X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=H+OlPNQi c=1 sm=1 tr=0 a=6pv3n8TYUZcop5NMwhDi7g==:117 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=xqWC_Br6kY4A:10 a=qxuwSOeifgoA:10 a=ZRMmsru8XDcA:10 a=kj9zAlcOel0A:10 a=MeAgGD-zjQ4A:10 a=S-6cUMxzKPmnG-XPcvsA:9 a=CjuIK1q_8ugA:10 From: "Jeff Whaley jwhaley@datacast.com" Received: from [40.107.72.80] (HELO NAM05-CO1-obe.outbound.protection.outlook.com) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 13197177 for flyrotary@lancaironline.net; Wed, 20 Nov 2019 09:32:55 -0500 Received-SPF: none receiver=logan.com; client-ip=40.107.72.80; envelope-from=jwhaley@datacast.com ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=UZz8upA3qeeZzGWeiCf6ezl3StDNBIqKSzzFDZ9x8G54aLMCA13TL70jg6rCApzXuzzLny+w8Hw5a3QmOxA/jRagu89qrQc1ybf74ze6kcpQ/oCot4i5vQI7eildCZXDoHWHUusQlmPa3Fmb+HoiLF1GrTUlaIBEalHESoZpQ0rdLj94bH50U8qL3p4YENUcw4jGrea53MQYkRs8sbzxZDbcG99cdSG06aIGmwfymW1rb7o44zMtnEYnkmsu3G/s6ZMFA6SwgnCzaNNOTzouSJVBLbUCkL7lns+64URfWOv7vtoiQpXLPV8LR71IdsB4tog8I5aeUtIfUbiOeMJRAA== ARC-Message-Signature: i=1; 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Wed, 20 Nov 2019 14:32:35 +0000 Received: from DM6PR18MB3114.namprd18.prod.outlook.com ([fe80::99e3:ece6:3e17:4c3b]) by DM6PR18MB3114.namprd18.prod.outlook.com ([fe80::99e3:ece6:3e17:4c3b%7]) with mapi id 15.20.2451.031; Wed, 20 Nov 2019 14:32:35 +0000 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: Mufflers Thread-Topic: [FlyRotary] Re: Mufflers Thread-Index: AQHVn69ZymaqP5xRyEiL+U4zGELi9A== Date: Wed, 20 Nov 2019 14:32:35 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=jwhaley@datacast.com; x-originating-ip: [209.87.232.162] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 8ab5ad11-dbf0-4a21-5b57-08d76dc67c71 x-ms-traffictypediagnostic: DM6PR18MB3130: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:1247; x-forefront-prvs: 02272225C5 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(136003)(396003)(366004)(39830400003)(376002)(346002)(199004)(189003)(6436002)(74316002)(305945005)(25786009)(88996005)(446003)(33656002)(14454004)(476003)(11346002)(64756008)(66556008)(486006)(66946007)(66476007)(66446008)(6916009)(186003)(508600001)(26005)(55016002)(7736002)(2906002)(7696005)(558084003)(8676002)(6116002)(81156014)(3846002)(66066001)(81166006)(52536014)(256004)(6506007)(9686003)(229853002)(8936002)(6246003)(5660300002)(316002)(102836004)(71200400001)(71190400001)(99286004)(86362001)(76176011);DIR:OUT;SFP:1101;SCL:1;SRVR:DM6PR18MB3130;H:DM6PR18MB3114.namprd18.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: datacast.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: vcpXh8JpiaGHQjmxEqaYxbP7UrHjikJdUd8mZqpwP+SDEYOKgIrCFHy0YSN0sXTPBERGOX8jQjOSvMjFDHYpLNmyEwhIuJfxeEaOUCtEyItH+CrIDjfeHnSY8JQmu+cFd+GZ8fySgi93Hq0GG1PvwQFdiHRM5DlLRFd2YrCcYAq/UF/1PdsseB+NKW15Q+5B9PXUowZ8PlhOdqCFxUhYMZ/K94sRlXjH+d5Ese47Yv749sORn4AO9lQxrb/+1yCwh2A6L1t9ATtCN5nZ3Q1Bi34CPGNlQR1tOiELW4gpc2AHLZeZGmiIs+vNNVs2YqvDA1cOjiaygIECpB4lIVwB6iRQWtQYiyppcD86YuflOL2aTHqqiV+zHpfKHB/gDEPECOnEXGUTEQ5QPDLaXiHFAGLVqCtBzM9AnWU5iJlPgC1rmft2i+dRSHpeQWioFO4I x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: datacast.com X-MS-Exchange-CrossTenant-Network-Message-Id: 8ab5ad11-dbf0-4a21-5b57-08d76dc67c71 X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Nov 2019 14:32:35.3761 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a07f70c7-0440-4b97-b25f-a93dca3f0980 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: kCcRRWW4axHQbxwAI6gDaaFW0ZrZinBiBRtiFIzO+QFrBeGErygM2k+xdxaIb4unK0PTXDJdDBxsFvC2LSnVeA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR18MB3130 I have a belly-slung Aero Turbine 2525 connected to a long 2.5" exhaust pip= e, fish-mouthed with bottom perforations. It is by no means quiet but the exit is now behind the pilot - the fish-mou= th removed more bark from the exhaust than the Aero Turbine did. Jeff=20