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  #1  
Old 01-01-2019, 12:50 PM
Doug Rohrer Doug Rohrer is offline
 
Join Date: May 2009
Location: Bowling Green, KY
Posts: 213
Default RV-9A Battery Location

I am near the point of drilling and bolting stuff to the firewall on my RV-9A with O-320 power. Van's drawing 31 shows the PC680 battery location on the left (pilot side) of the firewall. However, I see lots of Google pics of -9A firewall with the battery mounted on the right side of center close to the firewall recess above the gascolator. Same with -7A models. Can someone tell me what is wrong with the stock Van's location or what is the advantage of moving to the right side? Is there some kind of "gothcha" involved here?
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Bowling Green, KY
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  #2  
Old 01-01-2019, 01:24 PM
terrye terrye is offline
 
Join Date: Feb 2010
Location: Vancouver, BC, Canada
Posts: 723
Default RV-9A Battery Location

Dwg 31 shows a "standard" battery mounted on the pilot's side for a 7A/9A. Dwg 31A shows a PC680 mounted on the co-pilot side for a 7/9. I think the difference in the main landing gear sockets in the motor mounts between the 7A/9A and the 7/9 account for the difference in the battery boxes and battery sizes. The PC 680 is lighter. I'm using Dwg 31A on my 9A.
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RV-9A (Fuselage)
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  #3  
Old 01-01-2019, 01:33 PM
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rjcthree rjcthree is offline
 
Join Date: Jan 2007
Location: Bay Village, OH
Posts: 746
Default Oil cooler or oil

Iím on the right side with a pc680 as I have the oil cooler mounted on the left side of the firewall. Itís relatively easy to R&R a pc680 from that position with the brake reservoir in the stock position.
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Rick 90432
RV-9A tip-up, O320H2, Ellison, Dynon D180
RV-8 tail kit in work with a 5 year plan - if you have a QB set of wings, lets talk!
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Dog is my copilot, rest in peace 2015APR28. I miss that dog.
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  #4  
Old 01-01-2019, 01:34 PM
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rjcthree rjcthree is offline
 
Join Date: Jan 2007
Location: Bay Village, OH
Posts: 746
Default Oil cooler location?

Iím on the right side with a pc680 as I have the oil cooler mounted on the left side of the firewall. Itís relatively easy to R&R a pc680 from the left side position with the brake reservoir in the stock position.
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Rick 90432
RV-9A tip-up, O320H2, Ellison, Dynon D180
RV-8 tail kit in work with a 5 year plan - if you have a QB set of wings, lets talk!
2011-2019 VAF contributor
Dog is my copilot, rest in peace 2015APR28. I miss that dog.
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  #5  
Old 01-01-2019, 02:07 PM
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JohnInReno JohnInReno is offline
 
Join Date: Jun 2005
Location: Prescott Valley/Chandler AZ
Posts: 310
Default Right side

RV9A with battery on the right side(co-pilot). Drawing 31A for the PC680. The only deviation from the plans was to mount the plate nuts on the cockpit side of the firewall instead of on the box.
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John Morgensen
RV-9A N946PM 600+ hours since 2013
Nevada/Arizona

Last edited by JohnInReno : 01-01-2019 at 02:10 PM.
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  #6  
Old 01-01-2019, 02:26 PM
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JohnInReno JohnInReno is offline
 
Join Date: Jun 2005
Location: Prescott Valley/Chandler AZ
Posts: 310
Default PC680

Quote:
Originally Posted by Doug Rohrer View Post
I am near the point of drilling and bolting stuff to the firewall on my RV-9A with O-320 power. Van's drawing 31 shows the PC680 battery location on the left (pilot side) of the firewall...
Drawing 31 shows a larger battery mounted on the left side. Drawing 31A shows the PC680 mounted on the right side.
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John Morgensen
RV-9A N946PM 600+ hours since 2013
Nevada/Arizona
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  #7  
Old 01-01-2019, 05:41 PM
Doug Rohrer Doug Rohrer is offline
 
Join Date: May 2009
Location: Bowling Green, KY
Posts: 213
Default Battery Location

Got it. I just needed to look for the next drawing in the stack. I have the PC680 battery kit from Van's and I plan to put the oil cooler on the back of the baffle on the left side. Thanks for the clarification.
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Bowling Green, KY
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  #8  
Old 01-01-2019, 07:29 PM
GWZ GWZ is offline
 
Join Date: May 2009
Location: Greenfield, IN
Posts: 75
Default

PC 625 on pilot side. No interference with oil cooler on baffle. The 625 is 2.2 lbs lighter and has slightly higher capacities than the 680 (CCA 220 vs 170). Not sure why itís not more popular.
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2002 RV-9A 150hp
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  #9  
Old 01-01-2019, 08:00 PM
Mark33 Mark33 is offline
 
Join Date: May 2010
Location: Baton Rouge, La.
Posts: 472
Default

Quote:
Originally Posted by GWZ View Post
PC 625 on pilot side. No interference with oil cooler on baffle. The 625 is 2.2 lbs lighter and has slightly higher capacities than the 680 (CCA 220 vs 170). Not sure why itís not more popular.
Did you have to build your own battery box for the 625 or did the 680 battery box work? I actually have the Earth-X battery box and I think itís a little bit bigger than that standard 680 box.

Mark
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  #10  
Old 01-02-2019, 02:36 PM
GWZ GWZ is offline
 
Join Date: May 2009
Location: Greenfield, IN
Posts: 75
Default

I bought my 9A. It does seem to be a custom made holder thatís made from angle stock. A 680 does not fit so itís not a repurposed 680 holder.
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2002 RV-9A 150hp
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