X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.120] verified) by logan.com (CommuniGate Pro SMTP 5.4.5) with ESMTP id 5544892 for flyrotary@lancaironline.net; Wed, 16 May 2012 08:04:25 -0400 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.120; envelope-from=eanderson@carolina.rr.com Return-Path: X-Authority-Analysis: v=2.0 cv=Hvb06jvS c=1 sm=0 a=g3L/TDsr+eNLfIieSKfGkw==:17 a=AHkS0RJitIMA:10 a=IqlEP0MhL1wA:10 a=05ChyHeVI94A:10 a=arxwEM4EAAAA:8 a=r1ClD_H3AAAA:8 a=3oc9M9_CAAAA:8 a=pedpZTtsAAAA:8 a=Ia-xEzejAAAA:8 a=43enp80zBQgI6oPkSa8A:9 a=QEXdDO2ut3YA:10 a=U8Ie8EnqySEA:10 a=eJojReuL3h0A:10 a=EzXvWhQp4_cA:10 a=L2gNdSdXNlfv9lNG:21 a=NiA_PboLtQH2DwXy:21 a=S72-x-wBwZnib350q1AA:9 a=rd8Jkhr-z-2hF8OCHk8A:7 a=_W_S_7VecoQA:10 a=J-dd2aTA9R_3DDdN:21 a=T0jG_L39bRVAQJy5:21 a=g3L/TDsr+eNLfIieSKfGkw==:117 X-Cloudmark-Score: 0 X-Originating-IP: 174.110.170.10 Received: from [174.110.170.10] ([174.110.170.10:62590] helo=EdPC) by cdptpa-oedge04.mail.rr.com (envelope-from ) (ecelerity 2.2.3.46 r()) with ESMTP id 6C/53-16302-6A793BF4; Wed, 16 May 2012 12:03:50 +0000 Message-ID: From: "Ed Anderson" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: High EGTs Date: Wed, 16 May 2012 08:03:50 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0055_01CD333A.6D792CB0" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8117.416 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8117.416 This is a multi-part message in MIME format. ------=_NextPart_000_0055_01CD333A.6D792CB0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Brian, I have flown with two Hushpower mufflers for the past 8 years. So far = no restrictions, although the non-metallic sound deadener has long = departed. Also by having one muffler per exhaust, it may suffer less of = a beating. YMMV Ed Edward L. Anderson Anderson Electronic Enterprises LLC 305 Reefton Road Weddington, NC 28104 http://www.andersonee.com http://www.eicommander.com From: bktrub@aol.com=20 Sent: Wednesday, May 16, 2012 12:25 AM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: High EGTs And I am running a Hushpower, I run a bore scope up it today and the = exit cone looked completely intact. No way to check out the entrance = cone without taking the exhuast system apart, which is possible but a = PITA. Is a Hushpower considered restrictive? Brian Trubee -----Original Message----- From: Bill Bradburry To: Rotary motors in aircraft Sent: Tue, May 15, 2012 8:38 pm Subject: [FlyRotary] Re: High EGTs Mark, Now you have gotten me concerned! I changed the muffler and that = didn=E2=80=99t seem to have any effect on the EGTs, so I don=E2=80=99t = think that is the cause, but I don=E2=80=99t want to damage any orings. = What were the temps you were seeing when the orings were damaged? Bill -------------------------------------------------------------------------= ------- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On = Behalf Of Mark Steitle Sent: Tuesday, May 15, 2012 10:18 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: High EGTs Brian,=20 I had high EGT's at one time. Turns out it was due to an overly = restrictive muffler. The high EGT's damaged the o-rings resulting in an = engine overhaul. Could this possibly be at the root of your high EGT = readings? Mark S. On Tue, May 15, 2012 at 8:51 PM, wrote: My engine is now running just the way it should, temps were 180 or lower = on a 75 degree day, but my EGTs have always been high, really high- = above 1800 almost all the time. I think it may be a calibration issue. = My egt sensors are about 3 inches downstream of the exhaust ports, and I = am using Tracy's EM2, calibrated at the stock settings. When the engine = is stone cold, the egt's read about 230 degrees, which I assume is = normal because the sensors are meant to operate at a much higher = temperature. Any thoughts? Brian Trubee ------=_NextPart_000_0055_01CD333A.6D792CB0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Brian,
 
I have flown with two Hushpower mufflers for the = past 8=20 years.  So far no restrictions, although the non-metallic sound = deadener=20 has long departed.  Also by having one muffler per exhaust, it may = suffer=20 less of a beating.
 
YMMV
 
Ed
 
Edward L. Anderson
Anderson Electronic = Enterprises=20 LLC
305 Reefton Road
Weddington, NC 28104
http://www.andersonee.com
http://www.eicommander.com

From: bktrub@aol.com
Sent: Wednesday, May 16, 2012 12:25 AM
Subject: [FlyRotary] Re: High EGTs

And I am running a Hushpower, I run a bore scope up it today and = the exit=20 cone looked completely intact. No way to check out the entrance cone = without=20 taking the exhuast  system apart, which is possible but a PITA. Is = a=20 Hushpower considered restrictive?
 
Brian Trubee


-----Original=20 Message-----
From: Bill Bradburry <bbradburry@bellsouth.net>=
To:=20 Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: = Tue, May=20 15, 2012 8:38 pm
Subject: [FlyRotary] Re: High EGTs

Mark,
Now you have = gotten me=20 concerned!  I changed the muffler and that didn=E2=80=99t seem to = have any effect=20 on the EGTs, so I don=E2=80=99t think that is the cause, but I = don=E2=80=99t want to damage any=20 orings.  What were the temps you were seeing when the orings were=20 damaged?
 
Bill
 
From: Rotary=20 motors in aircraft [mailto:flyrotary@lancaironli= ne.net]=20 On Behalf Of Mark=20 Steitle
Sent: = Tuesday, May 15,=20 2012 10:18 PM
To: = Rotary motors=20 in aircraft
Subject:=20 [FlyRotary] Re: High EGTs
 
Brian, 
 
I had high EGT's at one time.  Turns out = it was due=20 to an overly restrictive muffler.  The high EGT's damaged the = o-rings=20 resulting in an engine overhaul.  Could this possibly be at the = root of=20 your high EGT readings?
 
Mark = S.
On Tue, May 15, 2012 at 8:51 PM, <bktrub@aol.com> = wrote:
My engine is = now=20 running just the way it should, temps were 180 or lower on a 75 degree = day, but=20 my EGTs have always been high, really high- above 1800 almost all the = time. I=20 think it may be a calibration issue. My egt sensors are about 3 inches=20 downstream of the exhaust ports, and I am using Tracy's EM2, calibrated = at the=20 stock settings. When the engine is stone cold, the egt's read about 230 = degrees,=20 which I assume is normal because the sensors are meant to operate at a = much=20 higher temperature. Any thoughts?
 
Brian=20 Trubee
 
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