Mailing List flyrotary@lancaironline.net Message #19774
From: Russell Duffy <13brv3@bellsouth.net>
Subject: RE: [FlyRotary] Re: Break In Period?
Date: Mon, 4 Apr 2005 19:53:46 -0500
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>
Message
Joe, I seriously doubt it.  I broken my in about three hours of ground running and I am not even certain that was required.  The important thing is to break it in using mineral based oil rather than a synthetic then changing the filter. 
 
Hi Ed,
 
Well, I hope you're wrong about that mineral based oil thing, because I've got Mobile One in mine, and plan to leave it there.  I do have mostly used parts in the engine though, at least as far as bearings and such go. 
 
I've spent a lot of time recently wondering about this break in business as well.  I'm at the point where I need to start seriously running the engine on the ground, in preparation for flight this weekend (or sooner).  Tuning will consume some of that time, so I guess it's just as well that auto tune hasn't arrived.  Beyond that, I sure don't plan to run more than a few hours on the ground, and I'm pretty sure the folks at the airport would string me up by the naughty bits if I did. 
 
My primary break in plan is a brief high power run to 1400 feet over my airport (because the Navy has a lid on my airspace), then laps at various rpms.  I'll bring a few CD's :-)
 
Rusty (wishing NAS Whiting would end up on the base closure list)
 
 
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