Subject:
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Re: Automatic Transmission
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Newsgroups:
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lugnet.robotics
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Date:
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Sun, 10 Jan 1999 04:24:53 GMT
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Viewed:
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3690 times
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alex wetmore wrote in message ...
> I haven't seen pictures, but there were directions posted to the list.
> If you do a search on lugnet.com for "automatic transmission" then
> you'll find them.
>
> I tried to built it, but had some problems. The transmission seems
> to be dependent on friction between the worm gear and a pinion for
> shifting it into the next gear (the lower one). The problem that
> I had was that the worm gear would bounce back and forth on the edge
> of the high gear's pinion when in low gear. This was pretty loud
> and took a lot of energy. • Could you put a picture of it on your webpage, or an ldraw file
>
> I meant to ask the original designer about it, but haven't had a
> chance. It would be great if someone could put a picture of the
> built transmission on a webpage. If I could get it working it
> would be an interesting thing to add to the drive-motor on my current
> robot platform (which is getting more complex... i added some cool
> bumper sensors to it yesterday and will update the pictures on my lego
> homepage when I get a chance).
>
> Speaking of bumpers, I saw a pretty cool use for the rotation sensor's
> built into the CyberMaster set. That is to use them to detect when
> your robot has bumped into something. When it bumps into something its
> speed will fall, so you can detect this. Seems to be a good way to get
> all around bumpers with a minimal number of inputs (two rotation sensors
> would be required, one for each driving motor).
>
> alex
> http://www.phred.org/~alex/lego
>
> On Fri, 8 Jan 1999, Clay Aucoin wrote:
> > Has anyone found or has pictures or directions of this automatic
> > transmission that has been talked about before?
>
> --
> Did you check the web site first?: http://www.crynwr.com/lego-robotics
>
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Message is in Reply To:
 | | Re: Automatic Transmission
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| I haven't seen pictures, but there were directions posted to the list. If you do a search on lugnet.com for "automatic transmission" then you'll find them. I tried to built it, but had some problems. The transmission seems to be dependent on (...) (28 years ago, 9-Jan-99, to lugnet.robotics)
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