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Xkill Super build

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  • #16
    I will be running the futaba with ou servo stregthener and see how they go about...
    They will be on 3s straight, no bec.

    This is how my "skid less" pro looks like.
    The super will be the same.

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    Its only a bit of lexan so the rodends wont get stuck on the rocks.
    Its 25mm wide at the center and IMO works very well.


    • crawlercon
      crawlercon commented
      Editing a comment
      Sorry, took me a while to get back here. That a pretty cool concept. I'm guessing the lexan at the right is the front, and an electronics tray? I'm interesting in how the servos work without torque multipliers too. On my super the rear seems ok with the Hitec servos and strengtheners, but the front seem a little lacking. I finally bought the farm and got some Futaba A700s. I'll probably just throw one on the front and see how it does. If their advertised stats are accurate that is a hell of a strong servo, and doesn't change much as the battery runs down. I'd like to see how it compared to a Holmes servo powered on 4s. A700 might handle full 3s, some people say they run that way, but I doubt it will handle 4s. Just see if it gets hot I guess.
      Last edited by crawlercon; 12-19-2020, 09:46 PM.

    • Xkill
      Xkill commented
      Editing a comment
      Yes, that is my electronics tray.
      Maybe I'll do something similar on the Super, I will see what space I have to work with once I make links.
      I think the servos will be fine...
      Also I don't have a programmer for the futabas so the strengthener would also mean buying that.

  • #17
    I hate building links!...
    I dont have a setup table for a Super so I made on the desk.
    Axles are fixed to the table with some wood screws.

    I am building the links with the rig at full bump.
    So far I'm using traxxas bigbores but I will have to solve the issue of preload of the springs.


    • #18
      Do you think the center piece is going to be strong enough to take the torsion brought by a super?


      • #19
        When I did my 2.2 pro I made a 2mm plate with holes on it and I also cut an extra piece (spare), because I was not sure it would hold the abuse.
        7 years of abuse after it's still the OG piece...

        This will be 4mm without any holes so I think it will hold up.
        If not I will cut another one because I didn't do a spare one this time...


        • #20
          Latest Super Updates.
          I have tires and I also have the temporary links made.
          I will use 5mm Ti on the lower links and 4mm on the top links.


          • #21
            Let me just show the last update for this is as it has already hit the rocks a few times.

            Decided to cut new wheels from 3mm G10 and went to a different design front and rear. Why? Because I can and I liked both designs....
            Also designed the weight holders.
            They have tungsten in the lower part and Brass on the upper. Max weight is 304gr per side.

            Click image for larger version

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            To hold the weight hangers in place I have this 3d printed part with 2 screws on opposite sides.
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            To be sure they dont rotate I makr the place for these screws and just drill 1 or 2mm deep. Just be careful not to drill to the bearing pocket.
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            And that's that!
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            At this point I worked on the electronics (not much to see there).
            In the end I am running a HH SHV500 on the front and a Futaba A700 on the rear (both of them running 3S), HH BR mini and the 35t HH motors.

            Click image for larger version

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            Next I started working on the chassis skid.
            Almost 2h after I got it done!

            From this....
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            Also made front and rear skids.
            In the front it will hold the battery as well.

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            Looks nice under the sun!

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            Final weight of the pig:
            Just over 3.4Kg with a fully loaded front and no weight on the rear.

            Click image for larger version

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            And some bonus shots

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            After about 5 long duration packs of 1100 mah (plan on running 650 packs but these ones were borrowed to me) I can say I really like using this rig and adapted well to the rear steer, even if sometimes I still have to think about where I want to go!

            I also didn't like the design of the chassis skid and eventually removed it.
            I will try a different design.

            I will probably put longer shocks in the front to try something out...

            And, finally....
            I broke it already!!!

            The front right welded shaft didn't last long....
            I have a plan to fix it/improve it but I need some time and lathe work....

            I will try to come up with some videos in the future.

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