Subject:
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Re: Robotic Wheelchair
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 2 Jul 1999 17:23:28 GMT
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Viewed:
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1023 times
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25 lbs is 25 lbs
-S.I. Newton
Nick Goetz wrote:
> Most definitely. Since the 25lbs of lead is heavier it was more impressive.
> But now that I think about it, they never did show what was in the bag. It
> might have been a trick.
>
> -Nick
>
> Kekoa Proudfoot wrote in message ...
> > rmtmd <rmtmd@concentric.net> wrote:
> > > Watching it climb stairs was impressive, but seeing the chair stand
> > > upright on two of its four wheels while the occupant caught a 25lb sack
> > > of lead, all without the robotic chair even appearing to correct its
> > > balance was amazing.
> >
> > Hrm. I wonder if things would have been different if the occupant had
> > caught a 25 lb sack of feathers? Probably.
> >
> > -Kekoa
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Message has 4 Replies:
 | | Re: Robotic Wheelchair
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| How true. But, to be fair, some 25 lb. things are easier to catch than others. What a silly little discussion this is! ;] (...) (25 years ago, 2-Jul-99, to lugnet.robotics)
| | | Re: Robotic Wheelchair
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| (...) and Nick responded: some people have an extremely limited sense of humor! - - - Nick - - - -- Did you check the web site first?: (URL) (25 years ago, 2-Jul-99, to lugnet.robotics)
| | | Re: Robotic Wheelchair
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| But *catching* 25 lbs of lead is different than catching 25 lbs of feathers. The G forces during impact (which in turn affect the forces needed to maintain balance) vary tremendously depending on the shape, size, and compressive properties of the (...) (25 years ago, 2-Jul-99, to lugnet.robotics)
| | | Re: Robotic Wheelchair
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| Well, you are all obviously discounting the amount of powder used to fire the projectile... Having not seen the article or the video, I had thought that the occupant hand caught the weight as it was tossed to him (which puts a very different (...) (25 years ago, 2-Jul-99, to lugnet.robotics)
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Message is in Reply To:
| | Re: Robotic Wheelchair
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| Most definitely. Since the 25lbs of lead is heavier it was more impressive. But now that I think about it, they never did show what was in the bag. It might have been a trick. -Nick Kekoa Proudfoot wrote in message ... (...) (25 years ago, 2-Jul-99, to lugnet.robotics)
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