X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost04.isp.att.net ([204.127.217.104] verified) by logan.com (CommuniGate Pro SMTP 5.2.4) with ESMTP id 2994181 for flyrotary@lancaironline.net; Fri, 27 Jun 2008 11:54:23 -0400 Received-SPF: pass receiver=logan.com; client-ip=204.127.217.104; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-146-127-233.mco.bellsouth.net[72.146.127.233]) by isp.att.net (frfwmhc04) with SMTP id <20080627155342H04009bc09e>; Fri, 27 Jun 2008 15:53:42 +0000 X-Originating-IP: [72.146.127.233] From: "Bill Bradburry" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: Running lean of peak Date: Fri, 27 Jun 2008 11:53:44 -0400 Message-ID: <049B8DFA6687473AAA6CEEE2F5EA3494@Desktop> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000F_01C8D84C.74256120" X-Mailer: Microsoft Office Outlook 11 Thread-Index: AcjYYD6sxb/sVfPRRWakMVtlJ86zcwADZ0ag X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18000 This is a multi-part message in MIME format. ------=_NextPart_000_000F_01C8D84C.74256120 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Al, I notice that is a non-resistor plug. Do you get any radio interference? Bill B _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Al Gietzen Sent: Friday, June 27, 2008 11:15 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Running lean of peak What plugs are you using currently Al ??..............Might be worth a new set of plugs and a test flight before your trip to see if you get the same symptoms when leaning. I'm using NGK B9EGV. It's easy enough to put in a new set, although I normally order them on-line since they are pretty spendy at the local store - if they have them. I don't think the plugs are the issue; I think Dave's point about some unevenness in the mixture between rotors is the likely culprit. It will be easy to see when I get flying - which may not be until I leave on the trip. I'm not too concerned since I can get over 20 mpg at 200 mph with EGTs below 1700F. Al ------=_NextPart_000_000F_01C8D84C.74256120 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Al,

I notice that is a non-resistor plug.  Do you get any radio interference?

 

Bill B 

 

From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Al Gietzen
Sent: Friday, June 27, = 2008 11:15 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = Running lean of peak

  = What plugs are you using currently Al ??..............Might be worth a new = set

of plugs and a test flight before your trip = to see if you get the same symptoms = when leaning.

 

I’m using NGK B9EGV.  It’s easy enough to put in a new set, although I normally order = them on-line since they are pretty spendy at the local store – if they = have them.  I don’t think the plugs are the issue; I think = Dave’s point about some unevenness in the mixture between rotors is the likely culprit.  It will be easy to see when I get flying – which = may not be until I leave on the trip.  I’m not too concerned since I = can get over 20 mpg at 200 mph with EGTs below = 1700F.

 

Al

------=_NextPart_000_000F_01C8D84C.74256120--