Head pressure in a engine will be near 0

----- Original Message -----
From: <echristley@nc.rr.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Wednesday, December 03, 2003 3:07 PM
Subject: [FlyRotary] Re: EWP pressure or flow


> I finally got through to the archives, and found the numbers stated as one
EWP producing 45 liters/min and two in series producing ~56 liters/min.  But
against what head pressure?
>
> I searched all over Davie-Craig's website.  While they quote flowrate all
over the place, they never state how much head pressure these pumps will
create.  I'm still trying to work up feasibility numbers for relocating the
rads to the back of the plane, and expect much higher than normal back
pressure.  Is there a way to calculate out these sort of numbers?
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