ohioip(at)yahoo.com
Guest
|
 Posted: Thu Dec 11, 2008 9:06 pm Post subject: AeroElectric-List Digest: 23 Msgs - 12/10/08 |
 |
|
OK, I've read the debate on the need for start-up protection and I can no longer resist the temptation to weigh in with my 2 cents' worth:
1) With all due respect to my learned colleagues, I worked in the aerospace industry for many years and have seen more than one product pass DO-160 testing and subsequently fail in-service due to aircraft electrical system issues. There are lots of reasons why this should not happen, but there are also lots of reasons why it does happen.
2) Many of the tests in DO-160 have a number of test categories with differing severity based on the anticipated electrical system characteristics to which the product will be exposed. However, the "anticipated" characteristics may or may not reflect the actual characteristics of any given OBAM aircraft. Further, not all equipment is necessarily tested to the most severe category of DO-160.
3) My aircraft is day/VFR, so a total electrical failure is a nuisance, not a crisis. Balancing the mission profile of MY aircraft and based upon my points above, I would rather deal with the risk of a single-point failure of the avionics master switch as opposed to the risk of damage to my avionics.
The foregoing is, admittedly, a personal choice that may not reflect others' situations or opinions. I think it best that we concede that, like politics and religion, reasonable minds may differ on the need for start-up protection. As Bob has said many times, as aircraft builders we must each make the choices that we deem appropriate for our aircraft.
Mike
--- On Wed, 12/10/08, AeroElectric-List Digest Server <aeroelectric-list(at)matronics.com> wrote:
[quote] From: AeroElectric-List Digest Server <aeroelectric-list(at)matronics.com>
Subject: AeroElectric-List Digest: 23 Msgs - 12/10/08
To: "AeroElectric-List Digest List" <aeroelectric-list-digest(at)matronics.com>
Date: Wednesday, December 10, 2008, 11:55 PM
*
==================================================
Online Versions of Today's List Digest Archive
==================================================
Today's complete AeroElectric-List Digest can also be
found in either of the
two Web Links listed below. The .html file includes the
Digest formatted
in HTML for viewing with a web browser and features
Hyperlinked Indexes
and Message Navigation. The .txt file includes the plain
ASCII version
of the AeroElectric-List Digest and can be viewed with a
generic text editor
such as Notepad or with a web browser.
HTML Version:
http://www.matronics.com/digest/digestview.php?Style=82701&View=html&Chapter 08-12-10&Archive=AeroElectric
Text Version:
http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter 08-12-10&Archive=AeroElectric
================================================
EMail Version of Today's List Digest Archive
================================================
----------------------------------------------------------
AeroElectric-List Digest Archive
---
Total Messages Posted Wed 12/10/08: 23
----------------------------------------------------------
Today's Message Index:
----------------------
1. 03:56 AM - Re: portable, handheld (bob noffs)
2. 04:53 AM - Re: Break a P+B toggle circuit breaker
(Robert Borger)
3. 05:53 AM - Re: Trim Speed (Dr. Andrew Elliott)
4. 06:07 AM - Crimping of machined D-sub pins with
4-Way Indent Pin Crimper (MauleDriver)
5. 06:54 AM - Re: Crimping of machined D-sub pins with
4-Way Indent Pin Crimper (Robert L. Nuckolls, III)
6. 07:00 AM - Re: portable, handheld (Larry Mac
Donald)
7. 07:35 AM - Re: Break a P+B toggle circuit breaker
(earl_schroeder(at)juno.com)
8. 07:47 AM - Re: Crimping of machined D-sub pins with
4-Way Indent Pin Crimper ()
9. 08:19 AM - Re: Trim Speed (Eric M. Jones)
10. 08:29 AM - Re: Need for start-up protection? (Eric
M. Jones)
11. 09:28 AM - Re: Need for start-up protection?
(Ernest Christley)
12. 09:34 AM - Re: Crimping of machined D-sub pins with
4-Way Indent Pin Crimper (MauleDriver)
13. 09:57 AM - Re: Re: Trim Speed (Robert L. Nuckolls,
III)
14. 10:01 AM - Re: Need for start-up protection?
(Robert L. Nuckolls, III)
15. 10:06 AM - Re: Crimping of machined D-sub pins with
4-Way Indent Pin Crimper (Werner Schneider)
16. 12:08 PM - Re: Crimping of machined D-sub pins with
4-Way Indent Pin Crimper (Charlie England)
17. 01:03 PM - Re: Need for start-up protection? (F.
Tim Yoder)
18. 02:00 PM - Re: Need for start-up protection? (Dale
Rogers)
19. 02:52 PM - Re: Crimping of machined D-sub pins with
4-Way Indent Pin Crimper (MauleDriver)
20. 06:01 PM - Re: Need for start-up protection?
(Bob-tcw)
21. 07:18 PM - Re: Crimping of machined D-sub pins with
4-Way Indent Pin Crimper (Ron Quillin)
22. 07:24 PM - Re: Crimping of machined D-sub pins with
4-Way Indent Pin Crimper (Ron Quillin)
23. 09:48 PM - Re: Break a P+B toggle circuit breaker
(rparigor(at)SUFFOLK.LIB.NY.US)
________________________________ Message 1
_____________________________________
Time: 03:56:07 AM PST US
From: "bob noffs" <icubob(at)newnorth.net>
Subject: Re: portable, handheld
joe, that's it! thanks, bob noffs
---
| | - The Matronics AeroElectric-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?AeroElectric-List |
|
|
|
Get Email Distribution Too!
FAQ
Search
Memberlist
Usergroups
Register
Profile
Log in to check your private messages
Log in
