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Speaking of Lessons Learned

 
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nuckolls.bob(at)aeroelect
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PostPosted: Wed Mar 29, 2023 10:00 am    Post subject: Speaking of Lessons Learned Reply with quote

Electrical 'bonding' of components in aircraft
is accomplished for some combination of three
requirements (1) reliable connection of a
device to power ground, (2) mitigation of
radio frequency interference and/or (3)
managing the effects of electro-static
discharge (ESD).

Here's a good example of failure to manage
ESD back before we'd been schooled in
'lessons learned' . . . 1929

https://youtu.be/LR02blpCJMk

Some pretty cool detective work here . . .



Bob . . .

////
(o o)
===========o00o=(_)=o00o=========
< Go ahead, make my day . . . >
< show me where I'm wrong. >
=================================

In the interest of creative evolution
of the-best-we-know-how-to-do based
on physics and good practice.


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fly4grins(at)gmail.com
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PostPosted: Thu Mar 30, 2023 5:03 am    Post subject: Speaking of Lessons Learned Reply with quote

Quote:
There was an article in Air & Space Smithsonian quite a few years ago on this topic, and after a lot of research and calendar time the author came to the conclusion that static discharge was the culprit.  Some time later he happened to be near Friedrichshafen and stopped in to look around and see what the Zeppelin company might think on the topic.  It seems they'd come to the same conclucion at the time of the accident, but the conspiracy theories still held sway.  
Go figure. 


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