---------------------------------------------------------- AeroElectric-List Digest Archive --- Total Messages Posted Mon 11/27/23: 6 ---------------------------------------------------------- Today's Message Index: ---------------------- 0. 10:37 AM - Make Sure You're Listed! List of Contributors Coming Soon! (Matt Dralle) 1. 10:23 AM - test (Matt Dralle) 2. 10:24 AM - Re: test (Matt Dralle) 3. 11:50 AM - Re: Make Sure You're Listed! List of Contributors Coming Soon! (ronaldcox) 4. 03:26 PM - Re: Re: Alternator Voltage Creeping Up (Robert L. Nuckolls, III) 5. 08:29 PM - Proper ground power plug wiring (Colyn Case) ________________________________ Message 0 _____________________________________ Time: 10:37:03 AM PST US From: Matt Dralle Subject: AeroElectric-List: Make Sure You're Listed! List of Contributors Coming Soon! Dear Listers, There's just a few more days left in this year's List Fund Raiser and that means the List of Contributors (LOC) is just around the corner! In December I post a list of everyone that so generously made a Contribution to support the Lists. Its my way of publicly thanking everyone that took a minute to show their appreciation for the Lists. Won't you take minute and assure that your name is on the upcoming LOC? Tell others that you appreciate the Lists. Making a Contribution to support the Lists is fast and easy using your Visa, MasterCard, or Paypal account: https://matronics.com/contribution Or, drop a personal check in the mail to: Matt Dralle / Matronics 581 Jeannie Way Livermore CA 94550 I would like to thank everyone that has so generously made a Contribution thus far during this year's List Fund Raiser! Remember that its YOUR support that keeps these Lists running and improving! Don't forget to include a little comment about how the Lists have helped you! Thank you! Matt Dralle Matronics Email List Administrator ________________________________ Message 1 _____________________________________ Time: 10:23:09 AM PST US Subject: AeroElectric-List: test From: "Matt Dralle" test -------- Matt Dralle Matronics Email List Administrator Read this topic online here: http://forums.matronics.com/viewtopic.php?p=512526#512526 ________________________________ Message 2 _____________________________________ Time: 10:24:17 AM PST US Subject: AeroElectric-List: Re: test From: "Matt Dralle" got it -------- Matt Dralle Matronics Email List Administrator Read this topic online here: http://forums.matronics.com/viewtopic.php?p=512527#512527 ________________________________ Message 3 _____________________________________ Time: 11:50:58 AM PST US Subject: AeroElectric-List: Re: Make Sure You're Listed! List of Contributors Coming Soon! From: "ronaldcox" Done! I see the PayPal link is working again. Thanks for making these lists available, Matt! They're invaluable for our community. -------- Ron Cox Glasair Super II F/T Under Construction at C77 - Still just about to fly! Read this topic online here: http://forums.matronics.com/viewtopic.php?p=512605#512605 ________________________________ Message 4 _____________________________________ Time: 03:26:48 PM PST US From: "Robert L. Nuckolls, III" Subject: Re: AeroElectric-List: Re: Alternator Voltage Creeping Up At 09:52 AM 11/22/2023, you wrote: >Bob, if you had to buy a regulator for an OBAM=C2 aircraft >with EFIS and EMS, and conventional lycoming engine, >legacy alternator, what would it be? I published an essay on this thread which HAS appeared in the AeroElectric-List archives on Matronics . . . I think it got published twice . . . first as a draft and then the final version. The matronics hardware was having a bit of indigestion so the posts did not show up in my email . . . but then, I had 'read' it already! Just in case any of you were having the same problems I was having, I've upgraded the essay to an illustrated article and posted it to: http://aeroelectric.com/articles/Regulator%20Selection/Alternator%20Regulato r%20Selection.pdf Access as you see fit . . . 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. ________________________________ Message 5 _____________________________________ Time: 08:29:22 PM PST US From: Colyn Case Subject: AeroElectric-List: Proper ground power plug wiring I have a ground power unit plug wired into my experimental airplane. It works great but if I leave it plugged in when it=99s powered down, it runs the battery down if left in that condition for long periods. I think I understand what is going on but I=99m not sure what to do about it. The plug is a standard Cessna type 3-pin plug. The little pin closes the relay which connects incoming power directly to the battery. I think what is going on is that if thes ship=99s battery is charged up and the GPU is disconnected from power, the ship=99s battery feeds power back through the GPU connection, thereby continuing to power the contactor which connects the GPU to the ship=99s battery. This doesn=99t use much power but eventually it sucks the ship=99s battery entirely dry. One way to solve this problem would be to put a big fat diode in the path from the GPU to the main battery. But I was wondering if someone has a more elegant idea. 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