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From: "Ed Anderson" <eanderson@carolina.rr.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-853965@logan.com>
Subject: Re: [FlyRotary] OIL PRESSURE
Date: Thu, 1 Dec 2005 21:56:13 -0500
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Bully, I run 20-50 synthetic and 3000 rpm makes me 50 PSI, cruise at 
5600-6000 makes 70 psi.  That's what it has been since day one regardless of 
using mineral oil or synthetic. On really hot days right after take off oil 
pressure may decrease to around 65 psi until the oil temps cool down.

Ed
----- Original Message ----- 
From: "Buly" <atlasyts@bellsouth.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Thursday, December 01, 2005 11:18 AM
Subject: [FlyRotary] OIL PRESSURE


>I was thinking about the oil pressure readings that Lynn recommended.  On 
>our turbo engines we have actually two relieve holes: One is the  turbo 
>lubrication which is tapped into the engine oil pressure and  the other end 
>is basically open ended to the oil pan. The other one  is the PSRU 
>lubrication system. Also a 1/4" relieve tube that takes  oil pressure from 
>the system and it is open to the oil pan. Doesn't  that lower the overall 
>oil pressure?
> My engine at 3000 rpm makes about 50-55 psi OP with 15-40 oil. So I 
> wander if it is adequate? I know if I run 20-50 it will be higher.
> Buly
>
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