Hi Monty,
Don’t recall exactly and my CADD
package blew away with my last computer crash – so can’t open my
CAD drawing. Am sending you a copy of a photo and the drawing (you may be
able to open it).
It looks like the oil pickup (curved blue
tube going from plate down to rectangular sump) is about 8-10” long with
a screen on the bottom. One guy had his running approx 18” –
but he was using a rubber hose which eventually collapsed causing his
engine to seize.
I use a gasket on the inside of the plate (between
plate and oil pump inlet) and a vitro “O” ring and a metal bracket
around the tube to press down on the ”O” ring on the outside of the
plate (where the tube goes through) which seals the tube against the
plate. It’s worked fine for over 5 years – I do change the “O”
ring any time I take the pan off.
My oil pressure comes up immediately on
engine start. However, needles to say (but, I will) very important that
no air leaks are present – the pump sucks air much easer than it sucks
oil {:>)
Ed
From: Rotary motors in aircraft
[mailto:flyrotary@lancaironline.net] On
Behalf Of Monty Roberts
Sent: Thursday, September 11, 2008
11:42 AM
To: Rotary
motors in aircraft
Subject: [FlyRotary] remote oil
tank
I recall a discussion a while ago about a remote oil
tank. I am as usual trying to put 10lbs of poo in a 5lb sack. I don't want
to use a dry sump for weight and complexity reasons. How far below the oil pump
inlet flange do you guys think I could locate the oil level before I
start to have problems with foaming.
Ed, how long is the pickup tube for your tank and how far is
the oil level below your pump inlet?
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