Author |
Message |
Topic: Switch Schemes for Reliability |
Eric Page
Replies: 10
Views: 542
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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: 250
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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: 281
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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: 281
|
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: 905
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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: 1092
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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: 2041
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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: 6916
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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: 3097
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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: 1537
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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: 1333
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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: 1154
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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: 1742
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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: 1522
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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: 2438
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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 |
Topic: OVM14 MkIII, rev P1 |
Eric Page
Replies: 34
Views: 63271
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Forum: AeroElectric-List Posted: Fri Oct 06, 2023 9:06 am Subject: Re: OVM14 MkIII, rev P1 |
Thanks, Joe! I appreciate the confirmation.
-Eric |
Topic: OVM14 MkIII, rev P1 |
Eric Page
Replies: 34
Views: 63271
|
Forum: AeroElectric-List Posted: Thu Oct 05, 2023 3:15 pm Subject: Re: OVM14 MkIII, rev P1 |
That would work too. I tend to gravitate toward a minimal parts count
utilizing as much off-the-shelf process as possible. The popped breaker is
inherently 'latching' and the current state of the CB ... |
Topic: OVM14 MkIII, rev P1 |
Eric Page
Replies: 34
Views: 63271
|
Forum: AeroElectric-List Posted: Wed Oct 04, 2023 9:04 pm Subject: Re: OVM14 MkIII, rev P1 |
Those relays COULD be the ALT ON/OFF control devices powered through
a breaker just like the field of a wound-field alternator. The control switch
would pull to ground. The CBOVM module would tie t ... |
Topic: OVM14 MkIII, rev P1 |
Eric Page
Replies: 34
Views: 63271
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Forum: AeroElectric-List Posted: Tue Oct 03, 2023 6:01 pm Subject: Re: OVM14 MkIII, rev P1 |
That's very good advice, Joe. Screw it up and I'll have a crowbar whether I want one or not! |
Topic: OVM14 MkIII, rev P1 |
Eric Page
Replies: 34
Views: 63271
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Forum: AeroElectric-List Posted: Tue Oct 03, 2023 12:39 pm Subject: Re: OVM14 MkIII, rev P1 |
Wow! Thanks, Bob. That was WAY more than I expected. Sometimes
I feel like I should be making student loan payments for what I learn
on this forum.
The LM431 IS a zener. It's biased up thru 39 ... |
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