X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from wproxy.gmail.com ([64.233.184.198] verified) by logan.com (CommuniGate Pro SMTP 5.0.6) with ESMTP id 919874 for flyrotary@lancaironline.net; Tue, 10 Jan 2006 00:56:59 -0500 Received-SPF: pass receiver=logan.com; client-ip=64.233.184.198; envelope-from=russell.duffy@gmail.com Received: by wproxy.gmail.com with SMTP id 69so3327783wra for ; Mon, 09 Jan 2006 21:56:14 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:from:to:subject:date:message-id:mime-version:content-type:x-priority:x-msmail-priority:x-mailer:x-mimeole:importance:in-reply-to; b=hAgM5f6c53ZUe5uL8gPv1TrTbT/R/F5+kwWyszRHJutdRJVm5WfiHbLsoXAyZ1/Q3e/PjiiuRZg6Ja1i+I8so1uCPrf+yO/oKaKd2HtGSZM06bhRLNk1yQu4cfFqH1Sa8K/UoMLsboloyDp8i+lKvU8cMpUOr/42CGNi9okuFoY= Received: by 10.54.76.4 with SMTP id y4mr9093834wra; Mon, 09 Jan 2006 21:56:13 -0800 (PST) Return-Path: Received: from rd ( [65.6.194.9]) by mx.gmail.com with ESMTP id 64sm21785064wra.2006.01.09.21.56.13; Mon, 09 Jan 2006 21:56:13 -0800 (PST) From: "Russell Duffy" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Runaway Turbos Date: Mon, 9 Jan 2006 23:56:13 -0600 Message-ID: <002b01c615aa$90594170$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_002C_01C61578.45BED170" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_002C_01C61578.45BED170 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable After 30" of MP pressure the turbo sometimes goes to 40-46", but = suddenly the MAP jumps to 50-60. It happened today also? =20 Another thing my engine is running very lean at high MAP with the = mixture knob all the way rich? My exhaust inside changed from being wet black = to almost shiny clean. =20 =20 Hi Buly, =20 Let me be the first to point out that the best way to blow your engine = is to run lean under boost. You should never run this lean under boost, particularly if you're having uncommanded jumps to high boost. Danger, danger.... =20 If mode 1, or mode 9 can't get you the fuel you need at higher map, then yes, you'll need to raise mode 3, which will add fuel across the whole = MAP range. =20 =20 As for the email delay, I noticed that you and John have both had some delays. Gmail is working fine, but it's annoying to have to resort to = such a solution. =20 =20 Cheers, Rusty=20 =20 =20 ------=_NextPart_000_002C_01C61578.45BED170 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message After=20 30" of MP pressure the turbo sometimes goes to 40-46", but suddenly the = MAP=20 jumps to 50-60. It happened today also? =20
Another thing my engine is running very lean at high MAP with the = mixture=20 knob all the way  rich? My exhaust inside changed from being wet = black to=20 almost shiny clean.  
 
Hi=20 Buly,
 
Let me be the=20 first to point out that the best way to blow your = engine is to=20 run lean under boost.  You should never run this lean under = boost,=20 particularly if you're having uncommanded jumps to high boost.  = Danger,=20 danger....
 
If mode 1, or=20 mode 9 can't get you the fuel you need at higher map, then yes, you'll = need to=20 raise mode 3, which will add fuel across the whole MAP range. =20
 
As for the=20 email delay, I noticed that you and John have both had some=20 delays.  Gmail is working fine, but it's annoying to have to resort = to such=20 a solution.  
 
Cheers,
Rusty=20
 
 
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