Re: nasa-celebrates-successful-mars-landing

Article View: sci.electronics.design

Article #154

Back to sci.electronics.design Previous Next

#154

From: Uwe Hercksen
Date: Wed, 08 Aug 2012 13:13

17 lines
1955 bytes


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

Technical Details

Message-ID: <a8f6uvFk0sU1@mid.dfncis.de>

Path:

arc1-ca.pugleaf.net!q11ni106756731wiw.1!nntp.google.com!feed-C.news.volia.net!volia.net!news2.volia.net!feed-A.news.volia.net!npeer.de.kpn-eurorings.net!npeer-ng0.de.kpn-eurorings.net!xlned.com!feeder3.xlned.com!feeder1.cambriumusenet.nl!feed.tweaknews.nl!80.86.168.138.MISMATCH!news-feed.eu.lambdanet.net!fu-berlin.de!uni-berlin.de!news.dfncis.de!not-for-mail

References: <a895o7Fa95U1@mid.individual.net> <jvpi34$2h9$1@reader1.panix.com> <50214054.9132D39F@bytecraft.com>

Show Full Headers

Complete Article Headers

X-Google-Thread: a5a6238865,7af901c0b69fae4
X-Google-Attributes: gida5a6238865,public,usenet
X-Google-NewGroupId: yes
X-Google-Language: ENGLISH,ASCII-7-bit
Received: by 10.216.84.129 with SMTP id s1mr674216wee.2.1344847883019;
        Mon, 13 Aug 2012 01:51:23 -0700 (PDT)
Path: arc1-ca.pugleaf.net!q11ni106756731wiw.1!nntp.google.com!feed-C.news.volia.net!volia.net!news2.volia.net!feed-A.news.volia.net!npeer.de.kpn-eurorings.net!npeer-ng0.de.kpn-eurorings.net!xlned.com!feeder3.xlned.com!feeder1.cambriumusenet.nl!feed.tweaknews.nl!80.86.168.138.MISMATCH!news-feed.eu.lambdanet.net!fu-berlin.de!uni-berlin.de!news.dfncis.de!not-for-mail
From: Uwe Hercksen <hercksen@mew.uni-erlangen.de>
Newsgroups: sci.electronics.design,aus.electronics,comp.arch.embedded
Subject: Re: nasa-celebrates-successful-mars-landing
Date: Wed, 08 Aug 2012 15:13:03 +0200
Lines: 18
Message-ID: <a8f6uvFk0sU1@mid.dfncis.de>
References: <a895o7Fa95U1@mid.individual.net> <jvpi34$2h9$1@reader1.panix.com> <50214054.9132D39F@bytecraft.com>
Mime-Version: 1.0
X-Trace: news.dfncis.de +CC65N5j7YUSBYV4/lldwAzk76EVOZG3KFTWDAaW+AFJ7biB3ggwRpNtK1wd2H
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; de-DE; rv:1.4) Gecko/20030619 Netscape/7.1 (ax)
X-Accept-Language: de-de, de
In-Reply-To: <50214054.9132D39F@bytecraft.com>
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit

Reply to Parent Message