Subject:
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Re: LEGO RCX Skydivers
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 8 Nov 1999 13:31:37 GMT
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Original-From:
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Pete Hardie <pete.hardie@dvsg.sciatl.SPAMLESScom>
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Viewed:
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907 times
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Robert Munafo wrote:
>
> The tough parts are going to be getting the RCX to sign the legal form and pack
> its own parachute (-:
>
> In lugnet.general, Ian Sinclair writes:
> > [...] Wouldn't it be very cool to design and build LEGO Mindstorms
> > Skydivers! [...]
>
> 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 and the mechanisms
> to control its own movement through the air. I would guess one could be built
> small enough to test indoors, say in a high school gym.
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.
--
Pete Hardie | Goalie, DVSG Dart Team
Scientific Atlanta |
Digital Video Services Group |
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Message has 1 Reply:
 | | Re: LEGO RCX Skydivers
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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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Message is in Reply To:
| | Re: LEGO RCX Skydivers
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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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