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Thread: Robochallenge wheels

  1. #1

  2. #2
    Hi Dan

    We have had the same problem with them:

    We did get another one made but it was similarly as wobbly, however we have found that it doesn't affect the drive at all!

  3. #3
    Max's Avatar
    Member

    I'd imagine that by driving the robot around on a Tarmac floor it should wear the wheels down so they are less off centre. Failing that just get a 3/8" unf bolt and screw the wheels into that, stick the bolt in a centre lathe and turn a bit off the wheels so theta re perfectly round.
    But to be honest I doubt it will be a huge problem if the wheels are a bit off centre.

  4. #4

  5. #5
    i straiten my wheels by using a long 3/8 unf bolt and a soldering iron i warm the nut up and then use the bolt for leverage, it doesn't get them 100% but it gets them close enough

  6. #6

  7. #7
    Max's Avatar
    Member

    You could just hold a cordless drill in the vice with the bolt with the wheel attached in the chuck and spin it round holding a coarse file against it? Or if you have one stick it in the chuck of a pillar drill like Ellis did in his video of how to make wheels

  8. #8

  9. #9
    Has anyone contacted robochallenge about this? It could be worth a look into.

  10. #10

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