Subject:
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Compressors, Valves, and Other Wishes
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Newsgroups:
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lugnet.robotics, lugnet.build
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Date:
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Wed, 29 Sep 1999 20:35:54 GMT
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Viewed:
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1079 times
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> I really wish there was a way to control pneumatics with Mindstorms....
Yes, this is still a difficult problem.
The best solution I've seen is Linc's micro motor controlled valve at:
Hmm, it seems to have moved again... now at:
http://www.members.home.net/ourcreations/linc/linc02.html
I have built this valve control, but find the action between the gear
and worm gear less than ideal because of the stresses causes by the
very stiff valves.
LEGO could do us robot builders a huge favor if they designed another
valve (rotary type possibly) that could be easily controlled by a
micro-motor, or a valve/motor integration of some kind.
Give me proportional compact lego servos as well and I'd be a really
happy guy.
And while we're at it, I just finished my first stage attempt to
motorize/RCX control the new Super Car.
I used two motors for the drive train and one for the steering. I am
less than impressed with the car's speed and capabilities.
I think I'll be modifying it to accommodate four drive motors with
their own power supply, controlled by a single micro-motor electrical
switch attached to the RCX.
I have been thinking hard about ways to shift the transmission. This
will prove most difficult, but interesting... We'll see.
We need rechargeable battery packs and high performance motors.
We could also use more robust LEGO gears and axles with less slop.
Yes, it would still be LEGO, just a great deal better for mobile
constructions, mechanical devices and robots.
<ICS>
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Message has 1 Reply:
 | | Re: Compressors, Valves, and Other Wishes
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| (...) Agreed. I just built it too, and had problems with the micromotor shutting off and refusing to start again, even in the other direction. I also noticed that the center of the 24t gear isn't lined up with the pivot point of the valve, which (...) (25 years ago, 4-Aug-99, to lugnet.robotics)
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Message is in Reply To:
| | RE: RCX Controlled Air Compressor Tester
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| (...) Gee, thanks! (...) Let me know how this works out. Strangely enough, I have never actually used the pump do do anything other than test my limit switch. Here's where I whine and complain about having a good, paying job and a house, and wife, (...) (25 years ago, 29-Sep-99, to lugnet.robotics, lugnet.build)
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