X-Virus-Scanned: clean according to Sophos on Logan.com From: "Ed Anderson" Received: from [107.14.166.231] (HELO cdptpa-oedge-vip.email.rr.com) by logan.com (CommuniGate Pro SMTP 6.0.9e) with ESMTP id 6890430 for flyrotary@lancaironline.net; Wed, 21 May 2014 08:36:20 -0400 Received-SPF: pass receiver=logan.com; client-ip=107.14.166.231; envelope-from=eanderson@carolina.rr.com Return-Path: Received: from [174.110.171.30] ([174.110.171.30:51478] helo=EdPC) by cdptpa-oedge03 (envelope-from ) (ecelerity 3.5.0.35861 r(Momo-dev:tip)) with ESMTP id 71/74-14070-1AD9C735; Wed, 21 May 2014 12:35:45 +0000 Message-ID: <68D47452C78F413A95B0B876C36CAD9B@EdPC> To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: flexplate / flywheel saga continued Date: Wed, 21 May 2014 08:35:13 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0026_01CF74CF.956CEDF0" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 16.4.3528.331 X-MimeOLE: Produced By Microsoft MimeOLE V16.4.3528.331 X-RR-Connecting-IP: 107.14.168.142:25 X-Cloudmark-Score: 0 This is a multi-part message in MIME format. ------=_NextPart_000_0026_01CF74CF.956CEDF0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Charlie, I have one of Lou Ross=E2=80=99s PSRUs and I was surprised when = converting over to Tracy=E2=80=99s PSRU to find that the diameter of the = Ross flywheel was 1=E2=80=9D smaller in diameter =E2=80=93 = didn=E2=80=99t realize this until I stuck the starter into the Tracy = mount and found it=E2=80=99s drive gear was approx 1/2=E2=80=9D away = from the teeth on the flywheel. So had to ditch it and go find a more = recent version. Ed From: Charlie England=20 Sent: Tuesday, May 20, 2014 9:20 PM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: flexplate / flywheel saga continued Hmm... this is curious. The seller says 'fits 86-91', so that should be = 2nd gen. I wonder if the turbo flywheel is larger diameter (same = diameter as the flexplate). Guess I'll call Fidanza & ask, before I = contact the seller. Just out of curiosity, would it be possible to just move the starter = closer to the e-shaft centerline to match the smaller flywheel? (I do = have mine mounted on the plugs side of the engine). I don't really expect to need this flywheel, but if it's useable, I'll = hang on to it. Thanks for the help, Charlie On 5/20/2014 5:03 PM, Tracy wrote: I bought 2 aluminum racing flywheels for RX-7, one new and One used. = Both were same diameter as 2nd gen flex plate although the seller said = they also fit RX-8. =20 I am not familiar with the " FB or FC " terminology. I'm wondering = if they mean it is a 1st gen RX7. I would assume FC means 2nd gen = since 3rd gen is FD. Tracy Sent from my iPad On May 20, 2014, at 15:25, "Charlie England" = wrote: Well, I recently bought a used aluminum flywheel with the following = description: Quote:=20 RX7 8.5Lb Fidanza Aluminum Flywheel for FB or FC For sale is a 8.5lb Aluminum Fidanza Flywheel for a RX7 Non Turbo , = its used and could use a new friction plate=20 fits 86-91 Non turbo RX7s might fit Fb 2nd gen RX7s as well i'm not = 100% sure Unquote. It was reasonably priced, since I don't need the wear surface, so I = figured it would be 'plan B' if I ever have an issue with the flex = plate.=20 When it arrived (yesterday, after everyone was gone), I sat it on = top of my (cracked) flex plate, and it's almost an inch smaller in = diameter. The mounting holes in the center seem to line up properly. I = remember reading about milling the drive plate to move the starter .2" = closer to the engine, but I don't remember anything about the smaller = diameter.=20 So, my questions:=20 Did I purchase the wrong item, would I simply make my starter cutout = in the plate closer to the centerline to account for the smaller = diameter, or was the flywheel mis-represented? If it's not the described item, I need to send it back, but I don't = want to bother the seller if I simply bought the wrong flywheel. Thanks, Charlie -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html No virus found in this message. Checked by AVG - www.avg.com Version: 2014.0.4592 / Virus Database: 3950/7529 - Release Date: = 05/20/14 ------=_NextPart_000_0026_01CF74CF.956CEDF0 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
Charlie, I have one of Lou Ross=E2=80=99s PSRUs and I was surprised = when converting=20 over to Tracy=E2=80=99s PSRU to find that the diameter of the Ross = flywheel was 1=E2=80=9D=20 smaller in diameter =E2=80=93 didn=E2=80=99t realize this until I stuck = the starter into the=20 Tracy mount and found it=E2=80=99s drive gear was approx 1/2=E2=80=9D = away from the teeth on the=20 flywheel.  So had to ditch it and go find a more recent = version.
 
Ed
 
Sent: Tuesday, May 20, 2014 9:20 PM
Subject: [FlyRotary] Re: flexplate / flywheel saga=20 continued
 
Hmm... this is curious. The seller says = 'fits 86-91',=20 so that should be 2nd gen. I wonder if the turbo flywheel is larger = diameter=20 (same diameter as the flexplate). Guess I'll call Fidanza & ask, = before I=20 contact the seller.

Just out of curiosity, would it be possible = to just=20 move the starter closer to the e-shaft centerline to match the smaller = flywheel?=20 (I do have mine mounted on the plugs side of the engine).

I don't = really=20 expect to need this flywheel, but if it's useable, I'll hang on to=20 it.

Thanks for the help,

Charlie

On 5/20/2014 5:03 = PM,=20 Tracy wrote:
I bought 2 aluminum racing flywheels for RX-7, one new and One=20 used.   Both were same diameter as 2nd gen flex plate = although the=20 seller said they also fit RX-8. 
 
I am not familiar with the " FB or FC " terminology.   = I'm=20 wondering if they mean it is a 1st gen RX7.   I would assume = FC=20 means 2nd gen since 3rd gen is FD.
 
Tracy

Sent from my iPad

On May 20, 2014, at 15:25, "Charlie England" <flyrotary@lancaironline.net>=20 wrote:

Well, I recently bought a used aluminum flywheel with the = following=20 description:

Quote:
RX7=20 8.5Lb Fidanza Aluminum Flywheel for FB or FC
For sale is a = 8.5lb=20 Aluminum Fidanza Flywheel for a RX7 Non Turbo , its used and could = use a new=20 friction plate=20 fits 86-91 Non turbo RX7s might fit Fb 2nd gen = RX7s as=20 well i'm not 100% sure
Unquote.

It was reasonably = priced,=20 since I don't need the wear surface, so I figured it would be 'plan = B' if I=20 ever have an issue with the flex plate.

When it arrived = (yesterday,=20 after everyone was gone), I sat it on top of my (cracked) flex = plate, and=20 it's almost an inch smaller in diameter. The mounting holes in the = center=20 seem to line up properly. I remember reading about milling the drive = plate=20 to move the starter .2" closer to the engine, but I don't remember = anything=20 about the smaller diameter.

So, my questions:
Did I = purchase the=20 wrong item, would I simply make my starter cutout in the plate = closer to the=20 centerline to account for the smaller diameter, or was the flywheel=20 mis-represented?

If it's not the described item, I need to = send it=20 back, but I don't want to bother the seller if I simply bought the = wrong=20 flywheel.

Thanks,

Charlie
<AL flywheel.JPG>
--
Homepage:  http://www.flyrotary.com/
Ar= chive=20 and UnSub:   http://mail.lancaironline.net:81/lists/flyrotary= /List.html

No virus found in this=20 message.
Checked by AVG - www.avg.com
Version: 2014.0.4592 / = Virus=20 Database: 3950/7529 - Release Date: = 05/20/14

------=_NextPart_000_0026_01CF74CF.956CEDF0--