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Old 09-22-2016, 06:28 AM
N427EF N427EF is offline
Join Date: Oct 2005
Posts: 1,510
Default Serviceability?

Before you settle on a final decision, keep in mind that you'll need to remove and service your filter once every so often.
As easy as it seems at this point, doing anything in the tunnel after the fuel valve and heater hoses are installed can be quite an unattractive chore.
I placed 2 AFP filters, one each under the front seats, very easily accessible
and with 2 filters you can cut your filter inspection in half as well.
Your pump and other fuel system components will need little if any service,
rather a visual inspection at annual and in order to access anything in the
tunnel you have to remove the seats anyway.
Think about it.
Ernst Freitag
RV-8 finished (sold)
RV-10 Flyer 400 plus hours
Over 2500 Gallons of E10 mogas burned
Don't believe everything you know.
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Old 09-22-2016, 09:24 AM
AviatorJ AviatorJ is offline
Join Date: Feb 2015
Location: Oklahoma City
Posts: 859

I installed an Airward service panel on the side of the right seat tunnel. Right now seems easy enough to get to. But I don't have all the hoses and what not in there yet.
RV-10, N10JW
First Flight 2/14/2019
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Old 09-22-2016, 11:30 AM
Greenley's Avatar
Greenley Greenley is offline
Join Date: Jan 2007
Location: Dowagiac, MI
Posts: 345

Thank you for all the input, I ended up moving the pump bracket forward a few inches and making a 2" flared pipe to connect it to filter. I have added an access panel on the side so getting to the filter is not bad, I have tested that. If I had not already done this I really like the idea of rotating the pump 90 degrees and connecting it to the filter with a flexible hose. Maybe on the next build (don't tell my wife I said that ).
Bill Greenley
My RV-10 is now painted and in phase 2, ready to travel!!!!!!
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Old 11-07-2018, 10:24 PM
amerkarim amerkarim is offline
Join Date: Nov 2017
Location: Houston Tx
Posts: 43

I have a similar problem with the new pump setup being much longer with the filter in tandem, I also have the fuel flow senders in the tunnel.

I already have 2 AN aluminium filters under the seat panels, one from each tank before the fuel lines get to the tunnel. Getting under the seats is easier than opening up the tunnel for me as I have the centre arm rest etc.

Is it now possible to install the airflow filter on the other side of the firewall. It is all aluminium after all, and I have a return line installed in any case after the mechanical pump to keep the fuel cool.

This would save space in the tunnel and also act as an extra filter to stop pump parts and debris blocking the fuel line in the mechanical pump. Might even be easier to open and clean out rather than taking the tunnel apart every time.
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