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  #1  
Old 06-17-2009, 11:35 PM
ArVeeNiner's Avatar
ArVeeNiner ArVeeNiner is offline
 
Join Date: Jun 2006
Location: San Jose, CA
Posts: 1,125
Default Where do I attach the ground strap on an O-320?

Where on an O-320 engine do I attach the braided ground strap that goes to the firewall?

Thanks
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Kelly Johnson
San Jose, CA
RV-9A

Pink slip issued: 5/7/12

First flight: 5/28/12, Memorial Day.

Phase I Complete: 8/18/12!

2020 donation: complete
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  #2  
Old 06-17-2009, 11:52 PM
gasman gasman is offline
 
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Location: Sonoma County
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Default

Look for a hole right behind the base of the dip stick tube. It will take a nut and bolt. Ground fron there to the firewall at a cross brace. Connect the battery ground to the same brass bolt at the firewall. Have it extend into the cabin through the firewall and use the other side to ground all of the things in the panel. That way you have a direct ground to the battery and to the engine and also a good frame ground all in one spot.
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  #3  
Old 06-18-2009, 12:04 AM
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OneCharlieKilo OneCharlieKilo is offline
 
Join Date: Jul 2006
Location: Poulsbo, WA
Posts: 208
Default sump bolt works too

I used one of the aft sump bolts and it works fine. Had to clean some paint off for good contact. Mine is O-360 but you can do same with O-320.

I don't think I have a good close up picture of the attach point but you can see the ground strap near the alternator cable in the first two photos on page at this link:

http://rv6aproject.ckhand.com/panelA...ctricalPg3.htm

Chris
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RV-6A, N731CK, 300+ hrs
Poulsbo, WA
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  #4  
Old 06-18-2009, 07:50 AM
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N941WR N941WR is offline
 
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Location: SC
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I used one of the upper accessory case bolts and zip tied the strap to my oil pressure line. These pictures should give you an idea of my solution.

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Bill R.
RV-9 (Yes, it's a dragon tail)
O-360 w/ dual P-mags
Build the plane you want, not the plane others want you to build!
SC86 - Easley, SC
www.repucci.com/bill/baf.html
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  #5  
Old 06-18-2009, 08:16 AM
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ArVeeNiner ArVeeNiner is offline
 
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Thanks everybody!
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Kelly Johnson
San Jose, CA
RV-9A

Pink slip issued: 5/7/12

First flight: 5/28/12, Memorial Day.

Phase I Complete: 8/18/12!

2020 donation: complete
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