re: Protodie new buggy design and build FXT630
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    Protodie Master and Vendor ProtoDie's Avatar
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    on the rotisserie for weld



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    Re: Protodie new buggy design and build FXT630
    #8
    Protodie Master and Vendor ProtoDie's Avatar
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    update and picture time.
    current scale weight is 472lbs. projected finish weight is 550lbs

    wheels and tires are just temp old ones for test drive,,,, probably in 3 days or less

    nuff talk, pics
























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    Re: Protodie new buggy design and build FXT630
    #9
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    first test drive yesterday :-)
    everything worked great right out of the box,
    the Honda GX630 motors are sooooo much better than the Predator 670, instant start and run smooth
    gear ratios are good at 7:1 with 20" tires

    started the test drive with a burnout out of the shop, then drifting around the driveway loop,, then on to the race track,,, real fun

    Track needed work and had to grade it before more testing,,,, plus too dusty.
    luckily rain came last night and watered the track for me.

    more testing today and will try to get some video footage.
    it will be a few days before I can get any video edited and uploaded on line.

    test days are fun :-)
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    Re: Protodie new buggy design and build FXT630
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    Hey Protodie, that looks like fun! What are you hoping to get for speed with this setup and how's the acceleration?
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