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I've seen a website somewhere... A guy has done some real good testing (with help of RCX) regarding the performance of several pneum. pumps. Simple conclusion: the small one from Lego is the best, just use that one and leave the large ones with (...) (24 years ago, 29-Apr-01, to lugnet.technic)
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| | Re: springless pneumatic pump
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(...) I guess I'd better own up to prevent more people wasting their time and effort trying to remove the spring from the large hand pump. I think we have all been badly misled by the picture of the Recycler on the bottom of the RIS 1.0 box which (...) (24 years ago, 30-Apr-01, to lugnet.technic, lugnet.robotics)
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| | Re: springless pneumatic pump
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(...) Agree'd, I'd destroyed mine when I snipped off the spring only to have it not work well at all. I have a great 4 pump motor pack now. PSI! Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (24 years ago, 30-Apr-01, to lugnet.technic, lugnet.robotics)
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| | Re: springless pneumatic pump
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Where did you get a "4 pump motor pack "? -- Kenneth A. Drumm Ph.D. "Dean Husby" <nntp@akasa.bc.ca> wrote in message news:3AECE1EF.C6460E...a.bc.ca... <snip> (...) (24 years ago, 30-Apr-01, to lugnet.technic, lugnet.robotics)
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| | Re: springless pneumatic pump
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Yea, I kinda figured the big punp wasn't too good for the compresor pump. I did see that on your page, but I figured I'd try it anyhow. Part of my problem (and I'm kinda ashamed to say it) is that is actually the only pump I own, large or small. (...) (24 years ago, 30-Apr-01, to lugnet.technic, lugnet.robotics)
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| | Re: springless pneumatic pump
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(...) Hey, console yourself! It's not as useless as you think. In fact, the large pump worked by hand is the most efficient of all. Only thing you gotta supply the energy :-) (24 years ago, 30-Apr-01, to lugnet.technic, lugnet.robotics)
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| | Re: springless pneumatic pump
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(...) LOL yup...if you have a fast and powerful hand you can create a ton of pressure within seconds with this... BTW I recently acquired a pack of two small pumps for $10US from the Dacta site...so this might be a solution if you're looking for the (...) (24 years ago, 1-May-01, to lugnet.technic, lugnet.robotics)
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| | Re: springless pneumatic pump
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(...) Yea, it does seem to work well manually, I was just trying to get some of that mechnized action out of it. It's all about the tinkerin'. =) I saw the pumps on the Dacta site, but I'm afraid the finance committee (wife) has put a spending (...) (24 years ago, 1-May-01, to lugnet.technic, lugnet.robotics)
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| | Re: springless pneumatic pump
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(...) You have failed to point out that moving involves a lot of heavy lifting. This can be reduced significantly by placing heavy objects on air-cushioned platforms. Air-cushioned platforms require air pumps. Purchase justified. Matthias Jetleb (...) (24 years ago, 1-May-01, to lugnet.technic, lugnet.robotics)
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| | Re: springless pneumatic pump
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heheh I like it! it is justified! I'm gonna go buy some right now! Thanks for the good reasoning. =) Tom Heverly (...) (24 years ago, 2-May-01, to lugnet.technic, lugnet.robotics)
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| | Re: springless pneumatic pump
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(...) Agreed... Large pumps suck at being motorized. But has anyone ever tried mounting one to a piston-like assembly? Maybe something that pushes and pulls it much like a human hand would. I have been wondering for a while if this would be better (...) (24 years ago, 2-May-01, to lugnet.technic, lugnet.robotics)
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