Mailing List flyrotary@lancaironline.net Message #15997
From: Russell Duffy <13brv3@bellsouth.net>
Subject: RE: [FlyRotary] Re: oil return banjo fitting?
Date: Tue, 25 Jan 2005 09:57:01 -0600
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>, <Dastaten@earthlink.net>
Message
Umnn,, I think that the drain from the PSRU needs to go DOWNHILL... and the oil adapter block would be 1) uphill from the PSRU oil drain and 2) be under pressure. If you do what I THINK you are describing, I can envision an oil seal giving way.. unless I'm mistaken.  In pictures that I've seen of Bruce's engines, they drill the leg of a rotor housing and tap it, so that it drains into the pan. I am probably going to drill one of the plug side engine mount holes and place an adapter into the existing threads to have my oil return.
 
 
I apologize for not being more precise in my terminology.  The oil return I was discussing was the oil returning to the engine from the oil cooler.  You're right of course about the drain oil location from the redrive, and in fact, I intend to drill the foot of the rotor housing for a fitting while I have this all apart.  The mount holes will also work fine, but I don't think I have as much clearance in front of them for a hose.  
 
Cheers,
Rusty
 
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