X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-iy0-f180.google.com ([209.85.210.180] verified) by logan.com (CommuniGate Pro SMTP 5.4.0) with ESMTPS id 5052924 for flyrotary@lancaironline.net; Fri, 15 Jul 2011 12:23:20 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.210.180; envelope-from=fluffysheap@gmail.com Received: by iyh42 with SMTP id 42so1181978iyh.25 for ; Fri, 15 Jul 2011 09:22:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=tiA/F4CpR6S54nIcyquOBy08s0zM5jp9sesZHRE8Xuc=; b=MvzvmA6QsGa/QgWytLrMqEvkC99Y8UaYU9CoYQS4WjymrKh2ffvGliCNmaXTUj+vy1 lAg5JKEeMzoozOxOrvOx0Unh1f/S0khgyY9N8SfySeg4lgF2jmkCm0f+3BxLTn1/FuDs Q/9SOMA/bY0Ddnq1HddRPWaSKYmuLkwSYMZ0U= MIME-Version: 1.0 Received: by 10.231.68.196 with SMTP id w4mr3280176ibi.28.1310746963756; Fri, 15 Jul 2011 09:22:43 -0700 (PDT) Received: by 10.231.156.82 with HTTP; Fri, 15 Jul 2011 09:22:43 -0700 (PDT) In-Reply-To: References: Date: Fri, 15 Jul 2011 10:22:43 -0600 Message-ID: Subject: Re: [FlyRotary] Re: Ok Here are the important flywheel measurements From: William Wilson To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=001517741a362a47c404a81e0fb5 --001517741a362a47c404a81e0fb5 Content-Type: text/plain; charset=ISO-8859-1 That might work, actually. (But you should use 3/8" to get the right distance). On Fri, Jul 15, 2011 at 7:53 AM, Ernest Christley wrote: > William Wilson wrote: > >> I'd recommend getting a turbo starter to go with the turbo flywheel. It >> should bolt right on. The flywheel assembly spins pretty fast and needs to >> be balanced, I wouldn't trust welding there, or at least not MY welding :) >> I think starters are physically interchangeable for all turbo cars from 86 >> on plus RX-8s, but to be absolutely sure you could also match the series of >> car. (You can probably find an RX-8 in a local junkyard). >> > > why not just add a spacer made of 1/4" aluminum plate? > > > > >> On Thu, Jul 14, 2011 at 10:41 PM, David Leonard > wdleonard@gmail.com>> wrote: >> >> I finally got to the hangar and measured out my S5 turbo flywheel >> and the remains of my S5 flexplate. The results are very >> encouraging, even as good as the possibly could be to make the swap, >> but I only had ten min at the hangar before I had to leave to pick >> up my daughter from daycare, so they are one try and slightly >> sloppy... I make no guarantees. The height measurements of the flex >> plate were particularly suspect because, well, mine is all warped >> and broken. >> >> *Ring Gear Diameter* - Perfect fit. As we suspected, same size, >> same tooth spacing. >> >> *Ring Gear Fore-Aft Placement* - As measured from the underside of >> the big nut. (for all further reference, aft means aft in the CAR). >> The flex plate puts the aft side of the ring gear 1.290 inches from >> the front of the big nut. The flywheel puts it 0.913. So the flex >> plate puts the ring gear (appx) 0.377 in. further aft. This is >> actually fortuitous because it just so happens that the ring gear >> thickness is .365 ... So all we have to do to fix the discrepancy >> is weld and extra ring gears onto to the flywheel ring gear and >> there will be teeth that the starter can reach:(bottom of the page.. >> the cost $80) >> http://mazdatrix.com/flywheel.**htm >> It may also be possible to fix the discrepancy by changing the >> starter... will look into that. >> >> *Damper Plate Placement* - On the flywheel, the mounting surface is >> proud (or aft) of the ring gear. On the flex plate, the mounting >> surface is recessed (or forward) from the ring gear. And it all >> pretty much works out. That position on the flywheel will vary >> somewhat depending on which flywheel you have and how much wear you >> have on the clutch slip surface. But on my (I assume well-worn) >> flywheel the placement was 0.965 while the flex plate was 0.950. >> Pretty damn close and given measurement error it might me meant to >> be right on. Or, any difference could be made up by trimming down >> the spline on the damper plate or removing or adding spacers between >> the two. >> >> So in my mind, a flywheel is the way to go. Stout, easy to get, >> pick your weight, only mods seem to be drilling the mounting holes >> and welding on a second gear ring. >> >> -- David Leonard >> >> Turbo Rotary RV-6 N4VY >> http://N4VY.RotaryRoster.net >> http://RotaryRoster.net >> >> >> > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net:** > 81/lists/flyrotary/List.html > --001517741a362a47c404a81e0fb5 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable That might work, actually.=A0 (But you should use 3/8" to get the righ= t distance).

On Fri, Jul 15, 2011 at 7:53= AM, Ernest Christley <echristley@att.net> wrote:
William Wilson wrote:
I'd recommend getting a turbo starter to go with the turbo flywheel. = =A0It should bolt right on. =A0The flywheel assembly spins pretty fast and = needs to be balanced, I wouldn't trust welding there, or at least not M= Y welding :) =A0I think starters are physically interchangeable for all tur= bo cars from 86 on plus RX-8s, but to be absolutely sure you could also mat= ch the series of car. =A0(You can probably find an RX-8 in a local junkyard= ).

why not just add a spacer made of 1/4" aluminum plate?
=




On Thu, Jul 14, 2011 at 10:41 PM, David Leonard <wdleonard@gmail.com <mailto:wdleonard@gmail.com&= gt;> wrote:

=A0 =A0I finally got to the hangar and measured out my S5 turbo flywheel =A0 =A0and the remains of my S5 flexplate. =A0The results are very
=A0 =A0encouraging, even as good as the possibly could be to make the swap= ,
=A0 =A0but I only had ten min at the hangar before I had to leave to pick<= br> =A0 =A0up my daughter from daycare, so they are one try and slightly
=A0 =A0sloppy... I make no guarantees. =A0The height measurements of the f= lex
=A0 =A0plate were particularly suspect because, well, mine is all warped =A0 =A0and broken.

=A0 =A0*Ring Gear Diameter* - Perfect fit. =A0As we suspected, same size,<= br> =A0 =A0same tooth spacing.

=A0 =A0*Ring Gear Fore-Aft Placement* - As measured from the underside of<= br> =A0 =A0the big nut. (for all further reference, aft means aft in the CAR).= =A0 =A0 The flex plate puts the aft side of the ring gear 1.290 inches fro= m
=A0 =A0the front of the big nut. The flywheel puts it 0.913. =A0So the fle= x
=A0 =A0plate puts the ring gear (appx) 0.377 in. further aft. =A0This is =A0 =A0actually fortuitous because it just so happens that the ring gear =A0 =A0thickness is .365 ... =A0 =A0So all we have to do to fix the discre= pancy
=A0 =A0is weld and extra ring gears onto to the flywheel ring gear and
=A0 =A0there will be teeth that the starter can reach:(bottom of the page.= .
=A0 =A0the cost $80)
=A0 =A0htt= p://mazdatrix.com/flywheel.htm
=A0 =A0It may also be possible to fix the discrepancy by changing the
=A0 =A0starter... will look into that.

=A0 =A0*Damper Plate Placement* - On the flywheel, the mounting surface is=
=A0 =A0proud (or aft) of the ring gear. =A0On the flex plate, the mounting=
=A0 =A0surface is recessed (or forward) from the ring gear. And it all
=A0 =A0pretty much works out. =A0That position on the flywheel will vary =A0 =A0somewhat depending on which flywheel you have and how much wear you=
=A0 =A0have on the clutch slip surface. But on my (I assume well-worn)
=A0 =A0flywheel the placement was 0.965 while the flex plate was 0.950. = =A0 =A0 Pretty damn close and given measurement error it might me meant to<= br> =A0 =A0be right on. =A0Or, any difference could be made up by trimming dow= n
=A0 =A0the spline on the damper plate or removing or adding spacers betwee= n
=A0 =A0the two.

=A0 =A0So in my mind, a flywheel is the way to go. =A0Stout, easy to get,<= br> =A0 =A0pick your weight, only mods seem to be drilling the mounting holes<= br> =A0 =A0and welding on a second gear ring.

=A0 =A0-- =A0 =A0 David Leonard

=A0 =A0Turbo Rotary RV-6 N4VY
=A0 =A0http://N= 4VY.RotaryRoster.net
=A0 =A0http://Rotary= Roster.net




--
Homepage: =A0http:/= /www.flyrotary.com/
Archive and UnSub: =A0 http://mail.lancaironline.net:8= 1/lists/flyrotary/List.html

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