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Article #91Re: nasa-celebrates-successful-mars-landing
From: josephkk
Date: Fri, 10 Aug 2012 03:12
Date: Fri, 10 Aug 2012 03:12
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On Wed, 08 Aug 2012 15:13:03 +0200, Uwe Hercksen <hercksen@mew.uni-erlangen.de> wrote: > > >Walter Banks schrieb: > >> There was certainly lots of redundancy. One number that is still >> impressive was that with all of the redundancy NASA identified about >> 250 remaining single point possible failures. The math on that many >> series terms makes the comment understandable. > >Hello, > >redundancy is possible for small and critical parts, but there are also >some large critical parts, the main rocket engines, the tanks, the heat >shield. You may use three instead of one parachute, but does it work >with only two of three parachutes? > >Bye In the instances i have been privileged to look at two of three works as some acceptable damage risk, one of three generally includes serious damage risk usually considered casualty mode case (barely walking wounded). ?-)
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From: josephkk <joseph_barrett@sbcglobal.net>
Newsgroups: sci.electronics.design,aus.electronics,comp.arch.embedded
Subject: Re: nasa-celebrates-successful-mars-landing
Date: Thu, 09 Aug 2012 20:12:11 -0700
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