X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.2 cv=UschDK4B c=1 sm=1 tr=0 a=1Xv/HvWHg90e81bPS5VMkw==:117 a=x7bEGLp0ZPQA:10 a=oSMvVwY2MYMA:10 a=JHtHm7312UAA:10 a=pGLkceISAAAA:8 a=Ia-xEzejAAAA:8 a=on22okXAAAAA:8 a=7g1VtSJxAAAA:8 a=2gQWoRgH4hO7QSpU6GYA:9 a=7e0ZtFgE349QNdhW:21 a=fZBJOiG0UgeUdX_2:21 a=QEXdDO2ut3YA:10 a=Qa1je4BO31QA:10 a=gvSQh4r-fQ0A:10 a=U-JMs1b1DGCGb9IikfkA:9 a=fo_a_psflJIqU6J5:21 a=b17L_uUzAeDnJR5D:21 a=KVZrSxiU6GfEFN8t:21 a=Urk15JJjZg1Xo0ryW_k8:22 a=NPqpj5bUEVj9vR1HIonK:22 a=grOzbf7U_OpcSX4AJOnl:22 From: "David Leonard wdleonard@gmail.com" Received: from mail-qt1-f173.google.com ([209.85.160.173] verified) by logan.com (CommuniGate Pro SMTP 6.2.9) with ESMTPS id 11849927 for flyrotary@lancaironline.net; Tue, 06 Nov 2018 23:36:04 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.85.160.173; envelope-from=wdleonard@gmail.com Received: by mail-qt1-f173.google.com with SMTP id n21so2717614qtl.6 for ; Tue, 06 Nov 2018 20:36:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=mSD2ymrUVu1HKqytF5BngStXUEBbFPhfnyOkTLJF8/o=; b=otx8zkmHJkTk7kqeYu9jc9khqWv6ZNm0y7onM4Yvtroz/w0mZoN+Q4fK8QeWmdz5kQ Ydhh/k11mF/occI5FrpM/dvPX/AIld44/MMThNxtRamI+YuG6jqCbsJOCN/9Os9KLbun jL2xfZexh/+OPmLX40V5CVYZFpUBWtuDjcVdVwLwzNRP9jPZy92hCutLN+KjWTAJS1M+ b7EimAkZHfemK0LjPJTaOtoqYtmodHS4ZAW1nrKNzFO3/l9MwqTkhWKn40SEnvw7d83K xWE1qnJ421yzgE8PDceU+1D5niLXWVcTnMeG7QevkvxQ/Ke0n6++RW0ioRzoKeU/RIcr hSEg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=mSD2ymrUVu1HKqytF5BngStXUEBbFPhfnyOkTLJF8/o=; b=cM8eSfOWbtbZZyk2jcGrrpsVAWEFc9TSM+LmSlz9HgfThQUY+CfGTuwe3GUe1SuR3R YQpyUMA2GIFfqQvGcIOYdUfSBKmxWUqhWV4StGmciWO5DpY9W2zXSe6aOwmqaD+MpW5r UtUUP7oYxRyyZkl54LqYK7oIwhZaDn1CGNiPb93mltmeDmUxPb40I2f9Q+jwFkC/m2Bj Re5QwmHo28Zy3/l40kvNEhUhcRwokdu4VYdNcDtp005koPQwvRXqYKWjvKOyrEKfLC8L HXSaqtF5qLJd6tb/yn+PFMbY5/eXTPqerKi1dDUb9E42BbHPcfCZKyovrZbTAkN44SfE 5dEw== X-Gm-Message-State: AGRZ1gJ+mPA+kKN7VDido13LuHKOyH9xg0/tvHSllG0s1hoFvlTVUers tJrJReAhi/iFwao8/r4d3dntRIUV0fBhzbXZIid2jg== X-Google-Smtp-Source: AJdET5em/bmmhsknEJ+O6spGWuFn6+u5BD9P5K+pyb1Za7uIMumJQFENmROE7+laeEfEMruiXD5vcqG4uN4JSEyNSSk= X-Received: by 2002:ac8:4454:: with SMTP id m20mr268129qtn.381.1541565347872; Tue, 06 Nov 2018 20:35:47 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: Date: Tue, 6 Nov 2018 20:35:39 -0800 Message-ID: Subject: Re: [FlyRotary] Re: Flexplare Replacement To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary="000000000000f54576057a0ba648" --000000000000f54576057a0ba648 Content-Type: text/plain; charset="UTF-8" Niel, That looks like a great solution! Cheaper and much easier (now that you have developed it) than what I did! On Tue, Nov 6, 2018, 1:28 PM Neil Unger 12348ung@gmail.com < flyrotary@lancaironline.net wrote: > 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. > > > > > > > > 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 > --000000000000f54576057a0ba648 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Niel,
That looks like a great solution!= =C2=A0 Cheaper and much easier (now that you have developed it) than what I= did!

On Tue, No= v 6, 2018, 1:28 PM Neil Unger 12348un= g@gmail.com <flyrotar= y@lancaironline.net wrote:
Joe,= =C2=A0 There is another way which is my cushion drive (attached) which
will cost approx $500 USD plus freight with the current exchange rate.=C2= =A0=C2=A0
Main cost is the splined drive block so that it matches up with Tracy's=
splined input shaft.=C2=A0 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=C2=A0 in between. Uses the normal flexplate with no strain=
whatever on the flexplate.=C2=A0 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 ha= ve part numbers or exact details for you:
> 1) Tracy's Method: Use an aluminum flywheel directly, including th= e 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 pro= p shaft spline.
> 2) Dave Leonard's Method: Use an aluminum flywheel, no center spli= ne, mount the damper plate, remove material from one face to adjust ring ge= ar position relative to starter.
> A quick search of the list should get you more info as it was discusse= d lately ...
> Jeff
>
> I have been looking at various flywheels for possible candidate replac= ement.
>
> 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 r= eplaceable friction area with many screw holes.
>
> I was under the impression that the holes in the flexplate promoted st= ress 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 flywhee= ls is the holes for the torsional damper.
>
> Thanks for any help.
>
>=C2=A0 =C2=A0
>
> Joe Berki
>
> --
> Homepage:=C2=A0 http://www.flyrotary.com/
> Archive and UnSub:=C2=A0 =C2=A0http://mail.lancaironline.net:81/lists/flyrotary/List.html

--
Homepage:=C2=A0 http://www.flyrotary.com/
Archive and UnSub:=C2=A0 =C2=A0= http://mail.lancaironline.net:81/lists/flyrotary/List.html
--000000000000f54576057a0ba648--