X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [64.12.137.3] (HELO imo-m22.mail.aol.com) by logan.com (CommuniGate Pro SMTP 5.1.9) with ESMTP id 2072964 for flyrotary@lancaironline.net; Tue, 29 May 2007 12:37:54 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.137.3; envelope-from=Lehanover@aol.com Received: from Lehanover@aol.com by imo-m22.mx.aol.com (mail_out_v38_r9.2.) id q.d18.b420113 (40520) for ; Tue, 29 May 2007 12:37:04 -0400 (EDT) From: Lehanover@aol.com Message-ID: Date: Tue, 29 May 2007 12:37:03 EDT Subject: Re: [FlyRotary] Re: Cooling Recommendations To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1180456623" X-Mailer: 9.0 Security Edition for Windows sub 5366 X-Spam-Flag: NO -------------------------------1180456623 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 5/29/2007 11:21:11 A.M. Eastern Daylight Time, eanderson@carolina.rr.com writes: On the other hand, since 99 % of what we do is at the eye-ball engineering style - any examples is bound to be helpful. Ed What about the adjustable inlet and cowl flap interconnection being of any help. I can buy a lot of cooling capability and fit it into a BD-4 cowl. I could then limit flow through the cores with a variable inlet scheme. I have had to add pancake fans to keep temps under control when a problem occurs on the false grid after the signal to start engines. We could just turn on the fan and keep running. Piston cars would have to shut down and risk boiling the fuel in the carb and flooding. We beat other cars more than once who couldn't restart after going to operating temp and shutting down for a while. Once I added the biggest radiator Griffin could make I had no such problem again and pitched the fan. But I note that just a small fan could cool enough to allow idle speeds all afternoon. Idle is 2,200 RPM and never a drop in the catch tank. Lynn E. Hanover ************************************** See what's free at http://www.aol.com. -------------------------------1180456623 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
In a message dated 5/29/2007 11:21:11 A.M. Eastern Daylight Time,=20 eanderson@carolina.rr.com writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D3>
On the other hand, since 99 % of what we do is at the eye-ball=20 engineering style - any examples is bound to be helpful.
 
Ed
What about the adjustable inlet and cowl flap interconnection bein= g of=20 any help.
 
I can buy a lot of cooling capability and fit it into a BD-4 cowl. I co= uld=20 then limit flow through the cores with a variable inlet scheme. I have had t= o=20 add pancake fans to keep temps under control when a problem occurs on the fa= lse=20 grid after the signal to start engines. We could just turn on the fan and ke= ep=20 running. Piston cars would have to shut down and risk boiling the fuel in th= e=20 carb and flooding. We beat other cars more than once who couldn't=20 restart after going to operating temp and shutting down for a while. 
 
Once I added the biggest radiator Griffin could make I had no such prob= lem=20 again and pitched the fan. But I note that just a small fan could cool enoug= h to=20 allow idle speeds all afternoon. Idle is 2,200 RPM and never a drop in the c= atch=20 tank.
 
Lynn E. Hanover



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