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1. 06:18 AM - Re: Fuel Plumbing ? (gary)
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| Subject: | Re: Fuel Plumbing ? |
Andy Fultz wrote:
>
> 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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