Return-Path: Received: from fed1rmmtao05.cox.net ([68.230.241.34] verified) by logan.com (CommuniGate Pro SMTP 4.2b8) with ESMTP id 326810 for flyrotary@lancaironline.net; Mon, 19 Jul 2004 16:57:04 -0400 Received-SPF: error receiver=logan.com; client-ip=68.230.241.34; envelope-from=ALVentures@cox.net Received: from BigAl ([68.107.116.221]) by fed1rmmtao05.cox.net (InterMail vM.6.01.03.02.01 201-2131-111-104-103-20040709) with ESMTP id <20040719205632.DITV7284.fed1rmmtao05.cox.net@BigAl> for ; Mon, 19 Jul 2004 16:56:32 -0400 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: 11th test flight Date: Mon, 19 Jul 2004 13:56:32 -0700 Message-ID: <000001c46dd2$e0a22920$6400a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C46D98.34435120" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 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_0001_01C46D98.34435120 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I used to measure temps of both coolant and oil before and after the coolers and found that I was getting 36F delta T on the coolant and 9F = delta T on the oil. I was measuring oil temps at the stock oil filter location (where I put an adapter block) which is after the filter & cooler, and = in the sump. So the oil temps in the engine are not out of a safe operating range. =20 Todd; =20 Is that a typo on the oil delta T? What were the conditions for that = data point? That low a drop suggests that the heat removal equivalent to = about 50 hp out of the engine; so it seems something is amiss. =20 Al ------=_NextPart_000_0001_01C46D98.34435120 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

  I used to = measure temps of both coolant and oil before and after the coolers and found = that I was getting 36F delta T on the coolant and 9F delta T on the oil. I was = measuring oil temps at the stock oil filter location (where I put an adapter = block) which is after the filter & cooler, and in the sump. So the oil temps in = the engine are not out of a safe operating range.

 

Todd;

 

Is that a typo on the oil delta = T?  What were the conditions for that data point?  That low a drop suggests = that the heat removal equivalent to about 50 hp out of the engine; so it = seems something is amiss.

 

Al

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