X-CGP-ClamAV-Result: CLEAN X-VirusScanner: Niversoft's CGPClamav Helper v1.23.0 (ClamAV engine v0.103.0) X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=XpSExmN9 c=1 sm=1 tr=0 a=7qu+n2pbGjI3UOwCXVhh/Q==:117 a=IkcTkHD0fZMA:10 a=3YhXtTcJ-WEA:10 a=9NfvVgH7TPcA:10 a=pGLkceISAAAA:8 a=_6GpL_ENAAAA:8 a=7aTIPEe0aaAScDABZfMA:9 a=QEXdDO2ut3YA:10 a=xupg4knwUDYA:10 From: "Finn Lassen finn.lassen@verizon.net" Received: from sonic307-9.consmr.mail.ne1.yahoo.com ([66.163.190.32] verified) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 1463291 for flyrotary@lancaironline.net; Thu, 29 Apr 2021 10:24:38 -0400 Received-SPF: pass receiver=logan.com; client-ip=66.163.190.32; envelope-from=finn.lassen@verizon.net DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=verizon.net; s=a2048; t=1619706261; bh=uWDIGvAR62naLZAt/jkqds67t2zvImp1DI0b8uYUXpo=; h=Subject:To:References:From:Date:In-Reply-To:From:Subject:Reply-To; b=prDli4Y2asMoiZ7iBehtrFJBDDe/i2KRk7KniAKQjyH8QvnwnJ8vC4zEp2mm7VXDJuBMIOIzd04iT6a+plAvDG3cEvPNrTs5tc9JeWuTl2LT8xtzKBHrGPEBYNYaOwbxSY6YC1ujPzdJVHdKtapdqV4EAx7t2IV9ZmUEAy2SL/jaorutwR4GGUaboRSnFt6h1yPNTaKUKsX7DdZ5sXuy9S8EZqaInUAyUPYQUQEmWDzL9m5nFpNzThoIieCY5UqQm80f4ETbKkVhHp/Mu03Y8urgpVcKixQEoQdow2HeCWcMnvbip9yFIlLuEqi56eW4OyfEUR4D2SKJtIbShc0Qcw== X-SONIC-DKIM-SIGN: v=1; 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Thu, 29 Apr 2021 14:24:21 +0000 Received: by kubenode547.mail-prod1.omega.bf1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 1fbf66ff65df2c685e9c08914b666c99; Thu, 29 Apr 2021 14:24:17 +0000 (UTC) Subject: Re: [FlyRotary] Re: PSRU thrust bearing/washer To: Rotary motors in aircraft References: Message-ID: <87fd6193-fb5b-de23-18a9-191547d33dd6@verizon.net> Date: Thu, 29 Apr 2021 10:24:13 -0400 User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-Antivirus: Avast (VPS 210429-0, 04/28/2021), Outbound message X-Antivirus-Status: Clean X-Mailer: WebService/1.1.18138 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.aol Apache-HttpAsyncClient/4.1.4 (Java/16) Content-Length: 507 On 4/28/2021 11:22 PM, Matt Boiteau mattboiteau@gmail.com wrote: > but a planetary gear, doesn't it only need a splash of oil for lub? No clue, but do have a vague memory of gears need cooling. So I suspect that oil flow do more than just lubricate. In the RD-1C there are bronze (I forget the proper term -- solid?)  bearings. And at your input shaft RPMs ("engine RPM is 8250"), wow! Finn --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus