X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml Date: Mon, 11 Sep 2006 14:17:20 -0400 Message-ID: X-Original-Return-Path: Received: from smtp107.sbc.mail.mud.yahoo.com ([68.142.198.206] verified) by logan.com (CommuniGate Pro SMTP 5.1c.3) with SMTP id 1374502 for lml@lancaironline.net; Mon, 11 Sep 2006 13:48:32 -0400 Received-SPF: none receiver=logan.com; client-ip=68.142.198.206; envelope-from=elippse@sbcglobal.net Received: (qmail 60716 invoked from network); 11 Sep 2006 17:47:38 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=sbcglobal.net; h=Received:Message-ID:From:To:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=0UoCvWbKCn1vHNlc9E0NXw+KDKRnvlyHeKK4lVx8CQyG6RvbW2cNW4ldB9Br/FFq73jATH74jp83aFC29gYWAcGGAp90no2X70Eo1O4mfc+1bMnBwf0LKorVEPASU2BfCFvAKCw7tTbqovEvAz4FA12t7vN4C66plUGiSqae72k= ; Received: from unknown (HELO Computerroom) (elippse@sbcglobal.net@75.15.127.216 with login) by smtp107.sbc.mail.mud.yahoo.com with SMTP; 11 Sep 2006 17:47:37 -0000 X-Original-Message-ID: <000901c6d5ca$613cc340$d87f0f4b@Computerroom> From: "Paul Lipps" X-Original-To: "Marv Kaye" Subject: Do Dee Dew! X-Original-Date: Mon, 11 Sep 2006 10:47:39 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0006_01C6D58F.B3903590" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2869 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2962 This is a multi-part message in MIME format. ------=_NextPart_000_0006_01C6D58F.B3903590 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable C.F. Taylor's "The Internal-Combustion Engine in Theory and Practice", = Second Edition, Vol. 1, Has charts showing moisture content of the air, = Fig. 3-1, p. 41, and Fig. 12-6, p. 431, "Effect of humidity on indicated = performance: carbureted spark-ignition engine with constant inlet = pressure and temperature, constant spark timing, constant carburetor = adjustment, no detonation." (Italics theirs). At h=3D0.06 lbm vapor/lbm = air, which would be off-the-chart kind of humidity, the loss in = performance is about 5.6% at a very rich A-F mixture, 9:1, about 3.7% at = best power, 12.7:1, and 1% for a lean 15.9:1. That would give 1.8%, = 1.5%, and 1%, loss of speed, respectively. At 70 deg. 60% humidity, = h=3D.01, power loss is about 0.5% or less. ------=_NextPart_000_0006_01C6D58F.B3903590 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
C.F. Taylor's "The Internal-Combustion Engine in = Theory=20 and Practice", Second Edition, Vol. 1, Has charts showing moisture = content=20 of the air, Fig. 3-1, p. 41, and Fig. 12-6, p. 431, "Effect of = humidity on=20 indicated performance: carbureted spark-ignition engine with constant = inlet=20 pressure and temperature, constant spark timing, constant carburetor = adjustment,=20 no detonation." (Italics theirs). At h=3D0.06 lbm = vapor/lbm air,=20 which would be off-the-chart kind of humidity, the loss in performance = is about=20 5.6% at a very rich A-F mixture, 9:1, about 3.7% at best = power,=20 12.7:1, and 1% for a lean 15.9:1. That would give 1.8%, 1.5%, and 1%, = loss of=20 speed, respectively. At 70 deg. 60% humidity, h=3D.01, power loss is = about 0.5% or=20 less.
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