X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao103.cox.net ([68.230.241.43] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3882930 for flyrotary@lancaironline.net; Mon, 12 Oct 2009 01:32:54 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.43; envelope-from=alventures@cox.net Received: from fed1rmimpo03.cox.net ([70.169.32.75]) by fed1rmmtao103.cox.net (InterMail vM.8.00.01.00 201-2244-105-20090324) with ESMTP id <20091012053219.TRYR11920.fed1rmmtao103.cox.net@fed1rmimpo03.cox.net> for ; Mon, 12 Oct 2009 01:32:19 -0400 Received: from BigAl ([72.192.133.78]) by fed1rmimpo03.cox.net with bizsmtp id rhYJ1c0081hf1Cg04hYJYf; Mon, 12 Oct 2009 01:32:18 -0400 X-VR-Score: 0.00 X-Authority-Analysis: v=1.0 c=1 a=0iCzXv5dXLIA:10 a=8lVl0f4EK9AhIarn_DQA:9 a=fDo6PyNuHfMzESVkaSo6Cfy7fGYA:4 a=XCj4e7mAR6aGrvCLfNYA:9 a=Ga5SOcI7K-JVuKXNJQYA:7 a=zJX-Nk95HwiB2_X99n-v2miTsmQA:4 X-CM-Score: 0.00 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: where's the missing power? Date: Sun, 11 Oct 2009 22:32:46 -0800 Message-ID: <9882007EFF1C436983D1FC6A6C526A6F@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0002_01CA4AC2.C18AA440" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6838 Importance: Normal Thread-Index: AcpKj+2RwAZ6zKr2S4mwSHvCzNvs7QAdT2Mg In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 This is a multi-part message in MIME format. ------=_NextPart_000_0002_01CA4AC2.C18AA440 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I think your manifold pressure at full stop should read the same as your altimeter if it is set to the field elevation. Bill=20 Bill; No. The altimeter setting is the air pressure at sea level - for = whatever the conditions are at your elevation. If you are flying at 18000 ft, = surely the air pressure would not be 29.92. =20 Al ------=_NextPart_000_0002_01CA4AC2.C18AA440 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I think your manifold pressure at full stop = should read the same as your altimeter if it is set to the field elevation.

Bill

Bill;

No. The altimeter setting = is the air pressure at sea level – for whatever the conditions are at your elevation. If you are flying at 18000 ft, surely the air pressure = would not be 29.92.

Al

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