Mailing List flyrotary@lancaironline.net Message #42051
From: David Staten <Dastaten@earthlink.net>
Subject: Re: [FlyRotary] Oil Change Interval
Date: Mon, 24 Mar 2008 22:35:10 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
My flying club used 50 hours as the time in service for oil changes, or every 6 mos whichever came first. Granted this was non-rotary, but this correlates with fleet management vehicle programs that I am familiar with (ambulances, fire trucks that have lots of engine hours compared to miles driven)..

Dave

Mark Steitle wrote:
I don't recall this being discussed on the Fly Rotary list in the recent past.  So, here goes...

What is the consensus regarding oil change intervals for normally aspirated rotary powered a/c, assuming Mobil 1 and a high quality oil filter.   I want to err on the safe side, but with a 12 quart capacity, we're talking about $100 per oil change.   I don't want to damage my engine/psru, but I also don't want to dump good oil either. Mark S.
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