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Thread: Team Triforce Featherweight drum

  1. #31
    TechAUmNu's Avatar
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    Euan Mutch
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    Finally got round to taking a video of the drum testing.

    This is at 10500RPM, 60A motor current (can go to 90A), limited to 80% duty cycle by the erpm limit of the focbox. Spindown time is 53s.


  2. #32
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    Dominic
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    Ouch - that sounds brutal. What a beast! :0

  3. #33
    TechAUmNu's Avatar
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    Euan Mutch
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    Been working on a new design to solve our drive problems. When we got back we tried driving around again after fixing the front wheels and snapped both drive belts! So new plan is for 2 wheel drive on a wide chassis.

    This is the current idea, with a full 4mm hardox welded chassis.


  4. #34
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    Euan Mutch
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    Finished welding the frame, everything else is staying the same so should be quick to finish!
    JPEG_20190512_145123.jpgJPEG_20190512_165533.jpg

  5. #35
    Fine looking Bot really nice, but the weldings...

  6. #36
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    Euan Mutch
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    Haha yeah the top panel welds are pretty awful, but its just extra bits added on to clear the motors. I can clean it up later on.
    20190512_144336.jpg20190512_142607.jpg20190512_144348.jpg
    The interior welds are much better and more just to tack it in place before I did the welds on the bottom and edges.
    It was my first time using 7018 which is a right pain to restart.

  7. #37
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    Euan Mutch
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    Got the wheel shafts a bit shorter so they now fit. Checked everything fits. The drum mounts nicely, although I forgot a bit to put the locking bar so will need to cut up the old frame and bolt something on.

    Getting close on the weight now!
    20190515_195211.jpg20190515_195126.jpg20190515_200129.jpg

  8. #38
    McMullet's Avatar
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    Sam
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    That is a frightening amount of drum! Looks great.

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