X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.120] verified) by logan.com (CommuniGate Pro SMTP 6.0c1) with ESMTP id 5717009 for flyrotary@lancaironline.net; Sat, 18 Aug 2012 06:55:21 -0400 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.120; envelope-from=eanderson@carolina.rr.com Return-Path: X-Authority-Analysis: v=2.0 cv=OtDNOlDt c=1 sm=0 a=g3L/TDsr+eNLfIieSKfGkw==:17 a=AHkS0RJitIMA:10 a=Wcij4souTpoA:10 a=05ChyHeVI94A:10 a=6ko7Aeimr4wA:10 a=ayC55rCoAAAA:8 a=C_IRinGWAAAA:8 a=oCcaPWc0AAAA:8 a=xpMt3WHtiCDYYEqFF3MA:9 a=QEXdDO2ut3YA:10 a=si9q_4b84H0A:10 a=Ia-xEzejAAAA:8 a=pW0e-KruKkf953ZH8xEA:9 a=_W_S_7VecoQA:10 a=frz4AuCg-hUA:10 a=EzXvWhQp4_cA:10 a=g3L/TDsr+eNLfIieSKfGkw==:117 X-Cloudmark-Score: 0 X-Originating-IP: 174.110.170.10 Received: from [174.110.170.10] ([174.110.170.10:54369] helo=EdPC) by cdptpa-oedge01.mail.rr.com (envelope-from ) (ecelerity 2.2.3.46 r()) with ESMTP id 20/28-29356-5747F205; Sat, 18 Aug 2012 10:54:46 +0000 Message-ID: From: "Ed Anderson" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] EM2 CHT ? Date: Sat, 18 Aug 2012 06:54:35 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0038_01CD7D0E.53B1AE60" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8117.416 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8117.416 This is a multi-part message in MIME format. ------=_NextPart_000_0038_01CD7D0E.53B1AE60 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable I think I would run the engine at operational rpms (>5000) and watch the = coolant/oil temperatures - when they got to my maximum limit, I would = check the CHT reading and perhaps add 50 degrees for the limit (to start = with). If I got a lot of false alarms at that margin I would try = another 50 deg. Just a WAG. Ed From: hoursaway1@comcast.net=20 Sent: Friday, August 17, 2012 10:20 PM To: Rotary motors in aircraft=20 Subject: [FlyRotary] EM2 CHT ? What are we using for high temp numbers from the CHT sensors on the 13B = rotary, I have the under the spark plug style sensors bolted to each = rotor housing in some factory threaded holes just above the spark plugs, = not really the hottest spot but the holes were already in place so I = KISSed it & moved on, now I need to set my high temp warning limit & do = not know what to use. Possibly do an eng. run with upper cowl off & = check bolt/sensor temp with a lazer temp gun at about 4000 RPM & go = another 50 deg. higher? Ideas? David R. Cook RV6A Rotary=20 No virus found in this message. Checked by AVG - www.avg.com Version: 2012.0.2197 / Virus Database: 2437/5206 - Release Date: = 08/17/12 ------=_NextPart_000_0038_01CD7D0E.53B1AE60 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I think I would run the engine at operational = rpms=20 (>5000) and watch the coolant/oil temperatures - when they got to my = maximum=20 limit, I would check the CHT reading and perhaps add 50 degrees for the = limit=20 (to start with).  If I got a lot of false alarms at that margin I = would try=20 another 50 deg.  Just a WAG.
 
Ed

From: hoursaway1@comcast.net
Sent: Friday, August 17, 2012 10:20 PM
To: Rotary motors in = aircraft
Subject: [FlyRotary] EM2 CHT ?

What are we using for high temp numbers from the CHT sensors on the = 13B=20 rotary, I have the under the spark plug style sensors bolted to each = rotor=20 housing in some factory threaded holes just above the spark plugs, not = really=20 the hottest spot but the holes were already in place so I KISSed it = & moved=20 on, now I need to set my high temp warning limit & do not know what = to=20 use.  Possibly do an eng. run with upper cowl off & check=20 bolt/sensor temp with a lazer temp gun at about 4000 RPM  & go = another=20 50 deg. higher?  Ideas?  David R. Cook  RV6A = Rotary 

 

 

No virus found in this=20 message.
Checked by AVG - www.avg.com
Version: 2012.0.2197 / = Virus=20 Database: 2437/5206 - Release Date: 08/17/12

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