 | | Re: LEGO RCX Skydivers —Robert Munafo
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| | | The tough parts are going to be getting the RCX to sign the legal form and pack its own parachute (-: (...) Another idea you should consider, if you are at all up to the technology, is to build a balloon (or blimp) that can lift the RCX/Cybermaster (...) (25 years ago, 6-Nov-99, to lugnet.robotics)
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| | | | | Re: LEGO RCX Skydivers —Pete Hardie
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| | | | (...) I dunno. Some coworkers and I were investigating home-made helium blimps for a homegrown robotic dirigible race competition, and the amount of helium required to hold up a few ounces was staggering. (25 years ago, 8-Nov-99, to lugnet.robotics)
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| | | | | | Re: LEGO RCX Skydivers —Robert Munafo
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| | | | Either my calculations are wrong, or you have a different concept of what is a "staggering" amount of helium. Here are my calculations: Each gram-mole of gas at STP [1] takes up 22.41 liters (cubic decimeters) of space. The weight of a mole of air (...) (25 years ago, 9-Nov-99, to lugnet.robotics)
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| | | | | | Re: LEGO RCX Skydivers —Pete Hardie
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| | | | (...) Mostly my hyperbole.... Still, getting envelopes for that amount of helium is difficult. (25 years ago, 9-Nov-99, to lugnet.robotics)
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| | | | | | Re: LEGO RCX Skydivers —Chris Osborn
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| | | | (...) What about from Edmund Scientific? --- Chris Osborn FozzTexx Enterprises 707 226 7629 - Voice 2136 Coronado Ave. 707 581 1797 - Fax Napa, CA 94559 <fozztexx@fozztexx.com> (URL) (25 years ago, 9-Nov-99, to lugnet.robotics)
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