Return-Path: Received: from fed1rmmtao01.cox.net ([68.230.241.38] verified) by logan.com (CommuniGate Pro SMTP 4.2b8) with ESMTP id 321837 for flyrotary@lancaironline.net; Wed, 14 Jul 2004 21:56:44 -0400 Received-SPF: error receiver=logan.com; client-ip=68.230.241.38; envelope-from=daveleonard@cox.net Received: from davidandanne ([68.111.224.107]) by fed1rmmtao01.cox.net (InterMail vM.6.01.03.02 201-2131-111-104-20040324) with SMTP id <20040715015612.DNCI7910.fed1rmmtao01.cox.net@davidandanne> for ; Wed, 14 Jul 2004 21:56:12 -0400 From: "DaveLeonard" To: "Rotary motors in aircraft" Subject: RE: [FlyRotary] Re: New Scoop Date: Wed, 14 Jul 2004 18:56:17 -0700 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0062_01C469D4.3E71B8C0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) 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_0062_01C469D4.3E71B8C0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Steve, I can fly about 80% power (27"MAP) straight and level (200mph) and my coolant settles out at about 200 with oil at about 145. This is great for 95% of everything I want out of my plane. But prolonged climb is limited to less than 500 fpm because of coolant temps and that takes away any bragging rights I had over the lyc powered RV-6's. I expect to fix my cooling imbalance withing a few months, but I agree with the others. Shoot for slightly better cooling and you won't be disappointed. Dave Leonard. -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of Al Gietzen Sent: Wednesday, July 14, 2004 5:04 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: New Scoop If I can get a 75% power cruise with oil temperature of 200-210 and coolant of 190-200, I'll be happy. I need to improve my cooling temperatures by a good 10-15 degrees to accomplish that. Is that a reasonable objective, or am I trying to hit a target that is too low ? It seems to me that 217 oil and 200 coolant is a little on the high side. And that is at about 55% power. If my objectives aren't right, it would be really easy to just raise the target. In fact, it would make my day. Steve Personally, I think your objectives are about right. I designed for 80% power on a 90F day. Al ------=_NextPart_000_0062_01C469D4.3E71B8C0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Steve,=20 I can fly about 80% power (27"MAP) straight and level (200mph) and = my=20 coolant settles out at about 200 with oil at about 145. This is = great for=20 95% of everything I want out of my plane. But prolonged = climb=20 is limited to less than 500 fpm because of coolant temps and that takes = away any=20 bragging rights I had over the lyc powered RV-6's. I expect to fix = my=20 cooling imbalance withing a few months, but I agree with the = others. Shoot=20 for slightly better cooling and you won't be = disappointed.

Dave=20 Leonard.

-----Original Message-----
From: Rotary motors in = aircraft=20 [mailto:flyrotary@lancaironline.net]On Behalf Of Al=20 Gietzen
Sent: Wednesday, July 14, 2004 5:04 PM
To: = Rotary=20 motors in aircraft
Subject: [FlyRotary] Re: New=20 Scoop

If I can get a 75% power cruise with oil = temperature=20 of 200-210 and coolant

of 190-200, I'll be happy. I need to = improve my=20 cooling temperatures by a

good 10-15 degrees to accomplish=20 that.

Is that a reasonable objective, or am I = trying to hit=20 a target that is too

low ? It seems to me that 217 oil and = 200=20 coolant is a little on the high

side. And that is at about 55%=20 power.

If my objectives aren't right, it would be = really easy=20 to just raise the

target. In fact, it would make my=20 day.

Steve

Personally, I=20 think your objectives are about right. I designed for 80% power = on a 90F=20 day.

Al

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