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  #1  
Old 09-18-2016, 10:16 AM
Greenley's Avatar
Greenley Greenley is offline
 
Join Date: Jan 2007
Location: Dowagiac, MI
Posts: 306
Default Fuel Pump/Filter install question

Today's agenda is to install the airflow performance pump and filter. When I start laying it out I see that the combination of the two is much longer than the old pump and filter. The mounting brackets already on the floor of the tunnel are to close together. Before I start drilling and moving the pump bracket, are there any better answers? I see that vans now sells a "10 F.I. PUMP KIT" that it says contains items to make this install easier, any idea what the contents are, I know I could call tomorrow, but was hoping to get this done today.
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My RV-10 has now received its airworthiness certificate, flight testing in progress around SW Michigan
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  #2  
Old 09-18-2016, 11:06 AM
togaflyer togaflyer is offline
 
Join Date: Apr 2013
Location: Cleveland Ga
Posts: 484
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Bill,
Those brackets were placed there based on the old pump/filter design. The pump and filter assembly were updated a few years ago, but the brackets are still installed for the original configuration. I assembled the pump and filter, then aligned them in a good location for the fuel lines (valve end and firewall end). I relocated one bracket so the spacing between the pump and filter are centered on the brackets on both units. Easy to do. I'm locating the fuel flow sensor downstream from the engine pump, so no issues working around that in the tunnel area.
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  #3  
Old 09-18-2016, 11:16 AM
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Greenley Greenley is offline
 
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Location: Dowagiac, MI
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That was the best idea I had come up. The shortest I could make the connecting flared tube was just under 2". My problem with that issue is my bucking buddy has headed off to college. Will have to train a new one.
Here is a picture for anyone unfamiliar with the issue.
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  #4  
Old 09-18-2016, 11:38 AM
AviatorJ AviatorJ is offline
 
Join Date: Feb 2015
Location: Oklahoma City
Posts: 681
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Just did this the other day. The kit came with a bunch of random things, including some tubing and rubber gasket material. Per the advice of Tom and some others I just screwed the filter into the pump and used the default brackets. Now being a newer QB things might be in a different location but not sure.

On my iPad and for whatever reason can't cut and paste some pictures but they're some in my build log, also took a picture of everything I got in the kit, including the fuel valve.
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  #5  
Old 09-18-2016, 12:03 PM
togaflyer togaflyer is offline
 
Join Date: Apr 2013
Location: Cleveland Ga
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Two inch between the pump and filter is the shortest you can do. I also went with Tightline for the fuel lines. Right now I have the braded from the tanks through the firewall. Once the engine is mounted, I will do the same FWF. Shaping the aluminum tube to fit is definitly an art. The braded offers simplicity and no chance of fatigue or cracking.
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  #6  
Old 09-19-2016, 08:15 AM
TS Flightlines TS Flightlines is offline
 
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Location: Ridgeland, SC
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Bill--you can remove the pump inlet fitting, swap over the o'ring to the filter, and screw them together. That shortens things up alittle.
Tom
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  #7  
Old 09-19-2016, 08:22 AM
jwilbur jwilbur is offline
 
Join Date: Dec 2010
Location: Culpeper, VA
Posts: 637
Default additional brackets

My solution was very similar. I bought two additional brackets from Van's in order to lengthen the mounting area. I connect the filter directly to the pump with a single connector. Then, because I put the transducer cabin side in the standard location, I had TS Flightline build me a small hard-line to connect from the pump to the red-cube. ... Full disclosure: not flying yet.

Several pictures here:
https://520lw.wordpress.com/2015/05/...e-fuel-system/
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Last edited by jwilbur : 12-20-2017 at 05:00 PM.
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  #8  
Old 09-19-2016, 10:21 AM
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Jesse Jesse is offline
 
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Location: X35 - Ocala, FL
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You could also orient the pump vertically (pump horizontal, but extra manifold part above it instead of beside it) and make a loop line from the filter to the pump.
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  #9  
Old 09-22-2016, 05:31 AM
BigD BigD is offline
 
Join Date: Jul 2012
Location: MS
Posts: 302
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here's another way to do it, (sounds like what Jesse suggested) with a little help from TS Flightlines:



Dave
N102FM

Last edited by BigD : 09-22-2016 at 05:32 AM. Reason: Added text pertaining to Jesse's post
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  #10  
Old 09-22-2016, 07:26 AM
Don at Airflow Don at Airflow is offline
 
Join Date: Jun 2006
Posts: 316
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You can also connect the filter directly to the inlet manifold thus eliminating the tube connection.
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