X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from nz-out-0506.google.com ([64.233.162.230] verified) by logan.com (CommuniGate Pro SMTP 5.1.11) with ESMTP id 2222612 for flyrotary@lancaironline.net; Tue, 31 Jul 2007 12:23:59 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.233.162.230; envelope-from=rwstracy@gmail.com Received: by nz-out-0506.google.com with SMTP id n29so1018378nzf for ; Tue, 31 Jul 2007 09:23:21 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:sender:to:subject:in-reply-to:mime-version:content-type:references:x-google-sender-auth; b=X1l1k7fq3mbK1PLhjFjaELorQvwZ3MTveD5Z1fnmI1IWmcOo60Db51fwirvSXRZ0NoghxdlCMdQKdVlLo2F8cLF5iJXAFZbUxmzIoGrlwC3mt7XaPQdll6Ftqf9oWB6KeLP54KYMBDMP+5OzSoChSHkwh+ktKAhev+E2lwVz13o= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:sender:to:subject:in-reply-to:mime-version:content-type:references:x-google-sender-auth; b=MjKDHBsLGeAfogUNe0FYjzrCxwreNO/yUlwWHgm4CbVJiziTBUkkHLQGFahNN12N0YkMdvrE4U64QYj75C818cISNtl2BnPHbbRSxaGfAMneXAH/uDL876WiQ4PIaMuYtr6M+NhZd7pz/+PNREtco7hD4HTNvcRhMosklaP+x5w= Received: by 10.143.34.11 with SMTP id m11mr275386wfj.1185899000628; Tue, 31 Jul 2007 09:23:20 -0700 (PDT) Received: by 10.142.115.16 with HTTP; Tue, 31 Jul 2007 09:23:20 -0700 (PDT) Message-ID: <1b4b137c0707310923r449fd243g845cb36dc60285bf@mail.gmail.com> Date: Tue, 31 Jul 2007 12:23:20 -0400 From: "Tracy Crook" Sender: rwstracy@gmail.com To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Diffusers In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_49981_16707659.1185899000595" References: X-Google-Sender-Auth: 195f471269f79542 ------=_Part_49981_16707659.1185899000595 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline They are Important at idle and low throttle, especially when trying to meet emissions rules. I do use the primary diffusers but not on the secondarys which come on line at mid-throttle settings. Exact point where secondaries come on line is user adjustable in Mode 7 on the EC2. I set mine at around 19" MAP. Tracy On 7/30/07, Joe Ewen wrote: > > What is the conventional wisdom regarding the use of difusers (injector.) > > Joe > ------=_Part_49981_16707659.1185899000595 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline
They are Important at idle and low throttle, especially when trying to meet emissions rules.   I do use the primary diffusers but not on the secondarys which come on line at mid-throttle settings.  Exact point where secondaries come on line is user adjustable in Mode 7 on the EC2.  I set mine at around 19" MAP.
 
Tracy

 
On 7/30/07, Joe Ewen <jewen@comporium.net> wrote:
What is the conventional wisdom regarding the use of difusers (injector.)
 
Joe

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