X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=LuPsNUVc c=1 sm=1 tr=0 a=d5uwIPFj7Tgd39yzUtsodw==:117 a=hG3epedDSl5lteqJAkiezQ==:17 a=IkcTkHD0fZMA:10 a=sTwFKg_x9MkA:10 a=o1OHuDzbAAAA:8 a=Ia-xEzejAAAA:8 a=7g1VtSJxAAAA:8 a=Z57htNk1wAIlz256Y94A:9 a=QEXdDO2ut3YA:10 a=Qa1je4BO31QA:10 a=gvSQh4r-fQ0A:10 a=5YQ6H4ZxyGn-KoBYtt8s:22 a=Urk15JJjZg1Xo0ryW_k8:22 a=grOzbf7U_OpcSX4AJOnl:22 From: " eanderson@carolina.rr.com" Received: from [47.43.26.132] (HELO p-impout001.msg.pkvw.co.charter.net) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 262340 for flyrotary@lancaironline.net; Thu, 21 May 2020 12:00:35 -0400 Received-SPF: pass receiver=logan.com; client-ip=47.43.26.132; envelope-from=eanderson@carolina.rr.com Received: from [192.168.1.4] ([66.26.208.242]) by cmsmtp with ESMTP id bncIjsUqh9GgibncIjnPr8; Thu, 21 May 2020 16:00:18 +0000 X-Authority-Analysis: v=2.3 cv=Cb52G4jl c=1 sm=1 tr=0 a=hG3epedDSl5lteqJAkiezQ==:117 a=hG3epedDSl5lteqJAkiezQ==:17 a=IkcTkHD0fZMA:10 a=o1OHuDzbAAAA:8 a=Ia-xEzejAAAA:8 a=7g1VtSJxAAAA:8 a=Z57htNk1wAIlz256Y94A:9 a=QEXdDO2ut3YA:10 a=Qa1je4BO31QA:10 a=gvSQh4r-fQ0A:10 a=5YQ6H4ZxyGn-KoBYtt8s:22 a=Urk15JJjZg1Xo0ryW_k8:22 a=grOzbf7U_OpcSX4AJOnl:22 To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] First engine run -- prop or not? Date: Thu, 21 May 2020 16:00:17 +0000 Message-Id: In-Reply-To: References: Reply-To: eanderson@carolina.rr.com User-Agent: eM_Client/7.2.36908.0 Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-CMAE-Envelope: MS4wfLst1kiRMjixDB+EdfgxLf2Jf+Ddal/h36Lc5L+8kd6bQdS3mnRxlNZq5I8fusaYPvbXoXWmNtjC0FgpcrkfOIq5WoaB4+JvL2GP6LIQ4+DHPdDzrhAQ XXuMKjRPMrNAH57qULyZDvrfpHM3kuJnrPyxIpNRqwHjOk4mOCxWj+SLZqjDiDv6uk2tL8ez1Qi6Ig== Hi Finn, While it has been done, I certainly would not do it. Too little up=20 side and too much bad downside. With no load rotary engines have been=20 know to reach destructive rpms before being shut down, if the throttle=20 should be open a bit too much. Ed ------ Original Message ------ From: "Finn Lassen finn.lassen@verizon.net"=20 To: "Rotary motors in aircraft" Sent: 5/21/2020 9:23:20 AM Subject: [FlyRotary] First engine run -- prop or not? >1) Without prop any vibration will be from engine and PSRU and can inspect = engine (leaks, etc.) with no fear of prop. > >2) With prop less chance of over rev and some cooling air through rads and = oil cooler. > >What do you think? > >Finn > > > >-- >Homepage: http://www.flyrotary.com/ >Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List= .html