Today's Message Index:
----------------------
0. 02:02 PM - Auction For P113 eMag To Support Matronics List Fund Raiser (Matt Dralle)
1. 06:21 AM - Re: Low Voltage Annunciator (N38CW)
2. 06:49 AM - Oscilloscope for Android Phone (Sam Marlow)
3. 07:22 AM - Re: Oscilloscope for Android Phone (Robert Borger)
4. 07:23 AM - Re: Low Voltage Annunciator (Eric M. Jones)
5. 07:38 AM - Re: Oscilloscope for Android Phone (Ron Springer)
6. 07:44 AM - Re: Re: Low Voltage Annunciator (Robert L. Nuckolls, III)
7. 08:39 AM - Re: Diagnosing Electrical Problem (Eric M. Jones)
8. 01:01 PM - Re: Re: Diagnosing Electrical Problem (David Lloyd)
9. 01:39 PM - EMag P113 Electronic Ignition for sale (Robert L. Nuckolls, III)
10. 01:50 PM - Re: Oscilloscope for Android Phone (rampil)
11. 03:39 PM - Re: Diagnosing Electrical Problem (user9253)
12. 04:20 PM - Re: Re: Low Voltage Annunciator (John Tipton)
13. 07:39 PM - 2015 List of Contributors (Matt Dralle)
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Subject: | Auction For P113 eMag To Support Matronics List Fund |
Raiser
Dear Listers,
Bob Nuckolls of the AeroElectric fame has generously put a new eMag P113 electronic
4-cylinder mag up for sale on EBay. Bob has pledged to donate all of the
proceeds from this auction in support of this year's Matronics Fund Raiser.
If you are in the market for one of these great electronic ignitions (I have two
eMags on my RV-8 and love them), please bid on this one!
http://www.ebay.com/itm/151920582478
Thank you in advance!
Matt Dralle
Matronics Email List Administrator
Message 1
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Subject: | Re: Low Voltage Annunciator |
... If you would like to be the beta-test aircraft for
this product, I'll offer you one free of charge
in exchange for your user-evaluation of the installation
instructions and product performance in the selected
application.
Bob . . .[/quote]
Hi Bob.
I appreciate the offer and I would be happy to do if for you but I am not close
to flying yet. I'm still looking a couple more years. I also am not using
an aux battery so I am probably not your best option anyway. I went ahead and
ordered one from Eric Jones yesterday afternoon.
Thanks for all you do for us here and I hope you have a Merry Christmas!
Regards,
Bill Settle
--------
Bill Settle
RV-8 Fuselage
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=451054#451054
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Subject: | Oscilloscope for Android Phone |
Has anyone heard of or have any experience with one? I have noise in my
system somewhere, that is throwing off my EFIS and A/P systems.
Message 3
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Subject: | Re: Oscilloscope for Android Phone |
Sam,
Im not exactly sure what your question is.
Do you believe your phone is causing the offending noise?
If so, do you have a plug-in USB charger for your phone installed in your aircraft?
Blue skies & tailwinds,
Bob Borger
Europa XS Tri, Rotax 914, Airmaster C/S Prop (75 hrs).
Little Toot Sport Biplane, Lycoming Thunderbolt AEIO-320 EXP
3705 Lynchburg Dr.
Corinth, TX 76208-5331
Cel: 817-992-1117
rlborger@mac.com
On Dec 19, 2015, at 8:35 AM, Sam Marlow <sam.marlow@roadrunner.com> wrote:
Has anyone heard of or have any experience with one? I have noise in my system
somewhere, that is throwing off my EFIS and A/P systems.
Message 4
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Subject: | Re: Low Voltage Annunciator |
For a simple indication of Low Voltage (
--------
Eric M. Jones
www.PerihelionDesign.com
113 Brentwood Drive
Southbridge, MA 01550
(508) 764-2072
emjones(at)charter.net
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=451056#451056
Message 5
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Subject: | Re: Oscilloscope for Android Phone |
He is talking about an app to turn a phone into an oscilloscope. I believe
that requires voltage probe to look at electrical signals.
Ron
On Dec 19, 2015 10:28 AM, "Robert Borger" <rlborger@mac.com> wrote:
>
> Sam,
>
> I=99m not exactly sure what your question is.
>
> Do you believe your phone is causing the offending noise?
>
> If so, do you have a plug-in USB charger for your phone installed in your
> aircraft?
>
> Blue skies & tailwinds,
> Bob Borger
> Europa XS Tri, Rotax 914, Airmaster C/S Prop (75 hrs).
> Little Toot Sport Biplane, Lycoming Thunderbolt AEIO-320 EXP
> 3705 Lynchburg Dr.
> Corinth, TX 76208-5331
> Cel: 817-992-1117
> rlborger@mac.com
>
> On Dec 19, 2015, at 8:35 AM, Sam Marlow <sam.marlow@roadrunner.com> wrote
:
>
> sam.marlow@roadrunner.com>
>
> Has anyone heard of or have any experience with one? I have noise in my
> system somewhere, that is throwing off my EFIS and A/P systems.
>
>
===========
===========
===========
===========
===========
>
>
Message 6
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Subject: | Re: Low Voltage Annunciator |
At 08:09 AM 12/19/2015, you wrote:
>
>... If you would like to be the beta-test aircraft for
> this product, I'll offer you one free of charge
> in exchange for your user-evaluation of the installation
> instructions and product performance in the selected
> application.
>
>
> Bob . . .[/quote]
>
>Hi Bob.
>
>I appreciate the offer and I would be happy to do if for you but I
>am not close to flying yet. I'm still looking a couple more
>years. I also am not using an aux battery so I am probably not
>your best option anyway. I went ahead and ordered one from Eric
>Jones yesterday afternoon.
>
>Thanks for all you do for us here and I hope you have a Merry Christmas!
Understand. Actually, the proposed AEC9024 is
FOUR products in one box. During installation,
the builder sets functionality by adding jumpers
between the programming pins.
This design philosophy allows us to produce four
products on one assembly line and inventory only
one device the four offerings and even lets
a builder inventory one spare part for any of the
four functions.
Builders may choose to use the device in any one
of the four tasks. Architecture figure Z9 illustrates
use of the 9024 in three of the four functions.
http://tinyurl.com/5wxzn7
It will be the first AEC product loaded on the B&C
product line early next year. There's about a half
dozen more that will follow on the heals of the 9024.
Bob . . .
Message 7
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Subject: | Re: Diagnosing Electrical Problem |
EDN of 23NOV1995 had an article entitled: "Assume nothing. Test everything." which
was a small guide to troubleshooting philosophy (although aimed more at computers
and high falutin designs but applicable to life in general).
He (Jack Ganssle) taught some critical elements of troubleshooting that have helped
me over the years. Allow me to share some of them them with you:
1) EVERYTHING YOU KNOW IS WRONG. I.e. Assume nothing. Is it really connected like
you think? Are your measuring instrument working? Etc. To facilitate this process-->
2) Keep a notebook of what you are doing, what you suspect, random suspicions,
sketches, details, notes for later improvements, hard-to-read numbers, EVERYTHING.
When you review your notebook the next day, important clues will often jump
out.
3) Start with an organized workbench with all tools at the ready. What are you
going to need to test assumptions?
4) Ask for help. Don't be shy! Anybody can help by listening to your explanation...where
the obvious might jump out.... Asking experts is how you'll learn, even
if they don't have the answer.
5) Use the Internet. Hardly a day goes by without someone asking me a question
and I reply (or would like to reply) "Let me Google that for you".
Google has developed the ability to understand plain language questions. The value
of searching the 'net cannot be overstated. And it will only get better.
6) Remember, most problems have simple answers. Think "Connectors" not Integrated
Circuits. Think "Horses" not Zebras.
We can all add tips to this list.
--------
Eric M. Jones
www.PerihelionDesign.com
113 Brentwood Drive
Southbridge, MA 01550
(508) 764-2072
emjones(at)charter.net
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=451063#451063
Message 8
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Subject: | Re: Diagnosing Electrical Problem |
Charlie,
Good points, . . .and, my "tool" kit had those items. Except they were left
out of the plane during the annual and I had forgotten to strap the tool kit
back in place. I used to carry a mag and mag parts too. Never used them,
but, did help out a friend in an isolated strip. Don't carry those either.
. . ;>)
----- Original Message -----
From: "Charlie England" <ceengland7@gmail.com>
Sent: Friday, December 18, 2015 12:37 PM
Subject: Re: AeroElectric-List: Re: Diagnosing Electrical Problem
> <ceengland7@gmail.com>
>
> I know it's 'after the fact', but the auto parts store probably would have
> had a 12V test light & some hookup wire for cheap, or at least the wire &
> a 12 V bulb. Would have made the chore of finding the problem a bit
> quicker. (You'd have seen the 14V on the source side of the alt breaker, &
> known that the alt was working.)
>
> Charlie
> (shade tree troubleshooting & repair for over 50 years....)
>
> On 12/18/2015 12:08 PM, David Lloyd wrote:
>> <skywagon@charter.net>
>>
>> Joe,
>> Glad you opened up this "thread".
>> Odd mysteries of electrical problems come in all sizes and will never
>> end. Fast little electrons running thru all sorts of mazes are bound to
>> find a black hole or change at the oddest times. . .
>> One of my experiences that turned out to be dead simple kept me grounded
>> for 2 days in a remote airport.
>>
>> I landed my Cessna 185 in a farmers strip to visit one of my sons and
>> family that was only 5 min's away. The flight in was normal and this
>> airplanes electrical system was stable. Two days later, when I fired up
>> to leave, I had no alternator output. . or, so I thought. I was there
>> with only simple hand tools and no instruments to diagnose the problem.
>> I could not find any wiring breaks, i.e. the field wire breaking from
>> vibration, etc. So, with my pitiful few tools, I took the alternator and
>> regulator off, called my son and he drove me to finally find an auto shop
>> to test same. Both units tested fine. I reinstalled them and made sure
>> the belt was not slipping and then, counted all the skin that I had left
>> doing this in and out thing.
>> I had some spare wire, so I began to do some connection jumping and found
>> the problem.
>> This Cessna had its original main 60 amp circuit breaker. These are the
>> non-pullable style, but, they do pop out when triggered. The breaker
>> outwardly appeared fine. But, when I shorted across it, the electrical
>> system came alive showing charging current. How odd that the CB opened up
>> but, did not trigger the pop-out indicator. Later, it was determined that
>> the CB had not opened due to excessive current, but, failed anyway.
>> Reason unknown. . .
>> In this case, I had no options for replacing it until back at my home
>> airport and I did not want to install the shorting wire. So, I removed
>> the battery stayed an extra night with my son while topping off the
>> battery's charge. Reinstalled the next day and flew the 3 hours home
>> with the panel turned off. Only turned things back on for radio
>> announcements for landing and taxi.
>> If I carried my normal "kit", VOM and tools, this would have gone a lot
>> quicker to diagnose. . . .
>>
>> ----- Original Message ----- From: "user9253" <fransew@gmail.com>
>> To: <aeroelectric-list@matronics.com>
>> Sent: Friday, December 18, 2015 7:08 AM
>> Subject: AeroElectric-List: Re: Diagnosing Electrical Problem
>>
>>
>>>
>>>
>>>> Yeah, so?
>>>
>>> Well, it has been kind dead on this website for awhile. Thought I would
>>> start a new dialog. Many electrical troubleshooters have been stumped
>>> and frustrated by a problem that turned out to be something very simple.
>>> Maybe some forum members would like to share their experience.
>>>
>>> --------
>>> Joe Gores
>>>
>>>
>>>
>>>
>>> Read this topic online here:
>>>
>>> http://forums.matronics.com/viewtopic.php?p=451015#451015
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>
>
>
---
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Message 9
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Subject: | EMag P113 Electronic Ignition for sale |
I have a brand new P113 EMag and matching harness
listed on eBay at:
http://tinyurl.com/neesboj
All proceeds of this sale will be added to the Matronics
operations 'kitty'.
Bob . . .
Message 10
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Subject: | Re: Oscilloscope for Android Phone |
Look at something like this:
http://www.amazon.com/gp/product/B004KKTUV6/ref=pd_lpo_sbs_dp_ss_2?pf_rd_p=1944687542&pf_rd_s=lpo-top-stripe-1&pf_rd_t 1&pf_rd_i=B00BY8LVCS&pf_rd_m=ATVPDKIKX0DER&pf_rd_r=0XBWZ07S1VW2QD6H2E6M
a purpose built o-scope is much more likely to solve you problem than
an outrigger box for a phone
--------
Ira N224XS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=451089#451089
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Subject: | Re: Diagnosing Electrical Problem |
> 2) Keep a notebook of what you are doing, what you suspect, random suspicions,
sketches, details, notes for later improvements, hard-to-read numbers, EVERYTHING.
When you review your notebook the next day, important clues will often
jump out.
I should have followed that advice while doing industrial electrical troubleshooting
(before retiring). I would take measurements without writing anything down,
thinking that I would remember. But then later I could not remember what
the conditions were while testing. Was that switch or that indicator light or
that relay turned on or off? Then I would have to repeat the measurements.
But if it was an intermittent problem, no measurements could be taken while the
equipment was working properly. More time was wasted repeating tests then
if I had taken the time to write notes.
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=451169#451169
Message 12
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Subject: | Re: Low Voltage Annunciator |
For a simple indication of Low Voltage:
http://www.sparkbright.co.uk/sparkright-eclipse-battery-voltage-monitor.php
John
Sent from my iPad
----x--O--x----
> On 19 Dec 2015, at 03:19 pm, "Eric M. Jones" <emjones@charter.net> wrote:
>
>
> For a simple indication of Low Voltage (
>
> --------
> Eric M. Jones
> www.PerihelionDesign.com
> 113 Brentwood Drive
> Southbridge, MA 01550
> (508) 764-2072
> emjones(at)charter.net
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=451056#451056
>
>
>
>
>
>
>
>
>
>
Message 13
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Subject: | 2015 List of Contributors |
Dear Listers,
The 2015 Matronics Email List and Forum Fund Raiser officially ended a couple of
weeks ago and it's time that I published this year's List of Contributors.
It is the people on this list that directly make these Email Lists and Forums
possible! Their generous Contributions keep the servers and Internet connection
up and running!
You can still show your support this year and pick up a great gift at the same
time. The Contribution Web Site is fast, easy, and secure:
http://www.matronics.com/contribution
Or, by dropping a personal check in the mail to:
Matt Dralle / Matronics
581 Jeannie Way
Livermore CA 94550
I also want to thank Andy, Bob, and George for their generous support through the
supply of many great gifts this year!! These guys have some excellent products
and I encourage you to visit their respective web sites:
Andy Gold - The Builder's Bookstore - http://www.buildersbooks.com
Bob Nucklolls - AeroElectric - http://www.aeroelectric.com
George Race - Race Consulting - http://www.mrrace.com
And finally, I'm proud to present The 2015 Fund Raiser List of Contributors:
http://www.matronics.com/loc/2015.html
Thanks again to everyone that made a Contribution this year!!
Matt Dralle
Matronics Email List & Forum Administrator
Other Matronics Email List Services
These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.
-- Please support this service by making your Contribution today! --
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