X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imo-d20.mx.aol.com ([205.188.139.136] verified) by logan.com (CommuniGate Pro SMTP 4.3.5) with ESMTP id 1026049 for flyrotary@lancaironline.net; Wed, 29 Jun 2005 12:52:31 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.139.136; envelope-from=Lehanover@aol.com Received: from Lehanover@aol.com by imo-d20.mx.aol.com (mail_out_v38_r1.7.) id q.96.2a4f4a84 (3948) for ; Wed, 29 Jun 2005 12:51:44 -0400 (EDT) From: Lehanover@aol.com Message-ID: <96.2a4f4a84.2ff42ba0@aol.com> Date: Wed, 29 Jun 2005 12:51:44 EDT Subject: Re: [FlyRotary] Re: Single Rotor Research To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1120063904" X-Mailer: 9.0 SE for Windows sub 5012 -------------------------------1120063904 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 6/29/2005 3:33:00 AM Eastern Daylight Time, lendich@optusnet.com.au writes: I don't know why everyone is going on about idle. I have worked on bridge-ported RX-2s and that car idled worse than any PP I have ever heard. The only reason that ANY of the racers don't use P ports is that most of the racing organizations prohibit the mod! That is accurate. However, The idle is also a function of how long the runners are between the port face and the butterly, and on an engine tuned for 9,000 RPM, that runner may only be 7-8 inches long (quite shot). But even so, it would have little effect on an aircraft engine. Pport is allowed for GT-2 class only and only for the 12A engine with only 44 MM chokes. Kind of pointless because it leaves you 30 HP short of the competition. Lynn E. Hanover -------------------------------1120063904 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
In a message dated 6/29/2005 3:33:00 AM Eastern Daylight Time,=20 lendich@optusnet.com.au writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D3>
 I don't know why ev= eryone=20 is going on about idle. I have worked on bridge-ported RX-2s and that car=20 idled worse than any PP I have ever heard. The only reason that ANY of the= =20 racers don't use P ports is that most of the racing organizations prohibit= the=20 mod!
That is accurate. However, The idle is also a function of how long the=20 runners are between the port face and the butterly, and on an engine tuned f= or=20 9,000 RPM, that runner may only be 7-8 inches long (quite shot). But even so= , it=20 would have little effect on an aircraft engine.
 
Pport is allowed for GT-2 class only and only for the 12A engine with o= nly=20 44 MM chokes.
Kind of pointless because it leaves you 30 HP short of the competition.= =20
 
Lynn E. Hanover
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