X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [66.219.56.245] (HELO mail.qnsi.net) by logan.com (CommuniGate Pro SMTP 5.4c2) with ESMTP id 4912866 for flyrotary@lancaironline.net; Sun, 20 Mar 2011 17:58:07 -0400 Received-SPF: none receiver=logan.com; client-ip=66.219.56.245; envelope-from=bhughes@qnsi.net Return-Receipt-To: "Bobby J. Hughes" Subject: RE: [FlyRotary] Re: Forced Landing. MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01CBE752.F6309B4A" Date: Sun, 20 Mar 2011 17:03:00 -0600 Disposition-Notification-To: "Bobby J. Hughes" Content-class: urn:content-classes:message Message-ID: <74120FDE88CAFE4DBDA8814BCE20A3F32A991F@qnsi-mail.qnsi.net> X-MS-Has-Attach: X-MS-TNEF-Correlator: thread-topic: [FlyRotary] Re: Forced Landing. X-MimeOLE: Produced By Microsoft Exchange V6.5 Thread-Index: AcvnTnmW4BOjbzKjRgW+g7u0Cfh9zgAAr1aA References: From: "Bobby J. Hughes" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01CBE752.F6309B4A Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable It's supercharged. My EGT's never get over 1540F. Most of the time they run in the 1400's. I am also not 100% convinced the muffler was to blame. But it seems to fit the symptoms. I can't confirm the muffler was blocked after landing while trying to taxi. One theory is the exhaust pressure was enough to keep all the little pieces in place until after shutdown. Then towing the plane shook everything loose. Wonder if I could talk Mark S. into sticking a banana in the tail pipe on a full power ground run to duplicate the problem? This is my second HP-2 muffler in about 100 hours of engine time. It may have 25 hours of flight time. The first one was inside the cowl and angled down and back. It lost all the mesh and cone material. The angle may have helped some of the loose material exit the muffler. But it's all speculation.=20 =20 Bobby =20 ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Bryan Winberry Sent: Sunday, March 20, 2011 3:25 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Forced Landing.=20 =20 I believe he is supercharged, not turboed. BW =20 ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Bill Bradburry Sent: Sunday, March 20, 2011 5:11 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Forced Landing.=20 =20 Bobby, That is an excellent job of both flying and troubleshooting to discover the cause of the problem. I am wondering why you have a muffler if you have a turbo? =20 My Hushpower is welded in and up inside the cowl. I would not be able to see inside if or remove or replace it with the current setup. This incident has really made me start to think about the muffler.. Thanks for the great report! =20 Bill B =20 ________________________________ =20 ------_=_NextPart_001_01CBE752.F6309B4A Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

It’s supercharged. My = EGT’s never get over 1540F. Most of the time they run in the 1400’s. I = am also not 100% convinced the muffler was to blame. But it seems to fit the = symptoms. I can’t confirm the muffler was blocked after landing while trying = to taxi. One theory is the exhaust pressure was enough to keep all the = little pieces in place until after shutdown. Then towing the plane shook = everything loose. Wonder if I could talk Mark S. into sticking a banana in the tail = pipe on a full power ground run to duplicate the problem? This is my second = HP-2 muffler in about 100 hours of engine time. It may have 25 hours of = flight time. The first one was inside the cowl and angled down and back. It lost all = the mesh and cone material. The angle may have helped some of the loose = material exit the muffler. But it’s all speculation. =

 

Bobby

 

=

From: = Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On Behalf Of Bryan = Winberry
Sent: Sunday, March 20, = 2011 3:25 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = Forced Landing.

 

I believe he is supercharged, not = turboed.

BW

 

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Bill Bradburry
Sent: Sunday, March 20, = 2011 5:11 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = Forced Landing.

 

Bobby,

That is an excellent job of both = flying and troubleshooting to discover the cause of the problem.  I am = wondering why you have a muffler if you have a turbo?

 

My Hushpower is welded in and up = inside the cowl.  I would not be able to see inside if or remove or = replace it with the current setup.  This incident has really made me start to = think about the muffler..  Thanks for the great = report!

 

Bill B

 

 

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