Subject:
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Re: Help please: I'm trying to get two outputs from one shaft
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Newsgroups:
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lugnet.technic
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Date:
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Wed, 28 Sep 2005 21:48:06 GMT
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Viewed:
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7263 times
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In lugnet.technic, David Wegmuller wrote:
> In lugnet.technic, Tony Hafner wrote:
> > I have one shaft that will be turned by a motor in either direction. And I want
> > to get two different outputs, based on which direction the motor is turning.
> >
> > When the Input shaft turns clockwise, Output 1 turns and Output 2 does not.
> > When the Input shaft turns counter-clockwise, Output 2 turns and Output 1 does
> > not.
>
>
> Hi Tony,
> Here is something I put together real fast during my lunch break:
> http://wegmuller.org/v-web/gallery/OneInTwoOut The movies are quite big (4MB a
> piece) but they show clearly how this thing works... Notice that it works in any
> position as the mechanism is balanced.
>
> An other approach to this is the "traveling worm gear": it relies on the fact
> that Lego worm gear slide freely along cross axles. If you're interested, I'll
> put one together tonight...
>
> Speaking of worm gears: if you need the non-rotating output to be locked when it
> is not driven, you can always use a worm gear between this mechanism and the
> application point.
>
> Greetings,
> David Wegmuller
That looks a very nice simple solution to the problem, the simple solutions are
usually the best! I will certainly be using it to give more function from the
auxiliary output of the RC car unit.
Tim
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