X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imo-m25.mx.aol.com ([64.12.137.6] verified) by logan.com (CommuniGate Pro SMTP 5.1.10) with ESMTP id 2200113 for flyrotary@lancaironline.net; Thu, 26 Jul 2007 08:07:24 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.137.6; envelope-from=Lehanover@aol.com Received: from Lehanover@aol.com by imo-m25.mx.aol.com (mail_out_v38_r9.2.) id q.d16.12b28c45 (65099) for ; Thu, 26 Jul 2007 08:06:43 -0400 (EDT) From: Lehanover@aol.com Message-ID: Date: Thu, 26 Jul 2007 08:06:42 EDT Subject: Re: [FlyRotary] Re: carbs vs efi To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1185451602" X-Mailer: 9.0 Security Edition for Windows sub 5366 X-Spam-Flag: NO -------------------------------1185451602 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 7/26/2007 3:44:09 A.M. Eastern Daylight Time, lendich@optusnet.com.au writes: Lynn, Do you think that's why some PP are sloped down - i.e. to limit extending the closing event too far up the RPM band, Something to think about. Just when I thought I had it sorted out. George (down under) I don't think there was an attempt to affect any performance with that angle. It just makes boring the hole quick and easy. The factory port runners are parallel with the pan mating surface. For much of the time (in degrees) before closing the rotor surface is also parallel with the pan mating surface. It looks like a far better situation than the angled inlet. It might also add a bit of support the inner wall. Use a thick walled tube with a light press fit into the inner wall of the housing. Lest you flex the chromed surface and make a crack when you torque up the stack. Torque it up empty and dry several times to be sure this did not happen. Lynn E. Hanover ************************************** Get a sneak peek of the all-new AOL at http://discover.aol.com/memed/aolcom30tour -------------------------------1185451602 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
In a message dated 7/26/2007 3:44:09 A.M. Eastern Daylight Time,=20 lendich@optusnet.com.au writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>
Lynn,
Do you think that's why some PP are sloped down - i.e. to limit exten= ding=20 the closing event too far up the RPM band,
Something to think about.
Just when I thought I had it sorted out.
George (down under)
I don't think there was an attempt to affect any performance with that=20 angle. It just makes boring the hole quick and easy. The factory port runner= s=20 are parallel with the pan mating surface. For much of the time (in degrees)=20 before closing the rotor surface is also parallel with the pan mating surfac= e.=20 It looks like a far better situation than the angled inlet. It might also ad= d a=20 bit of support the inner wall.
 
Use a thick walled tube with a light press fit into the inner wall of t= he=20 housing. Lest you flex the chromed surface and make a crack when you torque=20= up=20 the stack. Torque it up empty and dry several times to be sure this did not=20 happen.
 
 
Lynn E. Hanover



Get a= sneak peek of the all-new AOL.com.
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