---------------------------------------------------------- AeroElectric-List Digest Archive --- Total Messages Posted Thu 03/30/23: 2 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 06:03 AM - Re: Speaking of Lessons Learned (GLEN MATEJCEK) 2. 06:10 AM - Re: AeroElectric-List Digest: 2 Msgs - 03/29/23 (Jack Bell) ________________________________ Message 1 _____________________________________ Time: 06:03:50 AM PST US From: GLEN MATEJCEK Subject: AeroElectric-List: Re: Speaking of Lessons Learned > > 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. ________________________________ Message 2 _____________________________________ Time: 06:10:36 AM PST US Subject: AeroElectric-List: Re: AeroElectric-List Digest: 2 Msgs - 03/29/23 From: Jack Bell I had to do a double take. During the lab analysis, 37 minutes into the video, the voltage measurements are being done with a high-dollar multi-meter.. one of the red freebies from Harbor Freight.. Jack, in Austin > Time: 11:00:13 AM PST US > From: "Robert L. Nuckolls, III" > Subject: AeroElectric-List: Speaking of Lessons Learned > > > 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. > > > > > > > ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message aeroelectric-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/AeroElectric-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/aeroelectric-list Browse Digests http://www.matronics.com/digest/aeroelectric-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.