Subject:
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Re: Pneumatics and its uses
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 11 Jul 2000 00:53:49 GMT
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Viewed:
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863 times
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> 3. Use solenoid operated air valves to operate the pneumatic stuff.
>
> I have already tried and rejected 1 and 2. I am on 3. There's a guy
> on ebay who has been selling Clippard ETO 3 valves. They are 6 volt
> devices and seem to work just great at the pressures involved. I am
> in the process of building a 6 "channel" controller, so I can control
> six lego pneumatic circuits.
Sounds good! I checked out the Clippard home page and I can't find the
valves you are referring to. Nor can I find any relevant EBay auctions. Do
you have any more info?
One thing that I tried is running the bot off liquified gas. CFC's would be
ideal, but I guess Butane will have to do. I realy hope my robot doesn't
explode! The advantage of liquified gas is that you can get hours of
constant pressure from a small can. Compressed gas will always give
variable pressure; and unless you're talking scuba-tank 200ATM presures with
regulators et.el. you just have to have an onboard compressor. I've never
seen a good lego design for a compact, high volume compressor yet. The ones
I make are always enormous!
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Message has 1 Reply:
 | | Re: Pneumatics and its uses
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| (...) What sort of prices are we talking about here? I found some small, low power electronic valves here in Australia; (geez there's a lot of terminology in this industry) they cost $126!! Ouch! I was thinking that you might be able to get (...) (24 years ago, 11-Jul-00, to lugnet.robotics)
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Message is in Reply To:
| | Re: Pneumatics and its uses
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| There are a couple of options for the addition of pneumatics to RCX based lego creations. 1. Use technics motors to drive technics valves to operate the pneumatic stuff. Kind of a waste though, why not just use the motors directly. 2. Use R/C servos (...) (24 years ago, 23-Jun-00, to lugnet.robotics)
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