Today's Message Index:
----------------------
1. 06:18 AM - The hardware side (checkn6)
2. 06:30 AM - VDO temp resistive gauge problem (peterthomson)
3. 06:41 AM - OT but electron related, I hate it when that happens! LOL (checkn6)
4. 07:18 AM - Re: The hardware side (Christopher Cee Stone)
5. 07:24 AM - Re: The hardware side (Christopher Cee Stone)
6. 07:27 AM - Re: The hardware side (Vern Little)
7. 09:28 AM - Re: The hardware side (racerjerry)
8. 08:57 PM - Re: OT but electron related, I hate it when that happens! LOL (Robert L. Nuckolls, III)
9. 10:54 PM - Thermocouple CHT rings (AirEupora)
Message 1
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| Subject: | The hardware side |
Over the years I have learned a lot about herding electrons but now I would like
to know if there is a recommended book/video/source on the physical side of
aircraft wiring. Is there a legacy standard for how wiring is bundled, routed,
secured and just generally mounted etc.?
Looking for chapters on things like firewall penetration, battery mounting etc.,
you know the hardware side of electron herding. I think I did a pretty good
job on my last project but I always wondered hmmm . . . should this bundle be
handled this way or that?
Thanks to Bob and all the others that I have learned from but just want to firm
up my full understanding.
Thanks,
Chris
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| Subject: | VDO temp resistive gauge problem |
hi List
have a VDO gauge and sender 10-180 Ohms for oil temp.
It has gone to full scale reading, and will not respond to either earthing or higher
ohms at the input. The sender is working OK.
I'm assuming the gauge has gone u/s ?
Peter
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| Subject: | OT but electron related, I hate it when that happens! |
LOL
I have been searching the archives for days and just short of reading every post
I cant seem to find what I was looking for, drats! Some time ago I recall a
post from someone that Bob had answered with a link to a product that he found
on Ebay, now that I really need it, can I find that link? Grrrrrr. LOL
Someone had drawn a simple and rudimentary schematic and it goes something like
this, 110 AC from a house circuit then to a control box (having a senior moment
and cant for the life of me think of what this box is called) that routes a
charging/maintaining current to a battery(s) and also provided 12V DC to an external
device, then if the AC was removed the box would automatically provide
power from the battery to the 12V circuit. I remember that it was a hardwired
device and not just a simple plug this into that type of set up.
OK, this is one of those moments where you try and try to think of some ones name
that you know well but just cant get it out. As soon as Bob chimes in a says
oh yeah, it was a X control box and here is the link it will all come rushing
back and I will be embarrassed once again because it is so simple. I hate embarrassing
myself but oh well. LOL
Thanks for putting up with me wasting your time this morning.
Chris
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| Subject: | Re: The hardware side |
Straight from the gray matter of Bob himself...
*The Aeroelectric Connection*
*
*
*
*
Chris Stone
On Thu, Nov 15, 2012 at 6:17 AM, checkn6 <checkn6@yahoo.com> wrote:
>
> Over the years I have learned a lot about herding electrons but now I
> would like to know if there is a recommended book/video/source on the
> physical side of aircraft wiring. Is there a legacy standard for how
> wiring is bundled, routed, secured and just generally mounted etc.?
>
> Looking for chapters on things like firewall penetration, battery mountin
g
> etc., you know the hardware side of electron herding. I think I did a
> pretty good job on my last project but I always wondered =9Chmmm .
. . should
> this bundle be handled this way or that?=9D
>
> Thanks to Bob and all the others that I have learned from but just want t
o
> firm up my full understanding.
>
> Thanks,
> Chris
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=387954#387954
>
>
===========
===========
===========
===========
>
>
Message 5
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| Subject: | Re: The hardware side |
Chris...
National Aeronautics and
Space Administration
CRIMPING,
INTERCONNECTING CABLES,
HARNESSES, AND WIRING
NASA-STD-8739.4 with Change 3
February 1998
A google search... Or provide an email and I will send you the .PDF
chris
>
> Over the years I have learned a lot about herding electrons but now I
> would like to know if there is a recommended book/video/source on the
> physical side of aircraft wiring. Is there a legacy standard for how
> wiring is bundled, routed, secured and just generally mounted etc.?
>
> Looking for chapters on things like firewall penetration, battery mountin
g
> etc., you know the hardware side of electron herding. I think I did a
> pretty good job on my last project but I always wondered =9Chmmm .
. . should
> this bundle be handled this way or that?=9D
>
> Thanks to Bob and all the others that I have learned from but just want t
o
> firm up my full understanding.
>
> Thanks,
> Chris
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=387954#387954
>
>
===========
===========
===========
===========
>
>
Message 6
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| Subject: | Re: The hardware side |
Here's one of the best sources:
www.casa.gov.au/rules/1998casr/021/021c99.pdf
Thx, Vern
-----Original Message-----
From: checkn6
Sent: Thursday, November 15, 2012 6:17 AM
Subject: AeroElectric-List: The hardware side
Over the years I have learned a lot about herding electrons but now I would
like to know if there is a recommended book/video/source on the physical
side of aircraft wiring. Is there a legacy standard for how wiring is
bundled, routed, secured and just generally mounted etc.?
Looking for chapters on things like firewall penetration, battery mounting
etc., you know the hardware side of electron herding. I think I did a pretty
good job on my last project but I always wondered hmmm . . . should this
bundle be handled this way or that?
Thanks to Bob and all the others that I have learned from but just want to
firm up my full understanding.
Thanks,
Chris
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=387954#387954
-----
No virus found in this message.
Checked by AVG - www.avg.com
Message 7
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| Subject: | Re: The hardware side |
Then there is always Chapter 11 of AC 43.13-1B that is available free here:
http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgAdvisoryCircular.nsf/list/AC%2043.13-1B/$FILE/Chapter%2011.pdf
--------
Jerry King
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Message 8
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| Subject: | Re: OT but electron related, I hate it when that |
happens! LOL
>110 AC from a house circuit then to a control
>box (having a senior moment and cant for the
>life of me think of what this box is called)
>that routes a charging/maintaining current to a
>battery(s) and also provided 12V DC to an
>external device, then if the AC was removed the
>box would automatically provide power from the
>battery to the 12V circuit. I remember that it
>was a hardwired device and not just a simple
>plug this into that type of set up.
>Thanks for putting up with me wasting your time this morning.
No problem Chris . . . sorry that you felt
a duty to be so diligent in the self directed
search. One of the major assets embodied in the
List is a broad spectrum of random access to
data.
I don't recall the exchanges you're citing
but it sounds like you've got a 12v device
that needs un-interruptible power? How much
power does the device need, how long do you
need to support the device in case of power
failure? How big is your battery?
There are a number of power supplies that
could be combined with a relay or perhaps
a diode to effect the changeover. If we
had more details on your mission, perhaps
an elegant solution is readily at hand.
Bob . . .
Message 9
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| Subject: | Thermocouple CHT rings |
I'm having trouble getting reliable reading on my MGL EFIS system. I through the
engine was overheating, but have learned that the EFIS/EMS is showing the readings
at 36 C hotter than the K type probe I used to check the cylinder head
temps vis the EFIS readings. It takes a few minutes to remove the cowling then
the plenum chambers. The temps drop to about 110-130 C according to the K
type probe, but the EFIS shows then to be hotter.
I have checked the K type in ice and boiling water and it is right on. The CHT
probes show normal temps, but as soon as heat is applied they start drifting
towards the hot side.
I'm not sure what to do. The CHT probe are K type probe with a solid wire extension
to the EMS unit. The EMS unit is grounded to the engine block.
Any ideals would be a big help.
Rick Stockton
Europa XS
Jabiru 3300L
N120EJ
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