X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=F7spiZpN c=1 sm=1 tr=0 a=+H6VbWQosEE/5Dlwr1vLSg==:117 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=xqWC_Br6kY4A:10 a=qxuwSOeifgoA:10 a=ZRMmsru8XDcA:10 a=kj9zAlcOel0A:10 a=MeAgGD-zjQ4A:10 a=4EQPlQZiOLZ5ZClzxqUA:9 a=CjuIK1q_8ugA:10 From: "Jeff Whaley jwhaley@datacast.com" Received: from [40.107.69.70] (HELO NAM04-CO1-obe.outbound.protection.outlook.com) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 13203309 for flyrotary@lancaironline.net; Thu, 21 Nov 2019 13:13:58 -0500 Received-SPF: none receiver=logan.com; client-ip=40.107.69.70; envelope-from=jwhaley@datacast.com ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=mO8Q26BIwzmM4x3b4Ma99h53y/AqDG6EHVBp+itVy2436nF6NJbPMx8uaBUqnvwmUvIL5c5f/3hLGxpcdJf8DLjdURmcjdcDYYQuHNJINWMvapR5IEJsuk4+C7vZG9Eb6H+ahxa8ZZmfRpXbZc09GLKgGZG4LOnyo0tfqabo3MvZmA9aDvcgfn53HEhYOnqGiGyIqs9XnyY9EYNgQozreG0HDVHGHENd8kN6aqlUfenSVno86Py3iic3rQmF3PHll/s37fQPZe7DrsPPpF4jL2li0OlAYB0PUfksRAg2w16qvOaq7op5n8fCMrJSLizENjjIMBdxm2y6FuYvp3hmig== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=NTkAhBGHM/CfQSyqkxiBvafqjvnxU2f/KQvwqpnKnzc=; b=dy+YKcqS7rahiv/eUnFPevp908fEbCTpKUl/Yyym/QSa3xgPCgQPcAmzv3sQjvfAA0fuiKinCXpcqrS1FFeZum2sREhZzOBZ+ZYh4FtfbkaZrJNhZI7OnSAlD83tfHsu7BhMhov8+sXcCOT9cTDEZM+Nn8f4iQrvc5tD/6c3TpzCtQDp/SNgpvyD1UMRP8GWMV6yiaVQUVFTMsHEdeH1nfC0ffwS/YJKhHcOG7ooSLkZxM5WmMIkpNoifU1k8lqo4ob8PPJUckxuerc/s7kNCKX6lvTx5loH19FrZyaLrW+ZgTjVeFQrgTw7sNQZy/T6LkOWRPkSiI9I/40ry+pJmw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=datacast.com; dmarc=pass action=none header.from=datacast.com; dkim=pass header.d=datacast.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=IDCO365.onmicrosoft.com; s=selector2-IDCO365-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=NTkAhBGHM/CfQSyqkxiBvafqjvnxU2f/KQvwqpnKnzc=; b=WMMdZL0mXXt1n7oBVs8LC5d9spUWO92TrzyKtKXNiJq/RAs0/q0IkWyNPy7TqxxuCy5Rul3qIxBtZ9lfHGQDmn/pa9ARk6dciLiSU9pgO3b4vNikOTQwqNjz9+wPXC5MSPes332f/bR1CCCFtmCHpoviBLEC+66eh97rPU8jGFI= Received: from DM6PR18MB3114.namprd18.prod.outlook.com (10.255.76.87) by DM6PR18MB2457.namprd18.prod.outlook.com (20.179.104.212) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2474.16; Thu, 21 Nov 2019 18:13:39 +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 15.20.2474.019; Thu, 21 Nov 2019 18:13:39 +0000 To: Rotary motors in aircraft Subject: RE: [FlyRotary] Re: Mufflers Thread-Topic: [FlyRotary] Re: Mufflers Thread-Index: AQHVn69ZymaqP5xRyEiL+U4zGELi9KeV7VjA Date: Thu, 21 Nov 2019 18:13:38 +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: 185594b9-6fa2-4cd0-df96-08d76eae8885 x-ms-traffictypediagnostic: DM6PR18MB2457: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8882; x-forefront-prvs: 0228DDDDD7 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(366004)(376002)(346002)(136003)(39830400003)(396003)(199004)(189003)(26005)(6436002)(446003)(186003)(305945005)(11346002)(6506007)(2906002)(5660300002)(71190400001)(71200400001)(99286004)(256004)(7736002)(6116002)(4744005)(3846002)(25786009)(316002)(508600001)(229853002)(81156014)(8676002)(88996005)(5024004)(74316002)(33656002)(8936002)(81166006)(6246003)(9686003)(55016002)(14454004)(76176011)(86362001)(7696005)(66946007)(6916009)(66066001)(66446008)(102836004)(52536014)(64756008)(66476007)(66556008);DIR:OUT;SFP:1101;SCL:1;SRVR:DM6PR18MB2457;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: X8cvMeBu9hWMGEkROXueldlp2ZuVsRGg7VPgIkE20lVQvgAyQjRCrXf2lGtC6XUg18MgrudvVT5EhvZGS9nOdwmLt/JBOkJcOOWF9365rQGX0IIa7BNZQWHEv3oWMaEwWZWFcjF1Xd93e1VkM1fQ+ETWF16mP35sCsnnM428UKYEQJFAjyTk9VdlVw/083XOaQoFkWHueCM0WE6ebAJsAfK6XlT3C6wUcNcRrct7iqzJMpJXLA7UvBDqq2qoiClMigA5aIm9SrskZ3aE4vnfdoioryCnjFM5NpqCXyk9PBwOZLizcUosGAn5txQjP5CYt/RkGj462oY6Hwjcnpzbp+u7zrVZ9kQdUlERlv4XHrKeTiS1DTjQJz3S7W/973HQM/IVlR8Pd+28vyVDrCvsOptjM2mp15CkOYxY1NcxBaNZ1zCb4eQIlJKBEyZW4f2k 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: 185594b9-6fa2-4cd0-df96-08d76eae8885 X-MS-Exchange-CrossTenant-originalarrivaltime: 21 Nov 2019 18:13:38.8105 (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: +HIFgYZAuQhQOlEodN+HBDRgpc5OywhBsAD/4tkUNvqBSxxjLjjawl9l1MtIwC1aYyAWYLrYNoMwU1v19mhG1g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR18MB2457 Not Tracy, but FWIW I have about 100 hrs on my 13B with an Aero Turbine 252= 5 muffler attached. It is holding up well, is better than nothing but don'= t expect it to create a quiet exhaust; put it this way, I extended my exhau= st pipe and Fish-tailed or whale-tailed if you like (with perforations) as = it is compressed on the horizontal plane Vs the vertical to get further noi= se reduction. Jeff IIRC, Tracy's been flying one on the 20B powered RV-8 for a number of y= ears. That's what motivated me to purchase one, but it hasn't seen any exha= ust gas yet. Charlie Charlie,, Any idea how many hours Tracy has on his AeroTurbine 2525............= .? --=20 Kelly Troyer Dyke Delta_"Eventually" 13B_RD1C_EC2_EM2