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  Topic: Z18 LOM Installation Question
user9253

Replies: 1
Views: 25

PostForum: AeroElectric-List   Posted: Thu Mar 28, 2024 8:46 am   Subject: Re: Z18 LOM Installation Question
I am not necessarily recommending these parts that I found online.
They might or might not be a suitable replacement.
https://www.autozone.com/ignition/noise-filter/p/msd-8830-noise-filter/139779_0_ ...
  Topic: Which Oil Pressure Switch?
user9253

Replies: 42
Views: 9964

PostForum: AeroElectric-List   Posted: Tue Mar 26, 2024 11:03 am   Subject: Re: Which Oil Pressure Switch?
I used the XH-M609 for a low voltage shutoff and posted about it here with directions:
http://forums.matronics.com/viewtopic.php?t=16776629&postdays=0&postorder=asc&start=20
I believe th ...
  Topic: Which Oil Pressure Switch?
user9253

Replies: 42
Views: 9964

PostForum: AeroElectric-List   Posted: Tue Mar 26, 2024 10:20 am   Subject: Voltage Controlled Switch
eBay item number:364742288098 might be the device that you are looking for.
Or maybe this one from Amazon:
https://www.amazon.com/XH-M609-Digital-Disconnect-Discharge-Protection/dp/B07WRZSJ5M
Instr ...
  Topic: PZL 104 Wilga 80 Tachometer
user9253

Replies: 1
Views: 41

PostForum: AeroElectric-List   Posted: Sun Mar 24, 2024 6:18 am   Subject: Re: PZL 104 Wilga 80 Tachometer
Is your meter capable of measuring frequency? If not, try AC.
The vast majority of electrical problems are due to bad electrical connections.
Check for a loose or corroded connection or a broken wi ...
  Topic: LM386 Output Capacitor
user9253

Replies: 3
Views: 83

PostForum: AeroElectric-List   Posted: Wed Mar 20, 2024 3:39 pm   Subject: Re: LM386 Output Capacitor
I made the Texas Instruments square wave oscillator, substituting a
speaker for the load resister. It works but with a high pitched tone.
So then I went back to Forrest Mims' alarm circuit and put ...
  Topic: LM386 Output Capacitor
user9253

Replies: 3
Views: 83

PostForum: AeroElectric-List   Posted: Wed Mar 20, 2024 7:57 am   Subject: Re: LM386 Output Capacitor
Thanks for that circuit Charlie. I will give it a try.
  Topic: LM386 Output Capacitor
user9253

Replies: 3
Views: 83

PostForum: AeroElectric-List   Posted: Wed Mar 20, 2024 5:36 am   Subject: LM386 Output Capacitor
Radio Shack's Engineer's Notebook by Forrest Mims is my favorite book.
https://www.zpag.net/Electroniques/Kit/The%20Forrest%20Mims%20Engineers%20Notebook.pdf
One page is devoted to the LM386. I mad ...
  Topic: AeroElectric-List Digest: 1 Msgs - 03/06/24
user9253

Replies: 1
Views: 61

PostForum: AeroElectric-List   Posted: Mon Mar 18, 2024 6:36 am   Subject: Re: AeroElectric-List Digest: 1 Msgs - 03/06/24
Matt repaired AeroElectric on Fri, 08 Mar 2024. It has been working fine since. But nobody has posted anything since then.
  Topic: Matronics Web Repaired - Now Back Online...
user9253

Replies: 6
Views: 192

PostForum: AeroElectric-List   Posted: Mon Mar 04, 2024 4:15 pm   Subject: Re: Matronics Web Repaired - Now Back Online...
I also have been having trouble opening the AeroElectric List.
After trying several times, I might eventually succeed.
Below is a copy of the error message that I get:

phpBB : Critical Error
Er ...
  Topic: Radio Interference
user9253

Replies: 3
Views: 75

PostForum: AeroElectric-List   Posted: Sat Mar 02, 2024 8:06 pm   Subject: Re: Radio Interference
Try listening using a hand-held radio running on its own internal battery power.
If there is no ignition noise on the hand-held radio, then it can be assumed that
the noise in the aircraft radio is ...
  Topic: help for tap off starter cable
user9253

Replies: 3
Views: 177

PostForum: AeroElectric-List   Posted: Thu Feb 22, 2024 11:36 am   Subject: Re: help for tap off starter cable
If Charlie's good advice does not fit your situation and you think it better to
make a splice, then I would NOT make a flag terminal as described in fig 9-5
because it is designed for connecting t ...
  Topic: 2nd LSE Standby Power.
user9253

Replies: 7
Views: 236

PostForum: AeroElectric-List   Posted: Sat Feb 03, 2024 8:17 pm   Subject: Re: 2nd LSE Standby Power.
While the main alternator is running, the 5AH standby battery should be
connected to the main bus to keep the standby battery charged.
My last schematic accomplishes that with only a diode. There ...
  Topic: 2nd LSE Standby Power.
user9253

Replies: 7
Views: 236

PostForum: AeroElectric-List   Posted: Sat Feb 03, 2024 11:53 am   Subject: Re: 2nd LSE Standby Power.
You are right Charlie. I was wrong. I mistakenly thought the battery was
supposed to supply power to the main bus. Below are two schematics.
The top one functions the same as the OP's. The bott ...
  Topic: 2nd LSE Standby Power.
user9253

Replies: 7
Views: 236

PostForum: AeroElectric-List   Posted: Thu Feb 01, 2024 7:07 pm   Subject: Re: 2nd LSE Standby Power.
I agree with Charlie about using 2 separate switches.
Put dots on your schematic at wire junctions.
The diode is backwards.
  Topic: Z-12N based architecture review request
user9253

Replies: 8
Views: 352

PostForum: AeroElectric-List   Posted: Tue Jan 30, 2024 3:11 pm   Subject: Re: Z-12N based architecture review request
The MZ-30L regulator output terminal 2 provides ground for an indicator light.
The light needs to get positive from a fuse connected to the aircraft main power bus.
Notice that there is a "Pi ...
  Topic: Z-12N based architecture review request
user9253

Replies: 8
Views: 352

PostForum: AeroElectric-List   Posted: Mon Jan 29, 2024 5:31 am   Subject: Re: Z-12N based architecture review request
Esco, your schematic shows 4 wires going from the MZ-30L generator to the aircraft electrical system.
The MZ-30L installation manual shows ZERO wires going from the MZ-30L generator to the aircraft e ...
  Topic: Z-12N based architecture review request
user9253

Replies: 8
Views: 352

PostForum: AeroElectric-List   Posted: Fri Jan 26, 2024 3:15 pm   Subject: Re: Z-12N based architecture review request
The Monkworkz MZ30L is NOT wired like most alternators. Read the installation manual.
https://docs.google.com/document/d/1BckaSN06Lv4BYY07AfHk3YRvx8b60yybpX0qHB-Mymc/edit
Below is my interpretation ...
  Topic: Shorts & Blown Fuse
user9253

Replies: 1
Views: 127

PostForum: AeroElectric-List   Posted: Fri Jan 26, 2024 1:27 pm   Subject: Re: Shorts & Blown Fuse
This is the link that I use for the AeroElectric List:
http://forums.matronics.com/viewforum.php?f=3
-
Fuses can blow from old age or vibration, excessive ambient temperature,
excessive current, ...
  Topic: Shorts & Blown Fuse
user9253

Replies: 1
Views: 127

PostForum: AeroElectric-List   Posted: Fri Jan 26, 2024 6:35 am   Subject: Shorts & Blown Fuse
Hello Joe, hello Bob.
Apologies for e-mailing you both off forum but I have difficulties when trying to post to the AeroElectric forum.
I'd like to ask a couple of questions and if it is possible, c ...
  Topic: Z101B and battery in the rear wiring question
user9253

Replies: 6
Views: 216

PostForum: AeroElectric-List   Posted: Wed Jan 24, 2024 7:49 am   Subject: Re: Z101B and battery in the rear wiring question
Werner, some well respected people like Bob N. and Charlie E. prefer to use
fusible links instead of ANL fuses. Fusible links have advantages: light weight and
no exposed terminals that could sho ...
 
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