Return-Path: <13brv3@bellsouth.net> Received: from [209.114.234.2] (HELO IPOfCard1.guest-tek.com) by logan.com (CommuniGate Pro SMTP 4.2b2) with ESMTP id 3163477 for flyrotary@lancaironline.net; Mon, 12 Apr 2004 20:31:13 -0400 Received: from USDCLES112NB160 ([198.18.1.149]) by IPOfCard1.guest-tek.com (8.11.6/8.11.6) with SMTP id i3D0J4u25754 for ; Mon, 12 Apr 2004 20:19:04 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "Rotary motors in aircraft" Subject: RE: [FlyRotary] typical operating temperatures Date: Mon, 12 Apr 2004 19:30:39 -0500 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0013_01C420C4.A31A38A0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.6604 (9.0.2911.0) Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 This is a multi-part message in MIME format. ------=_NextPart_000_0013_01C420C4.A31A38A0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit What coolant and oil temps should I be looking for in the climb and at cruise? What temps are considered red-line / never exceed? The oil limit is pretty well established. According to most sources, 210 F is the never exceed limit for oil temp, measured as it enters the engine from the coolers. Having said that, I ran as high as 240 F in earlier tests, before I knew better. My engine has the good o-rings, which adds some cushion, but I figure I've used a few of my 9 lives already :-) Water should be kept safely below the boiling point, which will vary with pressure and coolant percentage. I can't recall the number, but I believe Lynn once stated that you start losing some power above 180 degrees. Cheers, Rusty (I need a better prop) ------=_NextPart_000_0013_01C420C4.A31A38A0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

What = coolant and oil=20 temps should I be looking for in the climb and at = cruise?

What = temps are=20 considered red-line / never exceed?

The oil limit is pretty well = established. =20 According to most sources, 210 F is the never exceed limit for oil temp, = measured as it enters the engine from the coolers. Having said = that, I ran=20 as high as 240 F in earlier tests, before I knew better. My engine = has the=20 good o-rings, which adds some cushion, but I figure I've used a few of = my 9=20 lives already :-)

Water should be kept safely below the = boiling point,=20 which will vary with pressure and coolant percentage. I can't = recall the=20 number, but I believe Lynn once stated that you start losing some power = above=20 180 degrees.

Cheers,

Rusty (I need a better = prop)

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