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=o2QoyYduAAAA:8 a=hOpmn2quAAAA:8 a=on22okXAAAAA:8 a=7g1VtSJxAAAA:8 a=kyXMWn_vsuNHNQhN7AUA:9 a=ODPyU0jOiLSwlOrP:21 a=_rl_4L2XQM76wn8q:21 a=QEXdDO2ut3YA:10 a=Qa1je4BO31QA:10 a=gvSQh4r-fQ0A:10 a=Urk15JJjZg1Xo0ryW_k8:22 a=S50rnUa8yRbNnh2hyxzf: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 11858619 for flyrotary@lancaironline.net; Fri, 09 Nov 2018 14:23:18 -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=1541791381; h=From:Subject:Date:To:MIME-Version:Content-Type; bh=e+v68grgHnTtpiiE1zoK5BCuqRE=; b=WWNF2kcrcJHc4+WpzwbFfgJgPRI/D6k9J7pdWYewYyIVg8X6Nm0fuIHjDJ3EEsWu nqP4nXzlMof62ZOjbry/7kMMaQ1sDjUpHL2/iok8ijaTDqX3Llewv5zGj8RzYbDl /uA7ItQ+a5sLS0VVDJ6bysdlGfFRp9pct+ZXz/yZdZvWcu9UfgxMVEEWn+evXPUW X8UGSBolCI5tr0wkdDSRNR0pzRu96B+ildt1lu/9ZojkAjwvqSsgVdR/QIzeU+va Y6im2OLKmTs8v3bPHvhUacxLPsUE5fQcwVi0fNeDxlYghzOCbVw/IKxVJPYta0jA 5dObXIDpjgAvT1uwE598jQ==; X_CMAE_Category: , , X-CNFS-Analysis: v=2.2 cv=CqD9STwD 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=o2QoyYduAAAA:8 a=hOpmn2quAAAA:8 a=on22okXAAAAA:8 a=7g1VtSJxAAAA:8 a=kyXMWn_vsuNHNQhN7AUA:9 a=ODPyU0jOiLSwlOrP:21 a=_rl_4L2XQM76wn8q:21 a=QEXdDO2ut3YA:10 a=Qa1je4BO31QA:10 a=gvSQh4r-fQ0A:10 a=Urk15JJjZg1Xo0ryW_k8:22 a=S50rnUa8yRbNnh2hyxzf: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: smtp04.aqua.bos.sync.lan smtp.user=jskmberki@windstream.net; auth=pass (LOGIN) Received: from [173.190.187.195] ([173.190.187.195:61972] helo=DESKTOP7BC15I2) by mail.windstream.net (envelope-from ) (ecelerity 3.6.25.56547 r(Core:3.6.25.0)) with ESMTPA id CC/48-25409-59ED5EB5; Fri, 09 Nov 2018 14:23:01 -0500 To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: Flexplare Replacement Date: Fri, 9 Nov 2018 14:22:58 -0500 Message-ID: <000701d47861$9fe590d0$dfb0b270$@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: AQDa+kVGBSFiZMrGA9p9/kcOnxm2w6c6zlBw Content-Language: en-us Neil, Are there any cushion drives flying? Any testing performed? Joe Berki -----Original Message----- From: Rotary motors in aircraft =20 Sent: Wednesday, November 7, 2018 3:02 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Flexplare Replacement joe, Just unbolt the old flex drive, and bolt mine on. Neil Unger. On 11/7/2018 9:10 PM, Joseph Berki jskmberki@windstream.net wrote: > Neil, > > Are there any modifications to the RD-1C hardware using your solution? > > Joe Berki > > -----Original Message----- > From: Rotary motors in aircraft > 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 > > > -- > 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