Author |
Message |
Topic: pinouts for a Lamar regulator |
Eric Page
Replies: 2
Views: 625
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Forum: AeroElectric-List Posted: Wed Jun 04, 2025 6:17 am Subject: Re: pinouts for a Lamar regulator |
I don't know if these will be helpful, but I was able to find a couple of documents related to this regulator or units like it.
First is a Textron Aviation service bulletin, SEB-24-06. It doesn't ... |
Topic: Project Prototype Clear-Out |
Eric Page
Replies: 0
Views: 520
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Forum: AeroElectric-List Posted: Thu May 29, 2025 1:15 pm Subject: Project Prototype Clear-Out |
I have several prototypes for recent projects on my bench that are excess to requirements. I'm offering them to anyone who wants one. Prices reflect my cost for circuit boards and components (no lab ... |
Topic: Low Voltage Warning Module |
Eric Page
Replies: 0
Views: 591
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Forum: AeroElectric-List Posted: Thu May 29, 2025 11:10 am Subject: Low Voltage Warning Module |
This project is a low voltage warning module based on Mr. Nuckolls' AEC 9005-110-X schematic, which he proposed in 2002 (attached below). This circuit monitors the connected bus voltage and flashes a ... |
Topic: Overvoltage Protection Relay Driver |
Eric Page
Replies: 1
Views: 1351
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Forum: AeroElectric-List Posted: Thu May 29, 2025 9:33 am Subject: Re: Overvoltage Protection Relay Driver |
I just uploaded a revised copy of the documentation for this project (now attached to the original post, above).
There was an error in the values specified for resistors R3 and R5. R3 should be 1. ... |
Topic: AOA LIMITER |
Eric Page
Replies: 5
Views: 1461
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Forum: AeroElectric-List Posted: Thu May 22, 2025 11:07 am Subject: Re: AOA LIMITER |
Many aircraft builders have the skills and smarts to install an AOA Limiter system in their homebuilt aircraft. We need an electronics guru to design the circuit and program the microcontroller. Eri ... |
Topic: Power Block DIagram: RV-14A |
Eric Page
Replies: 2
Views: 1072
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Forum: AeroElectric-List Posted: Tue May 20, 2025 7:22 am Subject: Re: Power Block DIagram: RV-14A |
As a conceptual diagram, it looks fine -- I see no errors in what you've done so far. |
Topic: Overvoltage Protection Relay Driver |
Eric Page
Replies: 1
Views: 1351
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Forum: AeroElectric-List Posted: Sat May 17, 2025 11:16 am Subject: Overvoltage Protection Relay Driver |
This post and the attached PDF document describe a heavily modified version of Bob's OVM-14 Mk III Overvoltage Protection Module. Instead of working as a crowbar, this design switches relay coils to ... |
Topic: opinions on product sought |
Eric Page
Replies: 8
Views: 3092
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Forum: AeroElectric-List Posted: Wed May 07, 2025 3:58 pm Subject: Re: opinions on product sought |
It seems to be a solution looking for a problem. The market is already awash in tried-and-tested fuse blocks that hold anywhere from single to dozens of fuses, making it easy to build buses that don' ... |
Topic: Elevator Trim Left Stick Priority |
Eric Page
Replies: 1
Views: 5577
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Forum: AeroElectric-List Posted: Wed Apr 16, 2025 9:37 am Subject: Elevator Trim Left Stick Priority |
I'm just sharing a project that I put together for myself, as I thought others might be able to get some use out of it. It's a board to give priority to the left trim switches (so the pilot can overr ... |
Topic: OVM-14 MkIII development (update) |
Eric Page
Replies: 13
Views: 11730
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Forum: AeroElectric-List Posted: Mon Apr 07, 2025 6:32 pm Subject: Re: OVM-14 MkIII development (update) |
There haven't been any updates on Bob's OVM-14 Mk III overvoltage protection module since Feb 2024 so I took a look at it to see what I could do. I found some minor things that might have been proble ... |
Topic: Deutsch, the big brother of Dsub |
Eric Page
Replies: 3
Views: 5310
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Forum: AeroElectric-List Posted: Fri Dec 20, 2024 9:30 pm Subject: Re: Deutsch, the big brother of Dsub |
Note: If the Matronics email system makes a mess of this message, please view it on the forum website. I included many links that are formatted for display on the forum and they may not translate pro ... |
Topic: Switching Antenna Between Panel-Mount & Handheld Radios |
Eric Page
Replies: 0
Views: 4099
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Forum: AeroElectric-List Posted: Thu Dec 19, 2024 9:47 pm Subject: Switching Antenna Between Panel-Mount & Handheld Radios |
The subject of switching an airplane's antenna between a panel-mounted VHF comm radio and a handheld backup has been discussed here several times in the past, with no good solution (at least none that ... |
Topic: Replace wire strippers in the 10-22 AWG range |
Eric Page
Replies: 3
Views: 7379
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Forum: AeroElectric-List Posted: Fri May 17, 2024 7:47 am Subject: Re: Replace wire strippers in the 10-22 AWG range |
I'll second the recommendation for the Ideal Industries StripMaster tool. You can buy one tool and multiple sets of dies to strip most common wire gauges.
Here are the part numbers and gauge range ... |
Topic: Switch Schemes for Reliability |
Eric Page
Replies: 21
Views: 21997
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Forum: AeroElectric-List Posted: Sun Apr 28, 2024 4:40 pm Subject: Re: Switch Schemes for Reliability |
That depends on what you're feeding through the diode (how much current it has to carry), and your tolerance for installation hassle. Generally speaking, you want something in a physically robust pac ... |
Topic: Switch Schemes for Reliability |
Eric Page
Replies: 21
Views: 21997
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Forum: AeroElectric-List Posted: Sat Apr 20, 2024 5:39 pm Subject: Re: Switch Schemes for Reliability |
Have you looked at Bob's newest electrical architecture, Z-101B?
http://www.aeroelectric.com/PPS/Adobe_Architecture_Pdfs/Z101B.pdf
This is his current state-of-the-art for an electrically depend ... |
Topic: Z18 LOM Installation Question |
Eric Page
Replies: 5
Views: 8427
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Forum: AeroElectric-List Posted: Fri Mar 29, 2024 8:34 am Subject: Re: Z18 LOM Installation Question |
That MSD noise filter is almost certainly a Nippon ChemiCon U36D series capactor (like [url=https://www.digikey.com/short/52pftq70]this one) with a red shrink-wrap over it and the price wildly inflate ... |
Topic: Matronics Web Repaired - Now Back Online... |
Eric Page
Replies: 6
Views: 7015
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Forum: AeroElectric-List Posted: Wed Mar 06, 2024 4:10 pm Subject: Re: Matronics Web Repaired - Now Back Online... |
The AeroElectric-List landing page loaded OK, but when I tried to click through to this thread, I got the error again. One reload attempt brought it up this time. |
Topic: Matronics Web Repaired - Now Back Online... |
Eric Page
Replies: 6
Views: 7015
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Forum: AeroElectric-List Posted: Mon Mar 04, 2024 3:35 pm Subject: Re: Matronics Web Repaired - Now Back Online... |
Matt, I've been seeing a lot of "phpBB : Critical Error" messages lately when viewing the AeroElectric-List web interface. Repeated forced-reloads will sometimes cause it to load, but it's ... |
Topic: Non-aircraft question (OK, maybe a plane with a galley) |
Eric Page
Replies: 2
Views: 3882
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Forum: AeroElectric-List Posted: Wed Dec 20, 2023 7:18 pm Subject: Re: Non-aircraft question (OK, maybe a plane with a galley) |
Unidirectional high voltage diodes like the CL01-12 in your oven, when paired with the HV capacitor, form a voltage-doubler that raises the transformer's ~2kV output to ~4kV to drive the magnetron. T ... |
Topic: AeroElectric-List Digest: 8 Msgs - 12/18/23 |
Eric Page
Replies: 1
Views: 3261
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Forum: AeroElectric-List Posted: Tue Dec 19, 2023 4:32 pm Subject: Re: AeroElectric-List Digest: 8 Msgs - 12/18/23 |
Stencils!
Amen. For one-off and prototype projects, I cheat and use a hot plate to reflow...
A good and basically free alternative to a hot plate is to put some fine sand into an old frying pan and ... |
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