Subject:
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Re: I have a solution for freeing motor ports
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 2 Feb 2000 22:06:51 GMT
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Viewed:
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1891 times
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Sorry if I'm a little late getting to this thread -
It's possible to approach this problem mechanically. I used a
gear - switching setup similar to the shuttle / the supercar to
enable four motor outputs, two at a time.
To do this, I ran the output of motor A and motor b into parallel
axles in a gear box. I mounted the shuttle-style 16 tooth free-
spinning gears on the axles, and used the little slider-clutch
thingy to lock the rotation on one gear on each axle at a time.
Finally, I used motor c to drive the clutch apparatus - both clutches
at the same time. The result is that you can use A and B to drive
either one pair of outputs or the other. I built a simple tank
chassis (driven by one set of outputs), and a grabber claw (up-down,
open-close) with the other.
Jeff
William Desmarais wrote:
>
> You need at least 2 motors to drive your robot and sucessfuly control it.
> and you realy need 2 motors (at least) to make your robot pre form a multi
> task function.
>
> So this is my solution to this problem. Get the lego RC racer to drive
> your robot around. Then your left with all 3 outputs on the RCX. Last
> you can get the lego mindstorm remote to excute you robots programs from a
> distance.
>
> any feedback on what you think of this would be gerate.
>
> thanks
>
> Bill Desmarais
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Message is in Reply To:
 | | I have a solution for freeing motor ports
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| You need at least 2 motors to drive your robot and sucessfuly control it. and you realy need 2 motors (at least) to make your robot pre form a multi task function. So this is my solution to this problem. Get the lego RC racer to drive your robot (...) (25 years ago, 21-Jan-00, to lugnet.robotics)
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