Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!caen!uwm.edu!linac!att!oucsboss!oucsace!mspurgeo From: mspurgeo@oucsace.cs.OHIOU.EDU (Mike Spurgeon) Newsgroups: rec.skydiving Subject: Re: Graph of osc'n due to high windforce Summary: stability no problem Message-ID: <3518@oucsace.cs.OHIOU.EDU> Date: 13 Jun 91 23:53:35 GMT References: <1991Jun11.084111.8668@cc.curtin.edu.au> <950@lhdsy1.chevron.com> Organization: Ohio University CS Dept., Athens Lines: 22 In article <950@lhdsy1.chevron.com>, yzarn@lhdsy1.chevron.com (Philip Yzarn de Louraille) writes: > Yes, I am interested by the simulator code. > Also, one thing does not seem obvious to me: I understand why the > velocity will be *high* but why are you expecting stability problems? (stuff deleted) > Also, why the 1.3 g? Should it not be 1? How could it be above 1 since > the skydiver is not inputting energy? He/she won't have a rocket up > their butt, will they? > Just curious. At a guess, the 1.3 G's is because the atmosphere is acting to 'decelerate' the jumper from his previous high velocity. Mass and inertia still apply. Regarding stability, Col. Kittenger felt he could have done without the 6 foot drogue, and that stability was _not_ a problem. Keep in mind that a premature deployment would be fatal. Mike Spurgeon Internet: mspurgeo@oucsace.cs.ohiou.edu