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My New Rock Racer
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Thread: My New Rock Racer

  1. #1
    Senior Member RickB's Avatar
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    My New Rock Racer

    I decided to order a GMAde R1 Rock Buggy because I've heard a lot of good things about them, and the youtube videos looked like fun. So here's my build thread.

    The I picked up the package this morning at my post office.



    I got to unpacking. First thing I noticed was the parts are very well constructed. Nothing to cut from parts trees either.



    First build the front axle.



    Then the rear axle.



    Yup, the portal axles were why I wanted this thing. They were bit of a pain to build but again they seem real beefy.

    Trans went together easy. It's a basic three gear trans. All the gears are plastic, hope they hold up.



    Next was the chassis.



    This thing is ultra light. It's also very rigid once assembled. I guess a plastic tuber might have some advantages.

    Links on and drivetrain all assembled.



    Bolted it to the chassis.



    Shocks assembled and installed...we have a roller.



    Now a few flex shots.





    One with it's little brother.



    I picked up the electronics for it today. Mamba max ESC, Castle BEC. Futaba 3PL radio and reciever. Gonna try a traxxas Velineon Brushless motor in her. We'll see how it works and decide what to do from there. I've got the Battery tray for the front axle, braces for the shock hoops and adjustable upper link mounts from Junfac on order. I don't know if I want to go rear steer or maybe dig in the future. May have pics with the body panels on in just a bit, the paint is drying right now.

  2. #2
    Administrator brazwewn's Avatar
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    Very nice and quick build. Do us a favor and get a tripod.

    Wes

  3. #3
    Administrator brazwewn's Avatar
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    Almost forgot when you are tired of those portal axles let me know.

    Wes

  4. #4
    Senior Member RickB's Avatar
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    Quote Originally Posted by brazwewn View Post
    Very nice and quick build. Do us a favor and get a tripod.

    Wes
    Sorry, I need to get a camera, this phone sux, it's because of the shape of the phone. When I hit the photo button, it tends to move.

    Here she is with the body panels, hope it's not too blurry.




  5. #5
    Administrator brazwewn's Avatar
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    Just giving you the business about the pics. I figured it was a phone. I can't wait to see this in person.

    Wes

  6. #6
    President JSLICK's Avatar
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    Looks very cool, are they axels similar to portal axels?
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    You may want to work on that link geometry. Looks like it has some wicked flex steer going on in some of those pix.
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  8. #8
    Senior Member RickB's Avatar
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    Yeah, I ordered the adjustable Upper link mount for it. It moves the upper links closer together on the axles, I figure that should help triangulate the links a bit better.

  9. #9
    Senior Member RickB's Avatar
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    Got her out for a quick shake down. She seems to work pretty good. I decided to use the 3s goat system in her. It Runs pretty hot on 3s with the current gearing. I guess she won't be that fast, so not really a rock racer after all. Still waiting on the upper link mounts and battery tray. Decided to order the dig setup. Also ordered the R7R skid to inboard the lower links, and Delrin bent lower links.

  10. #10
    Senior Member RickB's Avatar
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    Ok, got a few of the upgrades in and installed. Ripper 7 Racing makes nice stuff what can I say. The Skid and links fit perfectly. The links are high clearance delrin, and the skid inboards them to give the rig new geometry. I also installed the battery plate for the front axle and the new Servo plate. These were pretty standard. Also got the shock braces on. IO know everyone likes pictures. I'll snap a few tomorrow, hopefully they won't be too blurry. Moving the battery to the axle and re-locating the ESC sure cleaned up the wiring.

    BTW, I broke it the other day out on the rocks. Guess the front stub axle was the weakest link. I ordered a few for replacement and spares. Hopefully I can find some CVDs for this thing.

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