 | | Re: RCX Controlled Air Compressor Tester
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(...) Hi, Ralph Your double-acting pump is still a cool design. I like the futuristic look. It was quite easy to build from the pictures. I had to substitute for the tall sloped brick but otherwise I followed the images faithfully. Of course, I'm (...) (25 years ago, 30-Sep-99, to lugnet.robotics, lugnet.build, lugnet.robotics.rcx)
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| | Re: RCX Controlled Air Compressor Tester
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(...) Hmmm .. Two stage might not be the correct term. Two stage would imply it was compressing already compressed air, right ? I am sorry about that. Double acting would probably be more correct as each compressor leads to it's own airtank then (...) (25 years ago, 29-Sep-99, to lugnet.robotics, lugnet.build, lugnet.robotics.rcx)
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| | Re: RCX Controlled Air Compressor Tester
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(...) I just read some of the earlier messages in this thread. I think Michael Powell deserves a medal for having not one, but two of his Lego designs get mentioned independently of one another in a single discussion. (25 years ago, 29-Sep-99, to lugnet.robotics, lugnet.build)
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| | Re: RCX Controlled Air Compressor Tester
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On Wed, 29 Sep 1999, Jeffrey Hazen (<01BF0A91.2AEA3130@...rthmill1>) wrote at 19:41:18 (...) heat it up? (25 years ago, 29-Sep-99, to lugnet.robotics, lugnet.build)
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| | Re: RCX Controlled Air Compressor Tester
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Hmm maybe I should clean up my Compressor design and add it to my Lego page I have expanded on the mini-compressor to make it double action - but full stroke. It is about twice as long as the mini pump, and a little wider due to three 24t gears. (...) (25 years ago, 29-Sep-99, to lugnet.robotics, lugnet.build, lugnet.robotics.rcx)
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| | Re: RCX Controlled Air Compressor Tester
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(...) Actually, I've been thinking about this for awhile, and I think there's an "easy" way to switch pneumatics under motor control. The rubber air hoses can be pinched shut with a reasonably small amount of force. It seems to me that you could use (...) (25 years ago, 29-Sep-99, to lugnet.robotics, lugnet.build)
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| | Re: Does anyone have the 8479 bar code truck?
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(...) The clutch gear is the same basic size as a normal 24-tooth gear, but the center (where the axle passes through) can spin freely if there is too much force holding the gear in place. I believe the gear says right on it that it will stall (...) (25 years ago, 29-Sep-99, to lugnet.build)
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| | Re: Does anyone have the 8479 bar code truck?
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(...) I have not seen what this clutch gear can do. Does anyone care to describe what makes it great to have? It has 24 teeth just like other gears, but what does the "clutch" part mean (apart from what a clutch means like in a car). Also, how are (...) (25 years ago, 29-Sep-99, to lugnet.build)
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| | Compressors, Valves, and Other Wishes
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(...) 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: (URL) have built this valve control, but find the action between the gear and worm gear (...) (25 years ago, 29-Sep-99, to lugnet.robotics, lugnet.build)
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| | RE: RCX Controlled Air Compressor Tester
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I don't have the parts, or I'd try it myself.... But can a full radial engine design (say 5 pumps) compressor be far behind? It begs the question: What are we going to do with this great volume of compressed air.... Jet robots? ;>) Jeff (...) (25 years ago, 29-Sep-99, to lugnet.robotics, lugnet.build)
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