Author |
Message |
Topic: OVM-14 MkIII development (update) |
Eric Page
Replies: 13
Views: 7687
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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: 2355
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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: 1709
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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: 5121
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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: 15398
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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: 15398
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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: 6936
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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: 6493
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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: 6493
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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: 3507
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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: 2900
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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 ... |
Topic: OVM-14 MkIII development (update) |
Eric Page
Replies: 7
Views: 4621
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Forum: AeroElectric-List Posted: Mon Dec 18, 2023 3:07 pm Subject: Re: OVM-14 MkIII development (update) |
Those Chinese T-962 reflow ovens are well known in the hobbyist community for having hot and cold spots, sometimes poor internal wiring, and for not following [url=https://www.ipc.org/TOC/IPC-7801.pdf ... |
Topic: CHT/EGT connectors |
Eric Page
Replies: 6
Views: 10370
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Forum: AeroElectric-List Posted: Sun Dec 10, 2023 8:45 am Subject: Re: CHT/EGT connectors |
I have no idea what brand of PIDG Alcor used. The ones I purchased look identical.
[url=https://www.te.com/usa-en/products/brands/pidg.html?tab=pgp-story]PIDG (Pre-Insulated Diamond Grip) is a tradem ... |
Topic: DB9 Cover |
Eric Page
Replies: 14
Views: 6748
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Forum: AeroElectric-List Posted: Fri Dec 01, 2023 6:34 pm Subject: Re: DB9 Cover |
There's a good alternative to Deutsch connectors. Amphenol make exact duplicates of the entire range of Deutsch parts. Every component is entirely interchangeable with the equivalent Deutsch parts a ... |
Topic: OVM14 MkIII, rev P6 |
Eric Page
Replies: 3
Views: 2504
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Forum: AeroElectric-List Posted: Sun Nov 05, 2023 12:09 pm Subject: Re: OVM14 MkIII, rev P6 |
Lucky catch on the backwards footprint. It all looks dandy to me now.
I'd be very interested to read what you have planned for temperature testing.
I had a PCB screw-up recently too. I failed ... |
Topic: Progressive Toggle Switch is Hard to Find |
Eric Page
Replies: 3
Views: 2561
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Forum: AeroElectric-List Posted: Fri Nov 03, 2023 2:56 pm Subject: Re: Progressive Toggle Switch is Hard to Find |
Jeff, what do you want to control with the S700-2-10, and how do you want it to work?
The S700 switches are not progressive. It's anyone's guess what the -2-50 actually is, as there's no option fo ... |
Topic: OVM14 MkIII, rev P2 |
Eric Page
Replies: 1
Views: 1894
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Forum: AeroElectric-List Posted: Wed Oct 25, 2023 6:29 pm Subject: Re: OVM14 MkIII, rev P2 |
Any assistance with making sure it wasn't a foggy day at this end is appreciated.
It looks to me that the layout matches the schematic perfectly. Just a few comments to offer:
Suggest not placing ... |
Topic: Exceptional product alert |
Eric Page
Replies: 8
Views: 4097
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Forum: AeroElectric-List Posted: Wed Oct 18, 2023 9:03 am Subject: Re: Exceptional product alert |
Link returned a "400 Bad Request" error.
Try this: https://amz.run/7DJO |
Topic: Wire Installation Guidelines |
Eric Page
Replies: 4
Views: 2687
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Forum: AeroElectric-List Posted: Wed Oct 11, 2023 9:01 pm Subject: Re: Wire Installation Guidelines |
And, if you need to stand the wire bundle off from the structure, just cut a short length of rubber hose (1/4" ID works well) of exactly the length you need. Pass the zip tie through the rubber ... |
Topic: 3-phase current monitor |
Eric Page
Replies: 4
Views: 3512
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Forum: AeroElectric-List Posted: Mon Oct 09, 2023 12:48 pm Subject: Re: 3-phase current monitor |
How funny -- we were both working on this at the same time.
Here's what I came up with. LED is off under normal ops and illuminates if a phase goes missing.
-Eric |
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