Subject:
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Re: I am an Idiot (was Pneumatics Are Back!)
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 8 Sep 2000 20:05:32 GMT
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Viewed:
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740 times
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Dallas Hockley wrote:
> If anyone is wondering why the heck I'm doing this, I've found the
> pneumatics have a lot stronger grip on a claw, allowing larger objects
> to be picked up.
I agree there. When Lego discontinued the pneumatics I ran out and bought up as
many of the large pistons as I could... Now, of course, I'm short about 20 of the
valves with no cheap way to get more. heh. At $45 CDN it's **VERY** costly. But
there are the air tanks which I only have one.
I have created a 4 pump compressor that does a good job in keeping up with my
demanding projects. A few more tanks should even out the flow. I've been thinking
of picking up some of them 'Fishertechnics' electric valves for use with the RCX.
I will use them in conjunction with my (MS)2 Expander to give me 6 Valves on one
RCX. ( http://www.akasa.bc.ca/tfm/lego_wr.html ) It works VERY well for
controlling that sort of 'bot'.
It's the interfacing with the RCX and the Lego Valves that's the killer...
Dean
--
Coin-Op's For Sale!: http://www.akasa.bc.ca/tfm/coin-op.html
Dean's Lego Workshop: http://www.akasa.bc.ca/tfm/lego_wr.html
Vancouver Lego Club: http://www.akasa.bc.ca/vlc
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Message is in Reply To:
 | | Re: I am an Idiot (was Pneumatics Are Back!)
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| (...) Actually, I'm tackling that particular problem right now. I don't claim it's elegant, but I'm using the pneumatic valves interconnected with a robot arm in such a way that each time the arm goes up, valve A changes position. Then when it goes (...) (24 years ago, 7-Sep-00, to lugnet.robotics)
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