Subject:
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Re: A LEGO double-throw switch?
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 24 Aug 2005 17:39:31 GMT
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Viewed:
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1492 times
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In lugnet.robotics, Kevin L. Clague wrote:
> 45 degree angles are not so simple. Do you have a solution in mind? I know
> that one of the bent liftarms supports 45 degree angles, but they can be kind of
> gangly.
Actually, I was working on this very thing (45 degree angles) for a new GBC
module over the weekend. (you remember GBC, don't you? You know, the creature
that wouldn't die :) - thanks Steve for such a wonderful way to waste all my
free time :) ).
Using the double bend lift arms, you can achieve a 45 degree mount pretty
easily. They may seem a little big at face value, but we are talking about
mounting them alongside a conveyor belt that moves 10x10x10 crates. So, they
shouldn't seem too disproportionate.
That all being said, I still wonder if my idea about using a motor to turn
another motor that is connected to a polarity switch (detailed in a previous
post) would work. Those Lego motors are awfully efficient. I might just have
to try it at home tonight. This would be the same cost (2 motors @ $15 each + 1
polarity switch @ $10) as the 4 polarity switch solution. Plus, it would be a
little more elegant.
Bryan
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Message is in Reply To:
 | | Re: A LEGO double-throw switch?
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| (...) Well, given that technic is quantized down to stud or half stud sizes, the solution may not be obvious. The easiest angles to create are due to 3-4-5 triangles. Most of the bent liftarms are bent based on those angles. The tri-blade liftarms (...) (19 years ago, 24-Aug-05, to lugnet.robotics)
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