X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 22 Jan 2008 10:41:43 -0500 Message-ID: X-Original-Return-Path: Received: from mta2.srv.hcvlny.cv.net ([167.206.4.197] verified) by logan.com (CommuniGate Pro SMTP 5.2c4) with ESMTP id 2682099 for lml@lancaironline.net; Mon, 21 Jan 2008 12:32:39 -0500 Received-SPF: none receiver=logan.com; client-ip=167.206.4.197; envelope-from=Adam@ValidationPartners.com Received: from VpiWorkstation1 (ool-4571b4ad.dyn.optonline.net [69.113.180.173]) by mta2.srv.hcvlny.cv.net (Sun Java System Messaging Server 6.2-8.04 (built Feb 28 2007)) with ESMTP id <0JV000JQ08PBZRP0@mta2.srv.hcvlny.cv.net> for lml@lancaironline.net; Mon, 21 Jan 2008 12:31:59 -0500 (EST) X-Original-Date: Mon, 21 Jan 2008 12:32:52 -0500 From: Adam Molny Subject: RE: Pressurized Injectors In-reply-to: X-Original-To: lml@lancaironline.net X-Original-Cc: 'Douglas Brunner' X-Original-Message-id: <0JV000JQ18PBZRP0@mta2.srv.hcvlny.cv.net> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 X-Mailer: Microsoft Office Outlook, Build 11.0.6353 Content-type: multipart/alternative; boundary="Boundary_(ID_ltDW+BAO9QOHYbFqL1YHhg)" Thread-index: AchcPIz2xkgxwSBZQeqPCFTzeUAjUwAFoRFw This is a multi-part message in MIME format. --Boundary_(ID_ltDW+BAO9QOHYbFqL1YHhg) Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7BIT >Without Ram Air (MAP = 15.2) the engine ran smoothly down to about 60 deg LOP or 8.8 gal/hr >With Ram Air (MAP = 16.3) the engine only ran smoothly to Peak or 11.2 gal/hr Doug - Assuming RPM is the same, your engine is making more power at 16.3 MAP than at 15.2. Therefore, it makes sense that you would burn more fuel. Try reducing throttle to 15.2 with ram air engaged, and see if the fuel burn is the same as 15.2 without ram air. -Adam Molny --Boundary_(ID_ltDW+BAO9QOHYbFqL1YHhg) Content-type: text/html; charset=us-ascii Content-transfer-encoding: 7BIT

>Without Ram Air (MAP = 15.2) the engine ran smoothly down to about 60 deg LOP or 8.8 gal/hr

>With Ram Air (MAP = 16.3) the engine only ran smoothly to Peak or 11.2 gal/hr

 

Doug –

 

Assuming RPM is the same, your engine is making more power at 16.3 MAP than at 15.2. Therefore, it makes sense that you would burn more fuel. Try reducing throttle to 15.2 with ram air engaged, and see if the fuel burn is the same as 15.2 without ram air.

 

-Adam Molny

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