Received-SPF: none
 receiver=logan.com; client-ip=204.127.217.104; envelope-from=bbradburry@bellsouth.net
From: "Bill Bradburry" <bbradburry@bellsouth.net>
To: "'Rotary motors in aircraft'" <flyrotary@lancaironline.net>
References: <list-5517757@logan.com>
In-Reply-To: <list-5517757@logan.com>
Subject: RE: [FlyRotary] Re: It won't run no more
Date: Tue, 1 May 2012 13:32:49 -0400
Message-ID: <809B32691C64461691DCD8602A04149D@Desktop>
MIME-Version: 1.0
Content-Type: text/plain;
	charset="us-ascii"
Content-Transfer-Encoding: 7bit
Thread-Index: Ac0nvl2GjLtcOymzTvaiAV6jt/AR0QAAeNdw

Is that a ker-chunk ker-chunk or a ploop ploop?  :>)

B2

-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
Behalf Of Ernest Christley
Sent: Tuesday, May 01, 2012 1:17 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: It won't run no more

Lehanover@aol.com wrote:
> The rotary when parked has the exhaust ports open to the exhaust system.
> So the inside of the engine is available to mice and spiders and air
> with moisture in it. So every so often an apex seal will get rusted into
> the slot and after one revolution will stick in the lowest position in
> its cycle. Then you have a low compression on one or both rotors. Note
> that one leaking apex seals affects two combustion chambers.
>  

Pulling the blade through one revolution give me a little more that six
solid ker-chunks from the engine with my 3.14
gearbox ratio.  Would that indicate a good seal, or with that just be an
unreliable first approximation?

--
Homepage:  http://www.flyrotary.com/
Archive and UnSub:
http://mail.lancaironline.net:81/lists/flyrotary/List.html