Fuel selector location and belly drain
Posted: Fri Feb 17, 2012 9:37 pm
I would like to use the Andair valve with Left/Right/Both/Off positions, or
a similar valve. I started looking at my fuselage and due to the elevator
push/pull tube, control torque tube, and rudder cables the only place on the
floor I found that looked like it would work was in the gear torsion box to
the right of the left hand gear mounting. It looks like it would end up on
the floor between the pilot's legs. Another possibility would be on the
left hand wall of the forward fuselage in the same spot Piper puts the valve
on the Cherokee series. I prefer the wall so that I won't have my head
under the panel while switching positions (if I ever do: if the tanks bleed
evenly it'll probably always be on BOTH). Any concerns about the fuel lines
running up the wall to the valve, then back down under the forward floor and
forward to the gascolator? Where is the valve on the demonstrator?
I want to use flush fuel drains on the belly to prevent being damaged by
rocks off the prop or main wheels. The flush drains have a stem that sticks
up and makes fitting the tee more difficult. Can the stem be up inside a
piece of pipe leading to the tee and still work OK?
I found a local company that sells a jillion fittings going from 37 degree
flare to pipe thread in any combination you can thing of. They are not AN
but they look to be very good quality. In fact they cost more than AN.
They are steel and plated so they look just like AN bolts with that sort of
gold color. They had exactly what I needed, which is not even available in
AN. Any concerns with using these fittings. (A local IA sent me there when
he could not provide what I needed in AN. He said it was a homebuilt so I
wasn't constrained like he would be with a certified airplane.)
Mike Kimball
SR #044
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a similar valve. I started looking at my fuselage and due to the elevator
push/pull tube, control torque tube, and rudder cables the only place on the
floor I found that looked like it would work was in the gear torsion box to
the right of the left hand gear mounting. It looks like it would end up on
the floor between the pilot's legs. Another possibility would be on the
left hand wall of the forward fuselage in the same spot Piper puts the valve
on the Cherokee series. I prefer the wall so that I won't have my head
under the panel while switching positions (if I ever do: if the tanks bleed
evenly it'll probably always be on BOTH). Any concerns about the fuel lines
running up the wall to the valve, then back down under the forward floor and
forward to the gascolator? Where is the valve on the demonstrator?
I want to use flush fuel drains on the belly to prevent being damaged by
rocks off the prop or main wheels. The flush drains have a stem that sticks
up and makes fitting the tee more difficult. Can the stem be up inside a
piece of pipe leading to the tee and still work OK?
I found a local company that sells a jillion fittings going from 37 degree
flare to pipe thread in any combination you can thing of. They are not AN
but they look to be very good quality. In fact they cost more than AN.
They are steel and plated so they look just like AN bolts with that sort of
gold color. They had exactly what I needed, which is not even available in
AN. Any concerns with using these fittings. (A local IA sent me there when
he could not provide what I needed in AN. He said it was a homebuilt so I
wasn't constrained like he would be with a certified airplane.)
Mike Kimball
SR #044
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