Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/5/84; site mnetor.UUCP Path: utzoo!utcs!mnetor!fred From: fred@mnetor.UUCP (Fred Williams) Newsgroups: net.space Subject: Re: reentry of paper airplanes? Message-ID: <581@mnetor.UUCP> Date: Mon, 13-May-85 10:33:11 EDT Article-I.D.: mnetor.581 Posted: Mon May 13 10:33:11 1985 Date-Received: Mon, 13-May-85 12:14:22 EDT References: <1631@mordor.UUCP> <3000002@pbear.UUCP> Reply-To: fred@mnetor.UUCP (Fred Williams) Organization: Computer X (CANADA) Ltd., Toronto, Ontario, Canada Lines: 31 Summary: In article <3000002@pbear.UUCP> peterb@pbear.UUCP writes: > > > >Dick, > >I'm sorry, I should have stated that when someone was on an EVA, take >the paper airplane and THROW it toward the ground and against the orbit. >I think (don't have a simulator handy) that this would cause the paper >airplane to leave orbit and start a reentry. As the density of the air >increases, the paper airplane would(should) stabilze itself and slow down >at a fast enough rate (since it's drag/weight is quite high) to prevent it >from burning up when it hits the heavier atmosphere. The only problem >I can see is how longit would take to reach a stabilized position. > >Peter Barada >ima!pbear!peterb >ihnp4!inmet!pbear!peterb From a practical standpoint, the astronaut would have to have an awefully good arm. Depending on the orbit, the paper plane would need a velocity of several thousand miles per hour with respect to the spacecraft. I can't see the plane being thrown faster than 20 or 30 mph. considering that the thrower would be in a space suit. Even if you postulate a mechanical throwing device, it would probably destroy a paper plane, ( I think certainly, but I won't go overboard). So what would have to be done is go into re-entry orbit and eject the paper plane by some means. NOW! *Just how do you intend to observe what happens?* Cheers, Fred Williams