X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=EuKsUhUA c=1 sm=1 tr=0 a=pclmDsHkpheh2ESL7sCqlg==:117 a=xycr6CVXJRVtFs4WRGOeRA==:17 a=reM5J-MqmosA:10 a=DAwyPP_o2Byb1YXLmDAA:9 a=Ia-xEzejAAAA:8 a=yBhBl6NxO11IdfBKVhAA:9 a=QEXdDO2ut3YA:10 a=yMhMjlubAAAA:8 a=SSmOFEACAAAA:8 a=AV8bAifHFo8FkVZ6n_oA:9 a=lPFtQatfKj0G9NIA:21 a=gKO2Hq4RSVkA:10 a=UiCQ7L4-1S4A:10 a=hTZeC7Yk6K0A:10 a=frz4AuCg-hUA:10 a=Urk15JJjZg1Xo0ryW_k8:22 a=pHzHmUro8NiASowvMSCR:22 a=6VlIyEUom7LUIeUMNQJH:22 From: "Marc Wiese cardmarc@charter.net" Received: from [47.43.20.33] (HELO impout009.msg.chrl.nc.charter.net) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 743186 for flyrotary@lancaironline.net; Sat, 12 Sep 2020 15:36:15 -0400 Received-SPF: pass receiver=logan.com; client-ip=47.43.20.33; envelope-from=cardmarc@charter.net Received: from HomeDesktop ([97.94.202.172]) by cmsmtp with ESMTP id HBJVkyCAr2HYJHBJWkv4uA; Sat, 12 Sep 2020 19:35:58 +0000 Authentication-Results: charter.net; none X-Authority-Analysis: v=2.3 cv=AKi/Lllh c=1 sm=1 tr=0 a=xycr6CVXJRVtFs4WRGOeRA==:117 a=xycr6CVXJRVtFs4WRGOeRA==:17 a=DAwyPP_o2Byb1YXLmDAA:9 a=Ia-xEzejAAAA:8 a=yBhBl6NxO11IdfBKVhAA:9 a=QEXdDO2ut3YA:10 a=yMhMjlubAAAA:8 a=SSmOFEACAAAA:8 a=AV8bAifHFo8FkVZ6n_oA:9 a=lPFtQatfKj0G9NIA:21 a=gKO2Hq4RSVkA:10 a=UiCQ7L4-1S4A:10 a=hTZeC7Yk6K0A:10 a=frz4AuCg-hUA:10 a=Urk15JJjZg1Xo0ryW_k8:22 To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Turbo oil cut-off valve Date: Sat, 12 Sep 2020 14:35:57 -0500 Message-ID: <00af01d6893b$eff3dae0$cfdb90a0$@charter.net> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00B0_01D68912.07201CD0" X-Mailer: Microsoft Outlook 16.0 Content-Language: en-us Thread-Index: AQDF+npeIfbhbJhsVyhCvhQeRELGLquGgrNQ X-CMAE-Envelope: MS4wfGiXtLYsXMyv/EAtKQnoyIT1lcZxClnxOB6Q66KzmgUzM6+t7ItFwVEd2KDz3KCYl85DMfhLLp2yjA2al+HmhOoWsuPQsOdFAzhu2P1XeCxFh0PBp3Ac 4bxIV1Ezg1dXFpaXJILK15sYjo/2Tc/MPyb9mUSkRTbikbgLtmYduZzmMw7Jd8nFfLkpbciyp+gGTg== This is a multipart message in MIME format. ------=_NextPart_000_00B0_01D68912.07201CD0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Most certified aircraft have a check valve (that requires regular = maintenance) in the return line. Marc =20 From: Rotary motors in aircraft=20 Sent: Saturday, September 12, 2020 4:13 AM To: Rotary motors in aircraft Subject: [FlyRotary] Turbo oil cut-off valve =20 Hi Dave; Today I installed a small normally open solenoid valve on my turbo oil = supply line. An AME that happened by was questioning how exactly that I = would know that my turbo bearings were failed and loosing oil. I = couldn't give him an answer that he was satisfied with and he now has me = questioning whether I would know with a reasonable degree of certainty. So exactly what did your turbo do when it failed that made you certain = of what it was. I figure that if I got it wrong and cut off oil when it was still = working, then worst case is that I just destroy $1AMU turbo, but most = likely it would just destroy the bearings. =20 Todd ------=_NextPart_000_00B0_01D68912.07201CD0 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable

Most certified aircraft have a = check valve (that requires regular maintenance) in the return = line.

Marc

From: Rotary motors in aircraft =
Sent: Saturday, September 12, 2020 4:13 AM
To: = Rotary motors in aircraft = <flyrotary@lancaironline.net>
Subject: [FlyRotary] Turbo = oil cut-off valve

Hi = Dave;

Today I installed a = small normally open solenoid valve on my turbo oil supply line. An AME = that happened by was questioning how exactly that I would know that my = turbo bearings were failed and loosing oil. I couldn't give him an = answer that he was satisfied with and he now has me questioning whether = I would know with a reasonable degree of = certainty.

So = exactly what did your turbo do when it failed that made you certain of = what it was.

I = figure that if I got it wrong and cut off oil when it was still working, = then worst case is that I just destroy $1AMU turbo, but most likely it = would just destroy the bearings.

Todd

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