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  #1  
Old 07-06-2008, 06:47 PM
Pmerems's Avatar
Pmerems Pmerems is offline
 
Join Date: Jan 2006
Location: Tucson, AZ
Posts: 818
Default Inverted Pickup Fuel Line-Am I missing something?

Gents,

Those of you out there with RV-6/7/8 with an inverted pickup in your tank(s) you maybe able to help.

I am finishing the fuel line plumbing to the fuel tanks on my RV-7A (wings are on temperorily). I am building the fuel line per the plans. I began feeding and bending the fuel line to the inverted pickup tube bulkhead fitting on the tank. After just about completing the routing I was ready to flare the fuel tank end of the line when it occurred to me that I might have some trouble actually putting the tank on with this continuous fuel line. So I tried to install the tank and found that I indeed could not get in on due to the line interfering with the fuel tank forward attach bracket.

Am I missing something? A simple fix would be to cut the fuel line and install a AN coupling in the wing root area.

Please enlighten me. What have other done?

Thanks,

Paul
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  #2  
Old 07-06-2008, 06:58 PM
rrd1_99 rrd1_99 is offline
 
Join Date: Jun 2008
Location: La Grande OR
Posts: 85
Default Use a bulkhead fitting

I am going to install a bulkhead fitting at the fuselage and Aeroquip hose from there to the tank. I know plenty of others have done this for ease of installation.

Of course, I already cut a 1" hole in both sides of the fuse for the aluminum tubing, but I think I will just pop rivet a cover plate over those holes and install the bulkhead fitting in that plate.

Roger
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  #3  
Old 07-07-2008, 04:51 AM
kiwipete kiwipete is offline
 
Join Date: Oct 2007
Location: Birmingham United Kingdom
Posts: 374
Default

Paul

My tank was already attached to the wing so fitting it was straight forward.
I routed the line in one length and used a rubber grommet where it passes through the forward tank attachment.

Peter
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  #4  
Old 07-08-2008, 06:20 AM
aerolite aerolite is offline
 
Join Date: Aug 2006
Posts: 46
Default Inverted fuel line

Paul,

I ran the fuel line just out of the fuse then did a seperate line with a 90 degree elbow at fuse and straight into flop tube.

Steve

RV7 FF


Last edited by aerolite : 07-08-2008 at 06:43 AM.
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  #5  
Old 07-10-2008, 09:06 AM
Pirkka Pirkka is offline
 
Join Date: Feb 2006
Location: Europe, Finland (EFTU)
Posts: 542
Default

Quote:
Originally Posted by aerolite View Post
Steve

RV7 FF

This is the picture I've wanted to see for a long time. I haven't found decent pictures from the drawings but this really tells what is between wing and fuselage. Thank you! Anyone have similar picture from another side of the center spar?
__________________
Pirkka

- RV-7 -
Tail: Waiting for fiberglass.
Wings: Some priming left, then lot of riveting.
QB Fuse + Finishing kit: in crates.
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