X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost05.isp.att.net ([207.115.11.55] verified) by logan.com (CommuniGate Pro SMTP 5.4.0) with ESMTP id 5046876 for flyrotary@lancaironline.net; Sat, 09 Jul 2011 10:17:30 -0400 Received-SPF: none receiver=logan.com; client-ip=207.115.11.55; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-98-85-108-10.mco.bellsouth.net[98.85.108.10]) by isp.att.net (frfwmhc05) with SMTP id <20110709141655H05001oq1ge>; Sat, 9 Jul 2011 14:16:55 +0000 X-Originating-IP: [98.85.108.10] From: "Bill Bradburry" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: Noise in headset when I turn the alternator on Date: Sat, 9 Jul 2011 10:16:58 -0400 Message-ID: <5CC283E7DC544E01B0F38D0E02109E31@Desktop> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0000_01CC3E21.568C2610" X-Mailer: Microsoft Office Outlook 11 Thread-Index: Acw9zs90UL9rsa8oSO+jORiEQ6TBBAAc22tA X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18049 This is a multi-part message in MIME format. ------=_NextPart_000_0000_01CC3E21.568C2610 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit This is not a big problem since I can not hear the hum when in flight, but I thought someone might be able to tell me how to stop it. I have the Renesis and I am using the stock capacitor that is attached to the engine. When I turn on the alternator, there is a slight buzzing hum that appears in the headset and the frequency goes up and down with the engine. It is pretty obviously the alternator I think. Does anyone have any suggestions? Bill B ------=_NextPart_000_0000_01CC3E21.568C2610 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

This is not a big problem since I = can not hear the hum when in flight, but I thought someone might be able to tell = me how to stop it. I have the Renesis and I am using the stock capacitor = that is attached to the engine. When I turn on the alternator, there is a = slight buzzing hum that appears in the headset and the frequency goes up and = down with the engine. It is pretty obviously the alternator I = think.

Does anyone have any = suggestions?

Bill B

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