----- Original Message -----
From: Nick Hammond <nick.hammond@saabsystems.com.au>
Subject: RE: Water drains
> Ferg,
>
> > Similarly, the water drain mod captures pre-flight water
> > and so must be in the lowest position in the fuel system
> > on ground. Mine are three feet aft of the tank.
>
> Surely it's the position of the end of the copper drain lines in the tank
> that matters. These must be at the lowest points in either tank half which
> is where the water will collect. The drain valves just need to be lower
than
> the tank outlet bosses. >
> Best regards, > Nick Hammond
Nick:
Quite right, I was thinking of the gravity route, but the
pressure of fuel above forces the drains to empty. AND the copper drain
tubes must be as far back as possible since the tank tips any water forward
on takeoff.
Thanks, Ferg A064
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