Added: 3 years ago
From: RaptorXBen
Views: 674
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  • Nice and very simple! Congratulations. I would like to make my own vehicle using your idea. It seems you have the "anti-patent" mindset. You could use it as a statement in you videos. See my website, you have a logo there available. Se also an example in youtube here: v=CVmK6wkyJOc

  • I really like your idea. With some modification it could work on spokeless wheel designs too.

    Have you developed a working prototype yet?

  • The following youtube video seems related: v=6_41btVawMc&NR=1

  • I just figured out why the weight would *not* have to be 1/13th of the weight of the vehicle. After all, the system is not trying to lift the car, just move it. (wish I could take back that other comment).

    That aside, my only concern is the material's capability of withstanding the constant impacts from pounding the road.

    By the way, the more I think of your idea, the more I hope you get prize money for its development. It's quite the paradigm breaker.

  • Thanks a lot! It wouldn't take to much to finish this system, a bit of time to optimize with the proper resources. I don't think the shock forces seen by the magnets would be sufficient to cause demagnetization... even if it did, the cost isn't to much to prohibit replacement.

  • I read that the neodymium magnets can lift 13 times their own weight. Would that imply that a vehicle with this system would require that at least 1/13th of the total weight be magnets? If anything remotely so is true, I would have two concerns with respect to the size of the magnets: the amount of magnetism inside and outside the vehicle, and the possibility of magnet self destruction with continued impacts from being on wheels pounding road.

  • I like the concept.

    I'm wondering if demagnetization of the permanent magnets would be a problem.

    Expanding, however, on the idea, I also wonder if a "reversal" of the idea might be used on the mWheel to detect loss of traction in a 4-wheeled vehicle, but, most importantly, if traction detection is even necessary, by simply having 4-wheel drive all the time with a simple differential calculation incorporated into the timings of the signals sent to the wheels.

    Refreshing, regardless.

  • Hi, thanks for commenting. Demagnetization has been a problem in brushless motors employing neodymium magnets. This is due to them losing magnetism in moderately warm environments (only around 80 degrees C) and the high temperatures encountered in traditional encased motors. With the mWheel configuration, heat dissipation is greatly enhanced since the magnets rotate through ambient air for a period of each revolution.

  • This airflow and resulting low operating temperature allows use of the highest grade magnets.

    Your idea is right on. In a multi-wheeled vehicle (where more than 1 wheel is powered) the wheels would be controlled/powered centrally, negating the tendency to spin out. You would need to modify each wheels signal as a function of its instantaneous turning radius (a simple differential calculation as you said).

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