X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imo-m24.mx.aol.com ([64.12.137.5] verified) by logan.com (CommuniGate Pro SMTP 5.2.3) with ESMTP id 2917385 for flyrotary@lancaironline.net; Sun, 11 May 2008 08:32:05 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.137.5; envelope-from=Lehanover@aol.com Received: from Lehanover@aol.com by imo-m24.mx.aol.com (mail_out_v38_r9.4.) id q.c2c.341c6f37 (48576) for ; Sun, 11 May 2008 08:31:20 -0400 (EDT) From: Lehanover@aol.com Message-ID: Date: Sun, 11 May 2008 08:31:46 EDT Subject: Re: [FlyRotary] Hairy Chested Heroes To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1210509106" X-Mailer: 9.0 for Windows sub 5132 X-Spam-Flag: NO -------------------------------1210509106 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 5/11/2008 4:22:41 AM Eastern Daylight Time, bartrim@gmail.com writes: may well come in the form of an engine failure just after takeoff. Actually the most likely cause of power loss after takeoff will be fuel management related in all cases. Even for piston engines. The large displacement piston engines require huge amounts of fuel for take off at sea level just to avoid detonation. Turbocharged engines even more. So, if your fuel system has never been set up to provide the excess fuel, you may be in the red on every take off. This is the Bendix style dribble fuel injection. The rotary will run with gusto well over rich, as well as well over lean. Much longer life available at over rich at full throttle best power, However, that is an EGT problem for the apex seals, and leaning past best power reduces EGT, so overlean operation is not a problem at all. Over lean to the point of cutoff may be a bit crisper than a piston engine, but does no damage. So even a fuel fault would probably get you further along behind (or ahead of) a rotary than a piston engine. And, if you get the fuel back on in time, there will still be an engine out there to use it. In so many cases, the difference between an embarrassing call to the insurance company or two funerals has come down to another second of power, or less than 24 inches of altitude. Peter was kind enough to leave out "Insane and Lemmings." Lynn E. Hanover **************Wondering what's for Dinner Tonight? Get new twists on family favorites at AOL Food. (http://food.aol.com/dinner-tonight?NCID=aolfod00030000000001) -------------------------------1210509106 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
In a message dated 5/11/2008 4:22:41 AM Eastern Daylight Time, bartrim@= gmail.com writes:
may well come in the form of an engine= failure just after takeoff.
Actually the most likely cause of power loss after takeoff will be fuel= management related in all cases. Even for piston engines. The large displac= ement piston engines require huge amounts of fuel for take off at sea level=20= just to avoid detonation. Turbocharged engines even more. So, if your fuel s= ystem has never been set up to provide the excess fuel, you may be in the re= d on every take off. This is the Bendix style dribble fuel injection.
 
The rotary will run with gusto well over rich, as well as well over lea= n. Much longer life available at over rich at full throttle best power, Howe= ver, that is an EGT problem for the apex seals, and leaning past best power=20= reduces EGT, so overlean operation is not a problem at all. Over lean to the= point of cutoff may be a bit crisper than a piston engine, but does no dama= ge.
 
So even a fuel fault would probably get you further along behind (or ah= ead of) a rotary than a piston engine.
And, if you get the fuel back on in time, there will still be an engine= out there to use it. In so many cases, the difference between an embarrassi= ng call to the insurance company or two funerals has come down to another se= cond of power, or less than 24 inches of altitude.
 
Peter was kind enough to leave out "Insane and Lemmings."
 
Lynn E. Hanover 



Wonder= ing what's for Dinner Tonight? Get new twists on family favori= tes at AOL Food.
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