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  Topic: Incandescent to led conversion for B&C alternator contro
Eric M. Jones

Replies: 1
Views: 2412

PostForum: AeroElectric-List   Posted: Fri Apr 10, 2020 6:23 am   Subject: Re: Incandescent to led conversion for B&C alternato
...cough...cough...snort...gasp...

Not me but everywhere else. There are zombies staggering up the street. So I might pay more attention to what is going on here.

I have this schematic of changi ...
  Topic: FYI: Touch Screens...Navy thinks they are terrible.
Eric M. Jones

Replies: 5
Views: 4138

PostForum: AeroElectric-List   Posted: Tue Aug 13, 2019 5:47 am   Subject: FYI: Touch Screens...Navy thinks they are terrible.
Worth reviewing and thinking about...
https://tinyurl.com/Navy-touch-screens

Basically, real buttons, knobs, handles and toggle switches are preferable.

Don't let "modern" be the enem ...
  Topic: Email and Telephone Security
Eric M. Jones

Replies: 8
Views: 5352

PostForum: AeroElectric-List   Posted: Mon Aug 05, 2019 6:28 am   Subject: Email and Telephone Security
Bob has expressed his frustration regarding phone security, especially landlines.

By this time I would have surrendered mine to the spammers and phishers except for purchasing a "CPR Callbloc ...
  Topic: AT-6C ballast resistor?
Eric M. Jones

Replies: 6
Views: 4211

PostForum: AeroElectric-List   Posted: Sat Jul 27, 2019 6:49 am   Subject: Re: AT-6C ballast resistor?
I want to add to what Bob N. said. The proper title is "carbon pile regulator." These use a variable resistance load composed of a pile of carbon disks (usually with an alignment hole in the ...
  Topic: Ray Allen trim servo/control: actual wiring schematic neede
Eric M. Jones

Replies: 6
Views: 4388

PostForum: AeroElectric-List   Posted: Sun Jul 21, 2019 10:28 am   Subject: Re: Ray Allen trim servo/control: actual wiring schematic n
Sorry Charlie...the Trim box is on the last page. I couldn't find my file of the trim box alone.

Attached is my file of the trim box and the bar graph. I have some others if I can find them...I had ...
  Topic: Ray Allen trim servo/control: actual wiring schematic neede
Eric M. Jones

Replies: 6
Views: 4388

PostForum: AeroElectric-List   Posted: Wed Jul 17, 2019 8:16 am   Subject: Re: Ray Allen trim servo/control: actual wiring schematic n
Hi Charlie,

I have a bunch and have posted some over the years. Here is the Trim box.

Eric
  Topic: Melted battery terminal
Eric M. Jones

Replies: 27
Views: 17092

PostForum: AeroElectric-List   Posted: Tue Jul 31, 2018 4:22 pm   Subject: Re: Melted battery terminal
Tight connection are good to a point. After that, they can induce stress in the terminal...which was probably made of recycled crap anyway.

Stress cracking, leading to failure. Only my guess.
  Topic: Grounding architecture
Eric M. Jones

Replies: 23
Views: 15483

PostForum: AeroElectric-List   Posted: Mon Jul 30, 2018 4:50 am   Subject: Re: Grounding architecture
Barry,

You obviously took the opportunity to attack me and the idea instead of reading the literature.

CCA is not "Plated". It is 10% copper in cross-section. Copper is not the " ...
  Topic: Grounding architecture
Eric M. Jones

Replies: 23
Views: 15483

PostForum: AeroElectric-List   Posted: Sun Jul 29, 2018 7:33 am   Subject: Re: Grounding architecture
Eric, is the copper clad aluminum cable as stiff as copper of the same gauge?

Well, it's complicated. I don't sell this as replacement for Mogami microphone cable. Big cable is stiff cable UNLESS ...
  Topic: Grounding architecture
Eric M. Jones

Replies: 23
Views: 15483

PostForum: AeroElectric-List   Posted: Sat Jul 28, 2018 6:50 am   Subject: Re: Grounding architecture
Years ago Bob N. put togther a little collection called the "Economics of Weight Reduction", in which he had a piece I had written. It is still on the Aeroelectric Connection, but I attach i ...
  Topic: Battery cables
Eric M. Jones

Replies: 10
Views: 7817

PostForum: AeroElectric-List   Posted: Fri Jul 06, 2018 9:44 am   Subject: Re: Battery cables
Don't forget the Perihelion Design Copper-Clad Aluminum cables. They save 1/2 the weight of a copper cable.
  Topic: Can a low voltage situation cause a fuse to blow?
Eric M. Jones

Replies: 3
Views: 3593

PostForum: AeroElectric-List   Posted: Tue Jun 26, 2018 5:02 am   Subject: Re: Can a low voltage situation cause a fuse to blow?
First of all, low voltage IN GENERAL does not cause a fuse to blow. Look at all the cars with dead batteries for an example. Fuses are never even investigated.

Two phenomena contribute to the notio ...
  Topic: Alternator Noise When Touching Metal Airframe Grounds
Eric M. Jones

Replies: 10
Views: 5876

PostForum: AeroElectric-List   Posted: Tue Jun 12, 2018 8:27 am   Subject: Re: Alternator Noise When Touching Metal Airframe Grounds
Reposted from a few years ago, but this might help.

EDN of 23NOV1995 had an article entitled: "Assume nothing. Test everything." which was a small guide to troubleshooting philosophy (alt ...
  Topic: Starting the Engine Reboots the EFIS
Eric M. Jones

Replies: 41
Views: 26800

PostForum: AeroElectric-List   Posted: Fri May 18, 2018 5:01 am   Subject: Re: Starting the Engine Reboots the EFIS
I am glad to see that there is great interest in the deslumpifier, and that Eric Page has made these available.

I don't intent to sell these. Too many other things to do. BTW: There are BIG Superc ...
  Topic: diode on starter contactor
Eric M. Jones

Replies: 39
Views: 24037

PostForum: AeroElectric-List   Posted: Fri Jan 19, 2018 9:42 am   Subject: diode on starter contactor
I am reluctant to get into another long discussion on the subject of
coil suppression but I encourage Googling the various extensive
resources on this subject.

Note that there are many techniqu ...
  Topic: diode on starter contactor
Eric M. Jones

Replies: 39
Views: 24037

PostForum: AeroElectric-List   Posted: Thu Jan 18, 2018 1:40 pm   Subject: diode on starter contactor
This subject has been discussed here for years.

My opinion and what I have suggested for years is that the current best
practice is to use bidirectional zener diodes. Regular diodes are
problem ...
  Topic: Why is this diode there ?
Eric M. Jones

Replies: 7
Views: 7608

PostForum: AeroElectric-List   Posted: Sat Feb 04, 2017 11:37 am   Subject: Re: Why is this diode there ?
Yes, it looks strange. It probably prevents the ammeter from slamming backwards when the external ground power is applied?
  Topic: Stall - Stall
Eric M. Jones

Replies: 15
Views: 11216

PostForum: AeroElectric-List   Posted: Sat Feb 04, 2017 7:31 am   Subject: Re: Stall - Stall
Great subject. DX.com has several of these for a few bucks. They have reasonably fast shipping.

Two thoughts: This is a perfect place to put a perfect female voice from a coworker, sister, friend, ...
  Topic: Red LED Beacon
Eric M. Jones

Replies: 6
Views: 5648

PostForum: AeroElectric-List   Posted: Wed Jan 18, 2017 11:57 am   Subject: Re: Red LED Beacon
I posted an article some years ago on LED beacons. (attached) At the time they LEDs were marginal but now are easy. (Whelen's engineers probably used this information in their beehive beacon...or if t ...
  Topic: Trim position indicator
Eric M. Jones

Replies: 21
Views: 16246

PostForum: AeroElectric-List   Posted: Wed Dec 14, 2016 11:17 am   Subject: Re: Trim position indicator
Bob is right. The ten LED trim position indicator detects the reference 1.2V FULL SCALE. At the LSB it can only read 0.12 V which is below the noise level in the environment. This is not hard to fix. ...
 
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