Forum: Reliability & Maintainability Questions and Answers

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Posted by: Durga Rao (durga_k_rao@yahoo.com )
Organization:BARC
Date posted: Sat Dec 4 5:45:38 US/Eastern 2004
Subject: reliability
Message:
For predicting reliability of electronic equipment using mil-hdbk-217f(2), failure modes and their contribution is not specified. How to account for failure modes with this data bank. Can anybody please kindly clarify.

Replies:
Failure modes
John Cloarec Sun Dec 5 23:05:17 US/Eastern 2004

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Posted by: Bob Valerius (robert.valerius@ngc.com )
Organization:Northrop-Grumman Oceanic Systems
Date posted: Fri Dec 3 15:12:25 US/Eastern 2004
Subject: Relibility of Drive Belts
Message:
Hi. Does anyone know of a reliability model for drive belts? I realize they are listed in NPRD-95 but am hoping for a model that can predict life with stress parameters. Thanks!

Replies: (list all replies)
Drive Belt Reliability
BWD Tue Dec 7 14:40:05 US/Eastern 2004
drive belt reliability
Larry George Sat Dec 11 17:11:50 US/Eastern 2004

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Posted by: John Cloarec (jmcloarec@thsrc.com.tw )
Organization:IREG
Date posted: Thu Dec 2 3:42:34 US/Eastern 2004
Subject: Website accessibility
Message:
Journal of RAC, 3rd quarter : the website for new DoD Supportability Guidebook (page 23) is wrong.
Cannot be open. Have you another address? Thank John PS: try to send a message by "Contact Us" but when I put Taiwan, it's impossible, there is a bug in your form

Replies: (list all replies)
DOD Supportability Guidebook link
Mary Priore Thu Dec 2 14:16:59 US/Eastern 2004
Amateur :: Free Porno Pictures, Free Porn Movies
Alexx Thu Apr 5 7:56:34 US/Eastern 2007

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Posted by: Patrick Kidwell (pkidwell@teleinc.com )
Organization:Tele-Consultants, Inc.
Date posted: Tue Nov 23 13:18:43 US/Eastern 2004
Subject: Naval Unsheltered Environment
Message:
In performing the reliability prediction for a Navy SATCOM program the question of what opeating enviornment should be used for an antenna that is housed inside a radome is in question. The radome does not provide any protection for temperature, but does appear to provide some protection from solar radiation (less heat), rain, salt spray, etc. In the Reliability Toolkit, Table A11-2 GF can be converted to NU by multiplying the value by 0.3. Is there another factor that can be used for partial protection from the environment to cover this design application?

Replies:
ANT Behind RADOME
Joe Dzekevich Tue Nov 30 12:40:06 US/Eastern 2004

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Posted by: Olga G (olgy@hotmail.co.il )
Organization:IDF
Date posted: Wed Nov 17 17:05:29 US/Eastern 2004
Subject: residual component life after environmental testing
Message:
I would like to know if it is possible for Electronic components, after Environmental Testing, to be used as "usual" or are there any restrictions as to their residual life?
Is there any change in the failure rate as a consequense of these tests?

Replies:
Environmental Testing
BWD Mon Dec 6 10:58:42 US/Eastern 2004

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