Return-Path: Received: from smtp104.mail.sc5.yahoo.com ([66.163.169.223] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with SMTP id 549416 for flyrotary@lancaironline.net; Mon, 29 Nov 2004 08:36:19 -0500 Received-SPF: none receiver=logan.com; client-ip=66.163.169.223; envelope-from=prvt_pilot@yahoo.com Received: from unknown (HELO stevehome) (prvt?pilot@24.136.229.34 with login) by smtp104.mail.sc5.yahoo.com with SMTP; 29 Nov 2004 13:35:50 -0000 Reply-To: From: "Steve BRooks" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: high oil temps must end Date: Mon, 29 Nov 2004 08:35:18 -0500 Message-ID: <005601c4d618$45185c00$6b01a8c0@workgroup.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0057_01C4D5EE.5C425400" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook CWS, Build 9.0.6604 (9.0.2911.0) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1441 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0057_01C4D5EE.5C425400 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit MessageEd, This is very close to what I ended up with on my plane, which finally got my temperatures down. Actually, I'm about 48 sq in on the coolant, and 25 sq in on the oil. I am running a stock 89-91 turbo setup, which is rated at 200 HP (at 6000 rpm's I beleive). I don't know what horsepower you are running now with your "C" drive, but I would guess that it's pretty close to what I'm running with the turbo. I would also think that you could get by with a little less inlet area, since the tractor configuration is bound to be more efficient getting cooling air in and out. Steve Brooks Ed Anderson Wrote: My conclusion is my current 28 sq inch for core inlets is a bit on the small side for the C drive and high RPM/power. I intend to increase it to a total of 38 sq inch from the current 28 for coolant but leave the oil at 24 sq inch. ------=_NextPart_000_0057_01C4D5EE.5C425400 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
Ed,
This=20 is very close to what I ended up with on my plane, which finally got my=20 temperatures down.  Actually, I'm about 48 sq in on the coolant, = and 25 sq=20 in on the oil.
I am=20 running a stock 89-91 turbo setup, which is rated at 200 HP (at 6000 = rpm's I=20 beleive).
 
I=20 don't know what horsepower you are running now with your "C" drive, but = I would=20 guess that it's pretty close to what I'm running with the=20 turbo.
 
I=20 would also think that you could get by with a little less inlet area, = since the=20 tractor configuration is bound to be more efficient getting cooling air = in and=20 out.
 
 
Steve=20 Brooks
 
 
Ed Anderson = Wrote:
My conclusion is my current 28 sq = inch for=20 core inlets is a bit on the small side for the C drive and high=20 RPM/power.  I intend to increase it to a total of 38 sq inch = from the=20 current 28 for coolant but leave the oil at 24 sq inch.  =
 
 
 
 
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