X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 03 Aug 2005 13:42:27 -0400 Message-ID: X-Original-Return-Path: Received: from systems3.net ([68.14.236.16] verified) by logan.com (CommuniGate Pro SMTP 4.3.6) with ESMTPS id 623595 for lml@lancaironline.net; Wed, 03 Aug 2005 12:19:57 -0400 Received-SPF: none receiver=logan.com; client-ip=68.14.236.16; envelope-from=cberland@systems3.net Received: from systems0d3b724 ([192.168.1.81]) by systems3.net (8.13.4/8.13.4/Debian-1) with SMTP id j73GJDXf024315 for ; Wed, 3 Aug 2005 09:19:13 -0700 X-Original-Message-ID: <013a01c59846$c675f8c0$5101a8c0@systems0d3b724> From: "Craig Berland" X-Original-To: "Lancair Mail List" Subject: [LML] Lower Cowl Air Temperature - Induction Air - Heater Air Temp X-Original-Date: Wed, 3 Aug 2005 09:16:54 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0135_01C5980C.16EEDEB0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1506 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1506 This is a multi-part message in MIME format. ------=_NextPart_000_0135_01C5980C.16EEDEB0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable "So....Take off and climb might indeed see a difference from OAT of = under 100F, but actual induction air temps of 150F to 175F. Is that = bad? Oh, I forgot the impact of passing thru the oil sump and then = hitting the hot cylinders after being cooled by fuel = vaporization........ In any event, software from Sacramento Sky Ranch = calculated a loss of 5% - 8% power if the induction air temperature is = raised by these amounts. Scott Krueger AKA Grayhawk" Per General Motors Engine Test Code Book the power loss from 100F MAT = change is 10.7%. 150 to 175 deg increase would be closer to a 15% loss. Craig Berland ------=_NextPart_000_0135_01C5980C.16EEDEB0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

"So....Take off and climb might indeed see a difference = from=20 OAT of under 100F, but actual induction air temps of 150F to = 175F. Is=20 that bad? Oh, I forgot the impact of passing thru the oil sump and = then=20 hitting the hot cylinders after being cooled by fuel = vaporization........ =20 In any event, software from Sacramento Sky Ranch calculated a loss of 5% = - 8%=20 power if the induction air temperature is raised by these amounts. Scott = Krueger=20 AKA Grayhawk"

Per General Motors Engine Test Code Book the power loss from 100F = MAT=20 change is 10.7%. 150 to 175 deg increase would be closer to a 15%=20 loss.

Craig Berland

------=_NextPart_000_0135_01C5980C.16EEDEB0--