Mailing List flyrotary@lancaironline.net Message #61757
From: Tracy <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: PSRU oil supply and drain
Date: Thu, 7 May 2015 12:37:04 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
The problem comes if there is any significant length of, say, -4 size line in the system before it branches to the two destinations.   The volume of oil to the PSRU alone is about all that a -4 line can handle without too much pressure drop.  Neither the drive nor the turbo can afford to be starved of oil pressure.   Maybe if you screw a T directly into the block there it would be OK.

Tracy

Sent from my iPad

On May 7, 2015, at 12:10, William Mason <flyrotary@lancaironline.net> wrote:

Here is the modified pad
<image1.JPG>


I'd like to take from here to feed the PSRU instead.  <image2.JPG>


My understanding is that the oil returns from the filter into the pressurized galley that crosses over to the turbo oil supply.    Tracy--- is there any reason why I should be concerned about using the lower pictured source for  both Turbo supply and PSRU?



Thanks!
Bill
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