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1. 07:37 AM - Re: Fuel Plumbing ? (Hinde, Frank George (Corvallis))
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With the Facet Fuel pump 1/4" alu line is perfectly fine...For gravity feed (which
would make me a little nervous unless I proved it worked) I would use 3/8ths.
Frank
RV7a IO360..300 hours
601 HDS ..500 hours
-----Original Message-----
From: owner-stratus-list-server@matronics.com [mailto:owner-stratus-list-server@matronics.com] On Behalf Of gary
Sent: Sunday, July 06, 2008 6:16 AM
Subject: Re: Stratus-List: Fuel Plumbing ?
Andy Fultz wrote:
> --> <andynfultz@bellsouth.net>
>
> I'm trying to finalize my fuel system plumbing and was wondering what
> you guys have found to be the best size of fuel line from the header
> tank to the firewall? ? I'm installing a STRATUS EA-81 in my AVID
> Speedwing. I'm thinking 1/4" will do as most of the fittings at the
> wing tanks and the header tank are 1/8" NPT. 1/8" NPT fittings only have a 3/16"
ID. Thanks.
>
> Andy F.
>
I used 3/8" OD fuel line and a mix of 1/8" and 1/4" NPT fittings. it should be
tested for 150% fuel flow which is 12 gph for the Stratus. do you have a 3-stage
filter system (course finger strainers in the tanks, gascolator with medium
and fine fule filters before the carbs)? make sure you do the fuel flow tests
with the nose of the plane raised to max climb attitude and measured from
the fuel lines at the carb. are you using a pump or pumps? i have a high wing
and i didn't quite get the 16" head recommended during climb so i used two facet
pumps. maybe more than i needed but it's been working fine. the Stratus
has the carbs on the top of the engine vs lyco's that have them on the bottom
which provides adequate flow for high wings without pumps.
gary
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