X-Virus-Scanned: clean according to Sophos on Logan.com From: "Jeff Whaley" Received: from hub026-NJ-8.exch026.serverdata.net ([206.225.166.171] verified) by logan.com (CommuniGate Pro SMTP 6.1c2) with ESMTPS id 7436549 for flyrotary@lancaironline.net; Mon, 26 Jan 2015 08:50:46 -0500 Received-SPF: none receiver=logan.com; client-ip=206.225.166.171; envelope-from=jwhaley@datacast.com Received: from MBX026-E1-NJ-2.exch026.domain.local ([10.240.14.52]) by HUB026-NJ-8.exch026.domain.local ([10.240.14.236]) with mapi id 14.03.0174.001; Mon, 26 Jan 2015 05:50:10 -0800 To: Rotary motors in aircraft Subject: RE:[FlyRotary] My next engine Thread-Topic: RE:[FlyRotary] My next engine Thread-Index: AdA5bv97XED9Nh94QMC4u9Kzt0tlCA== Date: Mon, 26 Jan 2015 13:50:09 +0000 Message-ID: <234B758DE9A64449BEB6BB5D1345CA7A48EAB757@mbx026-e1-nj-2.exch026.domain.local> Accept-Language: en-CA, en-US Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: x-originating-ip: [209.87.232.162] Content-Type: multipart/related; boundary="_005_234B758DE9A64449BEB6BB5D1345CA7A48EAB757mbx026e1nj2exch_"; type="multipart/alternative" MIME-Version: 1.0 --_005_234B758DE9A64449BEB6BB5D1345CA7A48EAB757mbx026e1nj2exch_ Content-Type: multipart/alternative; boundary="_000_234B758DE9A64449BEB6BB5D1345CA7A48EAB757mbx026e1nj2exch_" --_000_234B758DE9A64449BEB6BB5D1345CA7A48EAB757mbx026e1nj2exch_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable What he's saying is the spark plug holes inside the rotor housing are too l= arge (much larger than apex seal width) so at peak compression and just pri= or to combustion, a percentage of compressed air/fuel mixture enters the sp= ark plug hole and leaks ahead of the apex seal into the exhaust cycle, crea= ting spontaneous combustion in the exhaust and higher exhaust temperature. = His theory is if the holes were slots, similar in width to an apex seal th= is would stop any leakage into the exhaust cycle - more complete combustion= =3D higher efficiency - don't put air fuel into the exhaust for spontaneou= s combustion. Jeff From: Bill Bradburry Subject: RE: [FlyRotary] My next engine Date: Sat, 24 Jan 2015 23:03:22 -0600 To: 'Rotary motors in aircraft' [Message Header] [Undecoded Message] What is the consensus about these slots? https://www.youtube.com/watch?v=3Dm3pCLjHZmhM Bill -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] Sent: Saturday, January 24, 2015 7:59 PM To: Rotary motors in aircraft Subject: [FlyRotary] My next engine Folks, R12 12 Rotor Engine on the Dyno short version http://www.youtube.com/watch?v=3DQcgg7w6TFQc Bob Tilley -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html This message, and the documents attached hereto, is intended only for the a= ddressee and may contain privileged or confidential information. Any unauth= orized disclosure is strictly prohibited. If you have received this message= in error, please notify us immediately so that we may correct our internal= records. Please then delete the original message. Thank you. --_000_234B758DE9A64449BEB6BB5D1345CA7A48EAB757mbx026e1nj2exch_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

What he’s saying is the spark plug holes insid= e the rotor housing are too large (much larger than apex seal width) so at = peak compression and just prior to combustion, a percentage of compressed a= ir/fuel mixture enters the spark plug hole and leaks ahead of the apex seal into the exhaust cycle, creating spontane= ous combustion in the exhaust and higher exhaust temperature. His the= ory is if the holes were slots, similar in width to an apex seal this would= stop any leakage into the exhaust cycle – more complete combustion =3D higher efficiency – don’t= put air fuel into the exhaust for spontaneous combustion.

Jeff

From:	Bill Bradburry <flyrotary@lancaironline.net>
Subject:=	RE: [FlyRotary] My next engine
Date:	Sat, 24 Jan 2015 23:03:22 -0600
To:	'Rotary motors in aircraft' <flyrotary@lancaironl= ine.net>

What is the consensus about these slots?

https://www.youtube.com/watch?v=3Dm3pCLjHZmhM

Bill

-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]
Sent: Saturday, January 24, 2015 7:59 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] My next engine

Folks,

R12 12 Rotor Engine on the Dyno short version

http://www.youtube.com/watch?v=3DQcgg7w6TFQc

Bob Tilley

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

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