X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imf25aec.mail.bellsouth.net ([205.152.59.73] verified) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTP id 937190 for flyrotary@lancaironline.net; Mon, 09 May 2005 09:49:14 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.73; envelope-from=atlasyts@bellsouth.net Received: from ibm71aec.bellsouth.net ([67.32.133.236]) by imf25aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050509134828.QPLQ2545.imf25aec.mail.bellsouth.net@ibm71aec.bellsouth.net> for ; Mon, 9 May 2005 09:48:28 -0400 Received: from [192.168.2.104] (really [67.32.133.236]) by ibm71aec.bellsouth.net (InterMail vG.1.02.00.01 201-2136-104-101-20040929) with ESMTP id <20050509134827.XOAS1909.ibm71aec.bellsouth.net@[192.168.2.104]> for ; Mon, 9 May 2005 09:48:27 -0400 User-Agent: Microsoft-Entourage/11.1.0.040913 Date: Mon, 09 May 2005 09:48:25 -0400 Subject: Re: [FlyRotary] center rotor OFF From: Bulent Aliev To: Rotary motors in aircraft Message-ID: In-Reply-To: Mime-version: 1.0 Content-type: text/plain; charset="US-ASCII" Content-transfer-encoding: 7bit On 5/9/05 9:40 AM, "cardmarc@charter.net" wrote: > > On a 3 rotor in economy cruise, would it be possible to completely shut off > the center rotor fuel injectors and just pump air? I am sure friction losses > would not be much, and fuel savings could be high. Many cars do this now by > shutting off the valves or some other method. Would the lack of a power pulse > unbalance the engine? Would tracy's unit somehow adjust for this lower power > output without increasing the flow to the other injectors? > Marc W How about seal lubrication Marc? If you are injecting oil, I think oil will accumulate in the spark plug holes and they will be unable to work later when you need them? Buly