X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from sccmmhc91.asp.att.net ([204.127.203.211] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3883700 for flyrotary@lancaironline.net; Mon, 12 Oct 2009 18:53:20 -0400 Received-SPF: none receiver=logan.com; client-ip=204.127.203.211; envelope-from=btilley@mchsi.com DKIM-Signature: v=1; q=dns/txt; d=mchsi.com; s=dkim01; i=btilley@mchsi.com; a=rsa-sha256; c=relaxed/relaxed; t=1255388002; h=In-Reply-To:Message-Id:Date:Subject:To:From; bh= FKAIBvzFML7qcYTnEPYL8yfzAxWSjRZEbtp5YcN286s=; b=gx7Qbk+0ojbbSRZrK3O 0bJizUGLUfiednQhc7iFqdrgvPGw+tRe4/pZw4N5e6X9gHNlVUiRAJoWdHHGeRFeD/Q == Received: from sccqwbc17 (scommcenter17.asp.att.net[204.127.203.179]) by mchsi.com (sccmmhc91) with SMTP id <20091012225236m9100i7c2ne>; Mon, 12 Oct 2009 22:52:46 +0000 Received: from [74.248.105.14] by sccqwbc17; Mon, 12 Oct 2009 22:52:35 +0000 From: btilley@mchsi.com To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] intake manifold 13b 86 Date: Mon, 12 Oct 2009 22:52:35 +0000 Message-Id: <101220092252.4989.4AD3B333000336EF0000137D223245003003010CD2079C080C03BF970A0404079B0D@mchsi.com> In-Reply-To: X-Mailer: AT&T Message Center Version 1 (Mar 2 2009) X-Authenticated-Sender: YnRpbGxleUBtY2hzaS5jb20= Richard, My concern with not using the center ports would be not having the second injector per rotor. I you place two injectors per tube, in your plan, it might work since we aren't getting max RPM anyway. Bob Tilley Albany, Ga -------------- Original message ---------------------- From: "jrhopkins" > > has anyone used blocked off the center two apertures and used the front and rear > intake manifolds only? i do not understand the need for the center split intake > for aircraft use. thanks richard