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nwparkinson(at)btopenworl
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 Posted: Sun Oct 07, 2018 2:47 pm Post subject: Rear battery earthing structure |
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Hi Everybody.
I’m building an RV8 with a rear battery location.
Can I please have some advice on the earthing structure . Can I just earth the battery to the structure in the rear , then take it the common earth at the panel ? Or is it worth running some asw2 cable to earth the panel , or the engine ??
I will have some rear avionics equipment , should I run the earth from the panel to these ? Or just tap of the structure locally ?
I’m not sure when I start running into earth loop issues ??
Many thanks.
Neil.
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nuckolls.bob(at)aeroelect
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| Posted: Sun Oct 07, 2018 3:23 pm Post subject: Rear battery earthing structure |
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At 05:46 PM 10/7/2018, you wrote:
| Quote: | --> AeroElectric-List message posted by: Neil Parkinson <nwparkinson(at)btopenworld.com>
Hi Everybody.
I’m building an RV8 with a rear battery location.
Can I please have some advice on the earthing structure . Can I just earth the battery to the structure in the rear , then take it the common earth at the panel ? Or is it worth running some asw2 cable to earth the panel , or the engine ?? |
Ground battery locally
http://aeroelectric.com/Pictures/Batteries/Battery_Install_OBrien_3.jpg
http://aeroelectric.com/Pictures/Grounding/Local_Battery_Grounds_1.jpg
Install ground bus on firewall.
http://aeroelectric.com/Pictures/Grounding/Forest_of_Tabs_Ground_Kit.pdf
http://aeroelectric.com/Pictures/Grounding/gnd_bus.jpg
Run braided-flat-wire
from crankcase to firewall ground stud.
http://aeroelectric.com/Pictures/Grounding/Braided%20Copper%20Bond%20Straps.jpg
| Quote: | | I will have some rear avionics equipment , should I run the earth from the panel to these ? Or just tap of the structure locally ? |
What kind of avionics? Anything with audio or digital
signal leads?
Bob . . .
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nwparkinson(at)btopenworl
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| Posted: Sun Oct 07, 2018 11:12 pm Post subject: Rear battery earthing structure |
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Thanks Bob.
Yes in the rear I was planning on installing the remote boxes for the transponder , com , etc.
So yes Audio and digital signals going back and forth ? How that effect the earth situation ?
Neil
On 8 Oct 2018, at 00:22, Robert L. Nuckolls, III <nuckolls.bob(at)aeroelectric.com (nuckolls.bob(at)aeroelectric.com)> wrote:
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nuckolls.bob(at)aeroelect
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| Posted: Mon Oct 08, 2018 8:04 am Post subject: Rear battery earthing structure |
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At 02:09 AM 10/8/2018, you wrote:
| Quote: | Thanks Bob.
Yes in the rear I was planning on installing the remote boxes for the transponder , com , etc.
So yes Audio and digital signals going back and forth ? How that effect the earth situation ?
Neil |
Follow the wiring diagrams in the installation
manuals.
Remotely mounted black-boxes have been
around for a VERY LONG TIME . . . WWII radios
were almost always remotely mounted . . . that
vacuum tube stuff just wouldn't fit into an
already tight cockpit.
Signal and power management for such installations
were well understood and accounted for in the
installation instructions.
Having said that, it is not difficult to design
such systems to be goof-proof . . . difficult
to even deliberately cause a noise issue.
The vast majority of noise problems I've encountered
in light aircraft were in the audio system with
improper management of grounds to microphones and
headset jacks.
Bob . . .
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Mauledriver(at)nc.rr.com
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| Posted: Mon Oct 08, 2018 12:19 pm Post subject: Rear battery earthing structure |
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On 10/7/2018 7:22 PM, Robert L. Nuckolls, III wrote:
To OP: I have an RV10 with a 2 rear batteries, a ground bus on firewall and a braided flat wire from crankcase to firewall ground stud. No problems (7 years flying)
In addition I have a variety of boxes installed in rear including Navworx ADSB, strobe unit, Magnetometers (sic), and ELT. I followed the installation instructions as Bob suggested. No problems.
This email has been checked for viruses by Avast antivirus software.
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ogdenk
Joined: 05 Feb 2007
Posts: 41
Location: Syracuse, NY
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| Posted: Fri Oct 12, 2018 8:26 am Post subject: Rear battery earthing structure |
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Bill,
Can I ask where you got the battery busses from in this picture?
http://aeroelectric.com/Pictures/Batteries/Battery_Install_OBrien_3.jpg
Thanks . . .
Kent
| Quote: | >> Bill Watson <Mauledriver(at)nc.rr.com> 10/8/2018 4:18 PM >>>
On 10/7/2018 7:22 PM, Robert L. Nuckolls, III wrote:
|
To OP: I have an RV10 with a 2 rear batteries, a ground bus on firewall and a braided flat wire from crankcase to firewall ground stud. No problems (7 years flying)
In addition I have a variety of boxes installed in rear including Navworx ADSB, strobe unit, Magnetometers (sic), and ELT. I followed the installation instructions as Bob suggested. No problems.
[img]cid:UAHVWKTWGHPL.avast-mail-stamp.png[/img] This email has been checked for viruses by Avast antivirus software.
www.avast.com
[url=#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2] [/url]
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nuckolls.bob(at)aeroelect
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| Posted: Fri Oct 12, 2018 9:11 am Post subject: Rear battery earthing structure |
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At 10:04 AM 10/12/2018, you wrote:
One source of many
https://tinyurl.com/y9sbdo9t
Bob . . .
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trigo(at)mail.telepac.pt
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| Posted: Fri Oct 12, 2018 9:55 am Post subject: Rear battery earthing structure |
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Kent
I’m not Bill, but I know that SteinAir has these.
Best
Carlos
Enviado do meu iPhone
No dia 12/10/2018, Ã s 16:04, Kent Ogden <ogdenk(at)upstate.edu (ogdenk(at)upstate.edu)> escreveu:
| Quote: | Bill,
Can I ask where you got the battery busses from in this picture?
http://aeroelectric.com/Pictures/Batteries/Battery_Install_OBrien_3.jpg
Thanks . . .
Kent
| Quote: | >> Bill Watson <Mauledriver(at)nc.rr.com (Mauledriver(at)nc.rr.com)> 10/8/2018 4:18 PM >>>
On 10/7/2018 7:22 PM, Robert L. Nuckolls, III wrote:
|
To OP: I have an RV10 with a 2 rear batteries, a ground bus on firewall and a braided flat wire from crankcase to firewall ground stud. No problems (7 years flying)
In addition I have a variety of boxes installed in rear including Navworx ADSB, strobe unit, Magnetometers (sic), and ELT. I followed the installation instructions as Bob suggested. No problems.
<IMAGE.png> This email has been checked for viruses by Avast antivirus software.
www.avast.com
[url=#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2] [/url]
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John M Tipton
Joined: 07 Aug 2018
Posts: 45
Location: Devon - England
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| Posted: Fri Oct 12, 2018 11:32 am Post subject: Rear battery earthing structure |
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http://www.bandc.aero/fuseholder6-slot.aspx
John
Sent from my iPad
----x--O--x----
[quote] On 12 Oct 2018, at 6:52 pm, Carlos Trigo <trigo(at)mail.telepac.pt> wrote:
Kent
I’m not Bill, but I know that SteinAir has these.
Best
Carlos
Enviado do meu iPhone
No dia 12/10/2018, Ã s 16:04, Kent Ogden <ogdenk(at)upstate.edu> escreveu:
> Bill,
>
> Can I ask where you got the battery busses from in this picture?
>
> http://aeroelectric.com/Pictures/Batteries/Battery_Install_OBrien_3.jpg
>
> Thanks . . .
>
> Kent
> >>> Bill Watson <Mauledriver(at)nc.rr.com> 10/8/2018 4:18 PM >>>
> >
>> On 10/7/2018 7:22 PM, Robert L. Nuckolls, III wrote:
>> At 05:46 PM 10/7/2018, you wrote:
>>
>>>
>>>
>>> Hi Everybody.
>>> I’m building an RV8 with a rear battery location
| | - The Matronics AeroElectric-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?AeroElectric-List |
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