Return-Path: Received: from [24.25.9.102] (HELO ms-smtp-03-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.2.8) with ESMTP id 617314 for flyrotary@lancaironline.net; Sat, 22 Jan 2005 07:45:27 -0500 Received-SPF: none receiver=logan.com; client-ip=24.25.9.102; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-185-127.carolina.rr.com [24.74.185.127]) by ms-smtp-03-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id j0MCiskd026034 for ; Sat, 22 Jan 2005 07:44:55 -0500 (EST) Message-ID: <002d01c50080$79b053e0$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: flex plate Date: Sat, 22 Jan 2005 07:47:04 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_002A_01C50056.90ACFA50" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_002A_01C50056.90ACFA50 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I had a Ross drive that used the smaller flexplates - almost 1" smaller = in diameter than the 13B. I almost used it as an alignment for the = starter position when I modified Tracy's Mounting plate for my Plugs Up = installation - fortunately before cutting metal I measure the flex plate = on a 13B sitting in my shop and found it was 1" larger in diameter. Ed Anderson ----- Original Message -----=20 From: Kelly Troyer=20 To: Rotary motors in aircraft=20 Sent: Friday, January 21, 2005 11:37 PM Subject: [FlyRotary] Re: flex plate OK Paul, I have been out of town so may be late with this info !! Ross used the flexplates from the 12A to 1973 and (some 1974) top mounted starter rotary engines until they became hard to find....Then they = started=20 making them from aluminum and adding a ring gear for the starter !! = These flexplates are smaller in diameter than the later ones......FWIW -- Kelly Troyer=20 Dyke Delta/13B/RD1C/EC2=20 > > > On Mon, 17 Jan 2005 09:44:03 -0600=20 > > > "Paul" wrote:=20 > > >=20 > > >> OK....I am going to openly display my ignorance here....I had = my=20 > > >Ross > PSRU off only one time, when I had the thrust bearing mod=20 > > >done. I > simply reinstalled it opposite of how I took it off. = That=20 > > >was some > time ago, and I can't recall what it looked like where = it=20 > > >mated to the > flywheel. Did the Ross also use an auto flex = plate?=20 > > >I remember the > shaft was splined. That's about all I recall. I = am=20 > > >asking this, > because I have purchased a set of street ported = 4-port=20 > > >plates to which > I will add a set of NA rotors and housings to = build=20 > > >up a complete > engine so I will les! sen my "downtime" by = hopefully=20 > > >swapping engines on > a weekend. I would like to have this new = engine=20 > > >ready to bolt on and > run. I'm assuming that the stock, cast = iron=20 > > >flywheel I have if from > a standard transmission RX7. Are the=20 > > >automatic and standard flywheels > different, or do you just add = an=20 > > >automatic transmission flex plate to > the cast iron flywheel I=20 > > >already have? Just when I thought I had > everything figured out, = I=20 > > >start reading new posts about flex > plates....=20 > > >> Thanks in advance for any and all replies/suggestions. Paul,=20 > > >> what the heck is a flexplate, Conner=20 -------------------------------------------------------------------------= ----- >> Homepage: http://www.flyrotary.com/ >> Archive: http://lancaironline.net/lists/flyrotary/List.html ------=_NextPart_000_002A_01C50056.90ACFA50 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
I had a Ross drive that used the = smaller flexplates=20 - almost 1" smaller in diameter than the 13B.  I almost used it as = an=20 alignment for the starter position when I modified Tracy's Mounting = plate for my=20 Plugs Up installation - fortunately before cutting metal I measure the = flex=20 plate on a 13B sitting in my shop and found it was 1" larger in=20 diameter.
 
Ed Anderson
----- Original Message -----
From:=20 Kelly = Troyer
Sent: Friday, January 21, 2005 = 11:37=20 PM
Subject: [FlyRotary] Re: flex = plate

OK Paul, I have been out of town so may be late with this info !! = Ross
used the flexplates from the 12A to 1973 = and  (some 1974)=20 top mounted
starter rotary engines until they became hard to find....Then = they=20 started
making them from aluminum and adding a ring gear for the starter = !!=20 These
flexplates are smaller in diameter than the later = ones......FWIW
--
Kelly Troyer
Dyke=20 Delta/13B/RD1C/EC2 

> > > On Mon, 17 Jan 2005 = 09:44:03=20 -0600
> > > "Paul" wrote:
> = >=20 >
> > >> OK....I am going to openly display my = ignorance=20 here....I had my
> > >Ross > PSRU off only one time, = when I=20 had the thrust bearing mod
> > >done. I > simply = reinstalled=20 it opposite of how I took it off. That
> > >was some > = time=20 ago, and I can't recall what it looked like where it
> > = >mated=20 to the > flywheel. Did the Ross also use an auto flex plate? =
> >=20 >I remember the > shaft was splined. That's about all I recall. = I am=20
> > >asking this, > because I have purchased a set of = street=20 ported 4-port
> > >plates to which > I will add a set = of NA=20 rotors and housings to build
> > >up a complete > = engine so I=20 will les! sen my "downtime" by hopefully
> > >swapping = engines on=20 > a weekend. I would like to have this new engine
> > = >ready=20 to bolt on and > run. I'm assuming that the stock, cast iron =
> >=20 >flywheel I have if from > a standard transmission RX7. Are the =
>=20 > >automatic and standard flywheels > different, or do you = just add=20 an
> > >automatic transmission flex plate to > the = cast iron=20 flywheel I
> > >already have? Just when I thought I had = >=20 everything figured out, I
> > >start reading new posts = about flex=20 > plates....
> > >> Thanks in advance for any and = all=20 replies/suggestions. Paul,
> > >> what the heck is a=20 flexplate, Conner

>>  Homepage: =20 http://www.flyrotary.com/
>>  Archive:  =20 = http://lancaironline.net/lists/flyrotary/List.html
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