Today's Message Index:
----------------------
1. 05:35 AM - Cooling fans (Carlos Trigo)
2. 05:54 AM - Re: Cooling fans (Robert Borger)
3. 06:50 AM - Re: Cooling fans (John Tipton)
4. 07:01 AM - Re: Cooling fans (William Hunter)
5. 07:50 AM - Re: Cooling fans (Bill Watson)
6. 08:05 AM - Re: Cooling fans (Carlos Trigo)
7. 08:06 AM - Re: Cooling fans (Carlos Trigo)
8. 08:17 AM - Re: Cooling fans (B Tomm)
9. 08:38 AM - Re: Cooling fans (Stein Bruch)
10. 08:44 AM - Re: Cooling fans (Carlos Trigo)
11. 09:43 AM - Re: Cooling fans (RGent1224@aol.com)
12. 09:46 AM - Re: Cooling fans (RGent1224@aol.com)
13. 10:09 AM - Re: Cooling fans (infow)
14. 11:47 AM - Re: Cooling fans (Charles Kuss)
15. 12:20 PM - Re: Cooling fans (Bill Watson)
16. 01:41 PM - Re: Cooling fans (GTH)
17. 01:44 PM - Matronics Web Server Back Online (Matt Dralle)
18. 01:46 PM - EDN Article on EMC Troubleshooting (Matt Prather)
19. 02:47 PM - Re: Cooling fans (Carlos Trigo)
20. 03:41 PM - Powering the EFIS system (Carlos Trigo)
21. 04:27 PM - Re: RV10-List: Powering the EFIS system (Phillip Perry)
22. 05:55 PM - Re: Matronics Web Server Back Online (donjohnston)
23. 08:14 PM - Re: EDN Article on EMC Troubleshooting (Robert L. Nuckolls, III)
24. 08:16 PM - Re: Re: RV10-List: Powering the EFIS system (Robert L. Nuckolls, III)
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| Subject: | Matronics Web Server Back Online |
Dear Listers,
The Matronics Web server lost a critical system hard drive yesterday 4/18/2016.
I have been working feverishly for the last 24 hours to repair the system and
get the Matronics Forums and other web-based resources back online.
Email services were not impacted in anyway.
I'm happy to report that as of about 1:30 PDT on Tuesday 4/19/2016 the system is
back online and all resources were successfully restored from a backup.
My apologies for the down time.
Matt Dralle
Matronics Email and Forum Admin
Message 18
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| Subject: | EDN Article on EMC Troubleshooting |
This series of articles reminds me of some of Mr. Nuckolls' methods of
debugging aeroelectric problems - like using an AM radio as a "sniffer":
http://www.edn.com/electronics-blogs/the-emc-blog/4378152/An-EMC-Troubleshooting-Kit--Part-1a-Emissions-
Cheers,
Matt-
Message 19
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Stein
I am not finding any computer fans in your website.
Can you please tell where they are in your online store?
Carlos
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Stein
Bruch
Sent: ter=E7a-feira, 19 de Abril de 2016 16:36
Subject: RE: AeroElectric-List: Cooling fans
Most of the computer fans (at least the ones we sell for less than $10) are
simple to wire because they typically have colored wires=85.red is always
power, black is always ground, and the others are various rpm/sense wires
that you don=92t need to use. No need to run them through a thermostat, a
simple switch will suffice. We also stock the little =93grates=94 that go
over
them to direct the air appropriately (living in snow country we learn a
thing or two about defrosting).
Don=92t make it more complicated than it needs to be ' keep it simple.
Cheers,
Stein
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Carlos
Trigo
Sent: Tuesday, April 19, 2016 10:05 AM
Subject: RE: AeroElectric-List: Cooling fans
Hello John
I bought one similar to those, but the problem is that it has a 4-pin
computer connector, and I don=92t know how to wire it.
After some research, I came to the conclusion that one of the wires is to
control the fan, and that control is done through the motherboards of the
computer, which is not the case for us.
That=92s the reason why I am asking for specific fans that other builders h
ave
successfully used, and for how to wire them.
Carlos
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of John
Tipton
Sent: ter=E7a-feira, 19 de Abril de 2016 14:49
Subject: Re: AeroElectric-List: Cooling fans
--> < <mailto:jmtipton@btopenworld.com> jmtipton@btopenworld.com>
Hi Carlos
I've been thinking along similar lines: how about a computer CPU cooling
fans 12v:
<http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2055119.m570.l1313
=2ETR0.
TRC0.H0.Xcpu+cooling+fans+12v.TRS0&_nkw=cpu+cooling+fans+12v&_sacat=0>
http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2055119.m570.l1313.
TR0.T
RC0.H0.Xcpu+cooling+fans+12v.TRS0&_nkw=cpu+cooling+fans+12v&_sacat=0
Regards
John
Sent from my iPad
----x--O--x----
> On 19 Apr 2016, at 01:33 pm, Carlos Trigo < <mailto:trigo@mail.telepac.pt
>
trigo@mail.telepac.pt> wrote:
>
> --> < <mailto:trigo@mail.telepac.pt> trigo@mail.telepac.pt>
>
> Guys
>
> I am looking for cooling fans to install in my aircraft dashboard, to
extract heated air behind the avionics of the instrument panel and help
defrost the windshield.
>
> I would welcome some information about type and brand of fans, source, an
d
wiring information.
>
> Thanks
> Carlos
>
>
>
>
>
<http://www.buildersbooks.com> www.buildersbooks.com
ribution">http://www.matronics.com/contribution
matronics.com/Navigator?AeroElectric-List">http://www.matronics.com/Navigat
o
r?AeroElectric-List
<http://www.matronics.com/Navigator?AeroElectric-List%3c> <=====
===========
ttp://forums.matronics.com">http://forums.matronics.com
http://www.matronics.com/contribution
<https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_c
ampai
gn=sig-email&utm_content=emailclient>
Sem v=EDrus.
<https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_c
ampai
gn=sig-email&utm_content=emailclient> www.avast.com
---
Este e-mail foi verificado em termos de v=EDrus pelo software antiv=EDrus A
vast.
https://www.avast.com/antivirus
Message 20
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| Subject: | Powering the EFIS system |
Group
I am beginning to install the EFIS G3X system from GARMIN in the RV-10, and
I have to put power into (not more not less than) 12 devices (2 Display
units, 2 ADAHRS, 1 engine module, 3 autopilot servos and so on).
In some devices there are 2 independent power inputs.
I am trying to figure out which will be the best architecture for the power
circuits to these 12 devices.
I know that some of you are against the single Avionics switch, and I am
leaning to agree, not including that single point of failure, but how about
the distribution system?
I am not searching for opinions on the breaker or fuses discussion, just to
know what other people did or recommend to do with busses and circuits.
I should add that I have a dual battery /dual alternator energy system.
All good suggestions welcome!
Thanks
Carlos
---
Este e-mail foi verificado em termos de v=C3=ADrus pelo software antiv=C3
=ADrus Avast.
https://www.avast.com/antivirus
Message 21
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| Subject: | Re: RV10-List: Powering the EFIS system |
Carlos,
The lid is off the can of worms. This should be interesting! I've found t
hat coating my wires in chromate primer has benefits too. ;)
All seriousness, though I can see people breaking out the flame throwers alr
eady, what does your main buss look like? Single Alt / Single Battery? Du
al alt (hot/standby) single battery, etc....
Phil
Sent from my iPhone
> On Apr 19, 2016, at 5:36 PM, Carlos Trigo <trigo@mail.telepac.pt> wrote:
>
> Group
>
> I am beginning to install the EFIS G3X system from GARMIN in the RV-10, an
d I have to put power into (not more not less than) 12 devices (2 Display un
its, 2 ADAHRS, 1 engine module, 3 autopilot servos and so on).
> In some devices there are 2 independent power inputs.
>
> I am trying to figure out which will be the best architecture for the powe
r circuits to these 12 devices.
> I know that some of you are against the single Avionics switch, and I am l
eaning to agree, not including that single point of failure, but how about t
he distribution system?
> I am not searching for opinions on the breaker or fuses discussion, just t
o know what other people did or recommend to do with busses and circuits.
>
> I should add that I have a dual battery /dual alternator energy system.
> All good suggestions welcome!
>
> Thanks
> Carlos
>
>
>
>
>
>
>
> Sem v=C3=ADrus. www.avast.com
Message 22
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| Subject: | Re: Matronics Web Server Back Online |
Matt!!!
You're back!
:D
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=455237#455237
Message 23
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| Subject: | Re: EDN Article on EMC Troubleshooting |
At 03:44 PM 4/19/2016, you wrote:
>This series of articles reminds me of some of Mr. Nuckolls' methods
>of debugging aeroelectric problems - like using an AM radio as a "sniffer":
>
><http://www.edn.com/electronics-blogs/the-emc-blog/4378152/An-EMC-Troubleshooting-Kit--Part-1a-Emissions->http://www.edn.com/electronics-blogs/the-emc-blog/4378152/An-EMC-Troubleshooting-Kit--Part-1a-Emissions-
>
>
>Cheers,
>Matt-
Thanks for the heads-up! I've heard of this guy
but the Raytheon-Beech organization liked the Kimmle and
Gherke RF guru twins. Took a two day seminar from
Gherke hisself about 20 years ago. Wyatt seems
like a real hammer-n-tongs sunk-werkser kind of
guy . . . I've gathered up his stuff and added it to my
library.
Bob . . .
Message 24
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| Subject: | Re: RV10-List: Powering the EFIS system |
At 06:26 PM 4/19/2016, you wrote:
>Carlos,
>
>The lid is off the can of worms. This should be interesting! I've
>found that coating my wires in chromate primer has benefits too. ;)
>
>All seriousness, though I can see people breaking out the flame
>throwers already, what does your main buss look like? Single Alt /
>Single Battery? Dual alt (hot/standby) single battery, etc....
>
>Phil
I would start in the same place we do with
any new TC design. Fill out the load analysis
sheets and partition the loads by flight
modes. What are your energy sources and
what size are they?
What is the worst case scenario for
comfortable continuation of flight
in the en-route mode that is most
conservative of energy available?
The task starts with little buckets
of loads and little buckets of energy.
Figure out what goes in each bucket.
The architecture along with your endurance
operations check-list will fall out
of the results of that study.
Bob . . .
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