X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.2 cv=UschDK4B c=1 sm=1 tr=0 a=2Ntj8PE4bkEX2ZZ3+4RpbQ==:117 a=5Xd/Jon66wq1McQVNKFZZQ==:17 a=KGjhK52YXX0A:10 a=IkcTkHD0fZMA:10 a=JHtHm7312UAA:10 a=B51Z6MqnjM4A:10 a=Ia-xEzejAAAA:8 a=hOpmn2quAAAA:8 a=on22okXAAAAA:8 a=7g1VtSJxAAAA:8 a=BJ-GeA9vCxvwYD4HJvkA:9 a=udrGDiJwzFGfbGTX:21 a=16YsLxqjcIvFRg5a:21 a=QEXdDO2ut3YA:10 a=Qa1je4BO31QA:10 a=gvSQh4r-fQ0A:10 a=Urk15JJjZg1Xo0ryW_k8:22 a=GyA-uvUxXSCciAkwuKQO:22 a=NPqpj5bUEVj9vR1HIonK:22 a=grOzbf7U_OpcSX4AJOnl:22 From: "Joseph Berki jskmberki@windstream.net" Received: from mail.windstream.net ([69.168.106.36] verified) by logan.com (CommuniGate Pro SMTP 6.2.9) with ESMTPS id 11850105 for flyrotary@lancaironline.net; Wed, 07 Nov 2018 05:10:32 -0500 Received-SPF: pass receiver=logan.com; client-ip=69.168.106.36; envelope-from=jskmberki@windstream.net Return-Path: DKIM-Signature: v=1; a=rsa-sha1; d=windstream.net; s=20180222; c=relaxed/simple; q=dns/txt; i=@windstream.net; t=1541585416; h=From:Subject:Date:To:MIME-Version:Content-Type; bh=mYQmdl4cYN/GAmjnbKe1KXJrdwE=; b=jp5Fl3oFqyBe3mSgUGpOsKhod+nvxAUN/LUfKVbIEkIZ3qJlH2Emrwl9OAqBrjPS bc02P1lbyDj7cPJNRjCqml1ak0J2NaW/APF0ox2Os/wyKn7jaquWwI+H2IxD7vxA yYP9mhiwQrOnZw4X5qUdM1b3FTaWNF2am+nuXIYER9cuX5z+6GyuQPOhwvLC/ZSV LF3xhYye6dIcyLsf6OpslJ5549giHHiAczOxnvWQc7BfJvWm9MZy7EmFgdOB5jZn 4XnvM7eIZIuuOHfuNFW/qY+6JGajfNUYY26UwT6vjdeNrt4eRp9vxP07Y/1uViFy rwP+gmz0uCorZCom35imgg==; X_CMAE_Category: , , X-CNFS-Analysis: v=2.2 cv=cbKQlTLM c=1 sm=1 tr=0 a=5Xd/Jon66wq1McQVNKFZZQ==:117 a=5Xd/Jon66wq1McQVNKFZZQ==:17 a=KGjhK52YXX0A:10 a=IkcTkHD0fZMA:10 a=JHtHm7312UAA:10 a=B51Z6MqnjM4A:10 a=Ia-xEzejAAAA:8 a=hOpmn2quAAAA:8 a=on22okXAAAAA:8 a=7g1VtSJxAAAA:8 a=BJ-GeA9vCxvwYD4HJvkA:9 a=udrGDiJwzFGfbGTX:21 a=16YsLxqjcIvFRg5a:21 a=QEXdDO2ut3YA:10 a=Qa1je4BO31QA:10 a=gvSQh4r-fQ0A:10 a=Urk15JJjZg1Xo0ryW_k8:22 a=GyA-uvUxXSCciAkwuKQO:22 a=NPqpj5bUEVj9vR1HIonK:22 a=grOzbf7U_OpcSX4AJOnl:22 X-CM-Score: 0 X-Scanned-by: Cloudmark Authority Engine X-Authed-Username: anNrbWJlcmtpQHdpbmRzdHJlYW0ubmV0 Authentication-Results: smtp01.aqua.bos.sync.lan smtp.user=jskmberki@windstream.net; auth=pass (LOGIN) Received: from [173.190.187.195] ([173.190.187.195:58686] helo=DESKTOP7BC15I2) by mail.windstream.net (envelope-from ) (ecelerity 3.6.25.56547 r(Core:3.6.25.0)) with ESMTPA id E9/0D-19057-80AB2EB5; Wed, 07 Nov 2018 05:10:16 -0500 To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: Flexplare Replacement Date: Wed, 7 Nov 2018 05:10:14 -0500 Message-ID: <000001d47682$13a0fa50$3ae2eef0$@windstream.net> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQMoKJzT+TRkaxjr8iebqihJ4nSk86KcsmRQ Content-Language: en-us Neil, Are there any modifications to the RD-1C hardware using your solution? Joe Berki -----Original Message----- From: Rotary motors in aircraft =20 Sent: Tuesday, November 6, 2018 8:02 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Flexplare Replacement Marc, Attached photo is of the original mounted on my engine, = The unit shown has urethane as the "flex" which lasted about 5 hours = and the spacer is the original without excess material milled off for = lightness. Input shaft is Tracy's whereas mine is one piece and a lot = dearer!! Basically as shown the plate with the vulcanised drive block = is bolted through the spacer and flexplate onto the e shaft as shown and = is lighter than Tracy's but by how much I forget. Made specifically to = retrofit all Tracy's reduction drives. Neil Unger. On 11/7/2018 10:12 AM, Marc Wiese cardmarc@charter.net wrote: > Neil, > Can I see a sketch of how it all fits together front to back? > Marc > > -----Original Message----- > From: Rotary motors in aircraft > Sent: Tuesday, November 06, 2018 3:28 PM > To: Rotary motors in aircraft > Subject: [FlyRotary] Re: Flexplare Replacement > > Joe, There is another way which is my cushion drive (attached) which = will cost approx $500 USD plus freight with the current exchange rate. = Main cost is the splined drive block so that it matches up with Tracy's = splined input shaft. The photo shows the 2 parts of the unit, spacer = and splined cushion drive, which bolt direct onto the e shaft with the = normal flexplate in between. Uses the normal flexplate with no strain = whatever on the flexplate. Your money and your decision!! > > Neil Unger > > > On 11/7/2018 6:06 AM, Jeff Whaley jwhaley@datacast.com wrote: >> Hi Joe, I believe there are two ways you can go, though I don't have = part numbers or exact details for you: >> 1) Tracy's Method: Use an aluminum flywheel directly, including the = center spline coupling - this eliminates the damper plate and the need = to drill holes. The catch is the spline does not match the original = RD1-C prop shaft spline. >> 2) Dave Leonard's Method: Use an aluminum flywheel, no center spline, = mount the damper plate, remove material from one face to adjust ring = gear position relative to starter. >> A quick search of the list should get you more info as it was = discussed lately ... >> Jeff >> >> I have been looking at various flywheels for possible candidate = replacement. >> >> I thought the aluminum units would provide the least amount of weight = gain. >> >> I noticed that there are a lot of holes in these units including the = replaceable friction area with many screw holes. >> >> I was under the impression that the holes in the flexplate promoted = stress cracks. >> >> These flywheels however may have sufficient material to counteract = the stress potential. >> >> Can someone provide a brand or part number that is acceptable? >> >> I believe that the additional machining to modify one of these = flywheels is the holes for the torsional damper. >> >> Thanks for any help. >> >> =20 >> >> Joe Berki >> >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html