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Jerry Grimmonpre'
Joined: 09 Jan 2006
Posts: 144
Location: Huntley, Illinois 60142
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 Posted: Tue Apr 25, 2006 10:52 am Post subject: B & C Grounding Kts and Grounding Procedure |
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Listers ...
I'm about to order a grounding kit ... what have most ordered for an IFR
platform with the usual glass panel goodies, engine management system plus
GPS/COM There are several ground systems listed at B & C and I only want to
order once.
This is their list:
24-Tab Ground Block
24/24-Tab Firewall Ground Kit
24/48-Tab Firewall Ground Kit
48-Tab Ground Block
Are there additional ground tabs required to accomodate avionics and inst
panel ground tabs or do the above listed include those?
Should the avionics and panel grounds be collected on local tabs and then
those wired directly to the firewall forest of tabs as well?
Many thanks to the list ...
Jerry Grimmonpre'
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pbraswell(at)alterthought
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| Posted: Tue Apr 25, 2006 11:15 am Post subject: B & C Grounding Kts and Grounding Procedure |
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Jerry,
I can speak to how I addressed this. I'm a few weeks from flying, but I
generally feel good about the wiring/grounding at this point. I've had
absolutely no problems whatsoever.
I used the 24/48 block. 48 are on the cabin side, 24 on the engine side.
My ground cable runs from the - side of the battery to a point on the cage
(I'm in a Glastar), from the cage to the back-side of the ground tab block.
On the engine side of the firewall, I have a ground strap from the 24 tab
side to the engine block.
In terms of all the deivices in the airplane, everything gets its own ground
so every switch, device, etc that needs a ground, gets its own ground on the
ground tab. Same is true on the engine side of the firewall. I figured
that each device getting its own ground would eliminate multiple devices
failing because of a fault ground in the event that grounds were
daisy-chained or ganged together.
I don't know if this is in line with what Bob suggests, but in my mind it
seemed reasonable. 
-peter
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frank.hinde(at)hp.com
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| Posted: Tue Apr 25, 2006 11:43 am Post subject: B & C Grounding Kts and Grounding Procedure |
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I made my own grounding system. If you can find a sheet of brass you can
buy the tabs from Steinair for next to nothing.
I made a 60 tab block for the backside and a 12 (I think) for the front
side.
Yes I have a number of spare tabs but not excessive.
Frank
--
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rv8ch
Joined: 10 Jan 2006
Posts: 250
Location: Switzerland
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| Posted: Tue Apr 25, 2006 11:50 am Post subject: B & C Grounding Kts and Grounding Procedure |
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| Quote: | I'm about to order a grounding kit ... what have most ordered for an IFR
platform with the usual glass panel goodies, engine management system plus
GPS/COM There are several ground systems listed at B & C and I only want to
order once.
|
Hi Jerry,
I made an "avionics ground" using the method described in
this PDF:
http://www.aeroelectric.com/articles/Rev11/18Audio_R11.pdf
I also have a 24 tab ground block in the cabin for pretty
much everything. It's getting full. I've got some pictures
and a drawing here:
http://www.rv8.ch/article.php?story=20060301215616213
My system might be different from yours - I'm using a Subaru
and I have my batteries behind the baggage area.
--
Mickey Coggins
http://www.rv8.ch/
#82007 finishing
do not archive
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_________________
Mickey Coggins
http://www.rv8.ch/ |
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lhelming(at)sigecom.net
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| Posted: Tue Apr 25, 2006 12:46 pm Post subject: B & C Grounding Kts and Grounding Procedure |
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You can't go wrong with the 24/48 firewall kit. I did not need 24 on the
engine side of the firewall but you will need a few and you need lots on the
aft side. I used 48 and then started doubling up a few. No problem doing
that just more work. Larry
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jschroeder(at)perigee.net
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retasker(at)optonline.net
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| Posted: Tue Apr 25, 2006 1:56 pm Post subject: B & C Grounding Kts and Grounding Procedure |
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This is exactly what I did also. I got the brass from McMter Carr
(www.mcmaster.com). Hobby shops also probably also carry it, but be
sure to get a heavy gauge thickness - not thin shim stock.
Dick Tasker
Hinde, Frank George (Corvallis) wrote:
[quote]
I made my own grounding system. If you can find a sheet of brass you can
buy the tabs from Steinair for next to nothing.
I made a 60 tab block for the backside and a 12 (I think) for the front
side.
Yes I have a number of spare tabs but not excessive.
Frank
--
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