---------------------------------------------------------- AeroElectric-List Digest Archive --- Total Messages Posted Wed 10/22/08: 6 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 02:10 PM - metal compatibility (Dennis Jones) 2. 02:32 PM - Re: metal compatibility (Hinde, Frank George (Corvallis)) 3. 04:21 PM - Re: metal compatibility (jaybannist@cs.com) 4. 04:52 PM - Re: metal compatibility (Jim Baker) 5. 07:27 PM - Re: Head Set Jack shoring out (Emrath) 6. 08:40 PM - Re: Wing-to-Fuselage electrical connections (marcausman) ________________________________ Message 1 _____________________________________ Time: 02:10:47 PM PST US From: "Dennis Jones" Subject: AeroElectric-List: metal compatibility What issues would one face with the compatibility of brass and stainless steel. Brass fittings, bolts and such through the firewall. Thanks Jonsey ________________________________ Message 2 _____________________________________ Time: 02:32:27 PM PST US From: "Hinde, Frank George (Corvallis)" Subject: RE: AeroElectric-List: metal compatibility None, they are both inert enough not to cause problems from corrosion. Frank ________________________________ From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectr ic-list-server@matronics.com] On Behalf Of Dennis Jones Sent: Wednesday, October 22, 2008 2:07 PM Subject: AeroElectric-List: metal compatibility What issues would one face with the compatibility of brass and stainless st eel. Brass fittings, bolts and such through the firewall. Thanks Jonsey ________________________________ Message 3 _____________________________________ Time: 04:21:58 PM PST US Subject: Re: AeroElectric-List: metal compatibility From: jaybannist@cs.com Inert or not (which has nothing to do with galvanic activity) brass and stainless steel a pretty far apart on the chart of galvanic activity.? In the presence of moisture, they will corrode. Jay in Dallas -----Original Message----- From: Hinde, Frank George (Corvallis) Sent: Wed, 22 Oct 2008 4:26 pm Subject: RE: AeroElectric-List: metal compatibility None, they are both inert enough not to cause problems from corrosion. ? Frank From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Dennis Jones Sent: Wednesday, October 22, 2008 2:07 PM aeroelectric-list@matronics.com Subject: AeroElectric-List: metal compatibility What issues would one face with the compatibility of brass and stainless steel. Brass fittings, bolts and such through the firewall. ? Thanks Jonsey ist">http://www.matronics.com/Navigator?AeroElectric-List ics.com .matronics.com/contribution ________________________________________________________________________ Email message sent from CompuServe - visit us today at http://www.cs.com ________________________________ Message 4 _____________________________________ Time: 04:52:45 PM PST US From: "Jim Baker" Subject: Re: AeroElectric-List: metal compatibility X-mailer: Pegasus Mail for Windows (4.41) X-SpamReason %%SpamReason%%: > What issues would one face with the compatibility of brass and stainless steel. Brass fittings, bolts and such through the firewall. http://www.eaa1000.av.org/technicl/corrosion/galvanic.htm The info is there to find..... Jim Baker 580.788.2779 Elmore City, OK ________________________________ Message 5 _____________________________________ Time: 07:27:06 PM PST US From: "Emrath" Subject: AeroElectric-List: RE: Head Set Jack shoring out Bob, I spoke to the electric man at our airport about this issue. He claims that the jacks have a 28v tip to accommodate BOSE head sets in the plane. It seems that the shorting occurs when the jack in plugged in which shorts out the audio panel's modulation side of panel. Does this make any sense? Marty Time: 08:19:34 PM PST US From: "Robert L. Nuckolls, III" Subject: Re: AeroElectric-List: Head Set Jack shoring out At 06:49 PM 10/20/2008 -0500, you wrote: > >Bob, > >I received this message from a FBO where I rent planes. Any idea why >this is even possible? > >"When flying Diamond aircraft at Wings of Eagles, headsets MUST be >plugged in BEFORE turning the radios on. If this procedure is not >followed, it could result in the headset jack shorting out, which >renders the jack inoperative & obviously not being able to communicate >effectively. Your adherence to this practice will result in a more >pleasant flight experience and less aircraft down time due to >maintenance. Thank you in advance for your cooperation" I am unaware of the physics that might justify such a protocol. It is true that for stereo headphones and depending on the design of the jack, right and left channels can be momentarily shorted together but I'm betting these are not stereo headset installations . . . and even so, momentary shorts between channels shouldn't be big deal. I've never encountered a microphone or headset installation where engaging or disengaging the connector while the radios are ON presents any kind of risk to the equipment. It would be interesting to talk to the technicians who are making repairs alleged to have been precipitated by ungraceful mating of headset connectors. Bob. . . M ________________________________ Message 6 _____________________________________ Time: 08:40:03 PM PST US Subject: AeroElectric-List: Re: Wing-to-Fuselage electrical connections From: "marcausman" Here's a link with pictures and part numbers for AMP CPC connectors, which work well for power (not coax) wires. http://www.verticalpower.com/forums/showthread.php?t=634 -------- Marc Ausman http://www.verticalpower.com RV-7 IO-390 Flying Read this topic online here: http://forums.matronics.com/viewtopic.php?p 9953#209953 ------------------------------------------------------------------------------------- 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.