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 5.1.10) with ESMTP id 2159657 for flyrotary@lancaironline.net; Thu, 05 Jul 2007 11:19:20 -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_r9.2.) id q.c71.164df078 (65098) for ; Thu, 5 Jul 2007 11:18:35 -0400 (EDT) From: Lehanover@aol.com Message-ID: Date: Thu, 5 Jul 2007 11:18:35 EDT Subject: Re: [FlyRotary] Re: [Fwd: [Fwd: RV-7A Cooling]] To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1183648715" X-Mailer: 9.0 Security Edition for Windows sub 5366 X-Spam-Flag: YES -------------------------------1183648715 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 7/5/2007 10:03:33 A.M. Eastern Daylight Time, eanderson@carolina.rr.com writes: Ok, Dennis. That small a hole should not make a significant difference then. Just asked to make certain it was not the possible cause of the problem. Actually more fluid (especially hot oil) through a 0.02 opening than you might think. As I recall the old Ross Redrive had a restrictor of only 0.03 and that still provide sufficient oil for the redrive. But your flow through the 0.02 would probably be on the order of a pint a minute or there abouts. So compared to the 15 or so GPM of oil flow - it would be insignificant. I think an air bleed for anything in the oiling system should return to the sump. I had to do that to an Accusump (accumulator) system to keep it working. I used clear nylon tubing for the vent hose and was amazed by how much foam went flying through the tubing, that was collecting in the Accusump. Lynn E. Hanover ************************************** See what's free at http://www.aol.com. -------------------------------1183648715 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

In a message dated 7/5/2007 10:03:33 A.M. Eastern Daylight Time,=20 eanderson@carolina.rr.com writes:

<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>

Ok, Dennis. That small a hole should not mak= e a=20 significant difference then. Just asked to make certain it was not t= he=20 possible cause of the problem. Actually more fluid (especially hot o= il)=20 through a 0.02 opening than you might think. As I recall the old Ros= s=20 Redrive had a restrictor of only 0.03 and that still provide sufficient oi= l=20 for the redrive. But your flow through the 0.02 would probably be on= the=20 order of a pint a minute or there abouts. So compared to the 15 or s= o=20 GPM of oil flow - it would be insignificant. =20

I think an air bleed for anything in the oiling system should retu= rn=20 to the sump.

I had to do that to an Accusump (accumulator) system to keep it=20 working. I used clear nylon tubing for the vent hose and was amazed by= how=20 much foam went flying through the tubing, that was collecting in the=20 Accusump.

Lynn E. Hanover

See w= hat's free at AOL.= com.

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