X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-gy0-f180.google.com ([209.85.160.180] verified) by logan.com (CommuniGate Pro SMTP 5.4.1) with ESMTPS id 5121678 for flyrotary@lancaironline.net; Mon, 12 Sep 2011 10:29:28 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.160.180; envelope-from=rwstracy@gmail.com Received: by gyd8 with SMTP id 8so309005gyd.25 for ; Mon, 12 Sep 2011 07:28:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=subject:references:from:content-type:x-mailer:in-reply-to :message-id:date:to:content-transfer-encoding:mime-version; bh=+OLnFHkDt0t2JJ66k8+zhjz0L7k1ByLJ+wokti4aWV0=; b=SlpqXY3PGIcul7/o9vo+PiJRwkYfMxwu/V+mOj9TtlfaJaX+PEaQLEFMLoHgGLd1Uk QagGAs+qkmgSynXJMNK/0E+4Fena97iF1ieIgtIBb0tWjneRpD55g5quxdDksrwAFhal FrbmmGe0b7bLleXsfhzKQ040FOI9uE7SEFMDc= Received: by 10.150.170.10 with SMTP id s10mr4342762ybe.171.1315837733323; Mon, 12 Sep 2011 07:28:53 -0700 (PDT) Return-Path: Received: from [75.220.98.149] (149.sub-75-220-98.myvzw.com [75.220.98.149]) by mx.google.com with ESMTPS id 11sm14399013ant.0.2011.09.12.07.28.43 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 12 Sep 2011 07:28:51 -0700 (PDT) Subject: Re: [FlyRotary] Re: Flywheel thickness ? References: From: Tracy Content-Type: multipart/alternative; boundary=Apple-Mail-6-375592132 X-Mailer: iPad Mail (8F191) In-Reply-To: Message-Id: <10639045-EE51-4512-A5FE-B2635081513E@gmail.com> Date: Mon, 12 Sep 2011 08:28:41 -0600 To: Rotary motors in aircraft Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (iPad Mail 8F191) --Apple-Mail-6-375592132 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Kelly, The aluminum one I'm getting is 10.7 lbs but that is before removing the= replaceable iron friction surface. Probably about 3 lbs for the iron piec= e but just guessing. I don't plan on removing much, if any, aluminum. The= re is a LOT of in in the center area. I'm thinking we are over reacting on the strength issue. The Ross drive us= ed a custom aluminum flywheel that was just a plain 5/16" or 3/8" thick alu= minum disk with steel ring gear. Never heard of a problem with that part.=20= Tracy Sent from my iPad On Sep 11, 2011, at 10:09 PM, Kelly Troyer wrote: > Tracy, > Curious as to the weight of the aluminum flywheel you are buying as mos= t > I have seen are not much if any lighter than the steel versions by virtue o= f > the the mass they must have for the needed strength to survive the rotatio= nal > forces put on them at up to 10,000+ rpm in racing use..........I realize t= hat our > A/C use will not turn at these rpm's but you can only reduce weight so muc= h > without compromising structural integrity............ > =20 > Kelly Troyer > "DYKE DELTA JD2" (Eventually) > "13B ROTARY"_ Engine > "RWS"_RD1C/EC2/EM2 > "MISTRAL"_Backplate/Oil Manifold > "TURBONETICS"_TO4E50 Turbo >=20 > From: Kelly Troyer > To: Rotary motors in aircraft > Sent: Sunday, September 11, 2011 11:10 AM > Subject: [FlyRotary] Re: Flywheel thickness ? >=20 > Tracy, > =20 > Here are the measurements of both the "ACT" and "F1" chrome-moly stee= l=20 > flywheels that I have..........All measurements are from the mounting face= of the > rear counterweight.......... > =20 > "F1" Flywheel (11.8 lbs before any additional machine work for lightening= )=20 > =20 > (1) =46rom counterweight to clutch disk surface 1.1= 15 in (28.321 mm) > (2) =46rom cter-wt to pressure plate/ring gear surface 1.100 i= n (27.940 mm) > (3) Flywheel thickness minus clutch disk surface 1.100 i= n (27.940 mm) > =20 > "ACT" Flywheels (Street-Lite 13.8 lbs/Pro-Lite 9.8 lbs before any additio= nal machine work for lightening) > =20 > (1) =46rom counterweight to clutch disk surface 1.1= 11 in (28.219 mm) > (2) =46rom cter-wt to pressure plate/ring gear surface 1.096= in (27.838 mm) > (3) Flywheel thickness minus clutch disk surface 1.096 i= n (27.838 mm) > = =20 > = =20 > =20 > Kelly Troyer=20 > "DYKE DELTA JD2" (Eventually) > "13B ROTARY"_ Engine > "RWS"_RD1C/EC2/EM2 > "MISTRAL"_Backplate/Oil Manifold > "TURBONETICS"_TO4E50 Turbo >=20 > From: Kelly Troyer > To: Rotary motors in aircraft > Sent: Thursday, September 8, 2011 6:48 PM > Subject: [FlyRotary] Re: Flywheel thickness ? >=20 > Tracy, > I will get the steel fly-wheel measurements and get back to you......= ........ > =20 > Kelly Troyer > "DYKE DELTA JD2" (Eventually) > "13B ROTARY"_ Engine > "RWS"_RD1C/EC2/EM2 > "MISTRAL"_Backplate/Oil Manifold > "TURBONETICS"_TO4E50 Turbo >=20 > From: Tracy > To: Rotary motors in aircraft > Sent: Thursday, September 8, 2011 3:20 PM > Subject: [FlyRotary] Flywheel thickness ? >=20 > Question for David, Kelly or anyone else playing with lightweight flywheel= s. I have one on the way but won't see it until I get back home in October.= I'm working on a new design to replace the stock flex plate and need to kn= ow the thickness of the lightweight flywheel. Every picture I see of them a= ppears to show an almost flat disk which would imply that there is MORE room= between it and the redrive adapter plate than there is for the flex plate w= hich has about a 1 1/4" dish in it. BUT, much of the discussion seems to i= mply that if anything, there is LESS. =20 >=20 > Anyone able to tell me the actual thickness of these aftermarket lightweig= ht flywheels? >=20 > I'm looking at the aluminum versions for weight reasons and also because t= he iron friction surface is removable ( for even less weight). =20 >=20 > Tracy >=20 > Sent from my iPad >=20 >=20 >=20 > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.= html >=20 >=20 >=20 >=20 >=20 >=20 --Apple-Mail-6-375592132 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8
Kelly,
    The= aluminum one I'm getting is 10.7 lbs but that is before removing the replac= eable iron friction surface.   Probably about 3 lbs for the iron piece b= ut just guessing.  I don't plan on removing much, if any, aluminum. &nb= sp; There is a LOT of in in the center area.

I'm th= inking we are over reacting on the strength issue.   The Ross drive use= d a custom aluminum flywheel that was just a plain 5/16"  or 3/8" thick= aluminum disk with steel ring gear.  Never heard of a problem with tha= t part. 

Tracy

Sent from my iPad
<= div>
On Sep 11, 2011, at 10:09 PM, Kelly Troyer <keltro@att.net> wrote:

Tracy,
   Curious a= s to the weight of the aluminum flywheel you are buying as most
=
I have seen are not m= uch if any lighter than the steel versions by virtue of
the the mass the= y must have for the needed strength to survive the rotational
forces put on them at= up to 10,000+ rpm in racing use..........I realize that our
A/C use will not = ;turn at these rpm's but you can only reduce weight so = much
without compromising s= tructural integrity............
 
Kelly Troyer
"DYKE DELTA JD2" (E= ventually)
"13B ROTARY"_ Engine
"RWS"_RD1C/EC2/EM2
"MISTRAL"_Backplate/Oil Manifold
"TURBONETICS"_TO4E50 Turb= o

From: Kelly Troyer <keltro@att.net>
To: Rotary motors i= n aircraft <flyrotary@lanc= aironline.net>
Sent: Sunday, September 11, 2011 11:10 AM
Subject: [FlyRotary] Re: Flywheel thickness ?

Tracy,
 
     Here are the measuremen= ts of both the "ACT" and "F1" chrome-= moly steel 
flywheels that I have..........All measurements a= re from the mounting face of the
rear counterweight..........
=
 
"F1" Flywheel  (11.8 lbs before any additio= nal machine work for lightening) 
 
(1) =46rom counterweight to clutch disk surface&= nbsp;            = ;           1.115 in = (28.321 mm)
(2) =46rom cter-wt to pressure plate/ring gear surface   &= nbsp;          1.100 in&nb= sp; (27.940 mm)
(3) Flywheel thickness minus clutch= disk surface          &nb= sp;        1.100 in  (27.9= 40 mm)
 
"ACT" Flywheels  (Street-Lite 13.8 lbs/Pro-Lite 9.8 lbs before any additio= nal machine work for lightening)
 
(1) =46rom counterweight to clutch disk surface&= nbsp;            = ;           1.111 in = (28.219 mm)
(2) =46rom cter-wt to pressure plate/ring gear surface    = ;           1.096 in = (27.838 mm)
(3) Flywheel thickness minus c= lutch disk surface         &nbs= p;          1.096 in  (27.= 838 mm)
           = ;            &nb= sp;            &= nbsp;            = ;            &nb= sp;            &= nbsp;            = ;       
           = ;            &nb= sp;            &= nbsp;            = ;            &nb= sp;            &= nbsp;            = ;            &nb= sp;
 
Kelly Troyer
"DYKE DELTA JD2" (Eventually)
"13B ROTARY"_ Engine
"RWS"_RD1C/EC2/EM2
"MISTRAL"_Back= plate/Oil Manifold
"TURBONETICS"_TO4E50 Tur= bo

= From: Kelly Troyer <keltro@att.net>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Thursday, September 8, 2011= 6:48 PM
Subject: [FlyRot= ary] Re: Flywheel thickness ?

Tracy,
     I will get the steel fly-wheel measureme= nts and get back to you..............
 
Kelly Troyer
"DYKE<= /span> DELTA JD2" (Eventually)
"13B ROTARY"_ Engine
"RWS= "_RD1C/EC2/EM2
"MISTRAL"_Backplate/Oil Manifold
"TURBONETICS"_TO4E50 Turbo

= From: Tracy <rwstracy@gmail.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
<= span style=3D"FONT-WEIGHT: bold">Sent: Thursday, September 8, 201= 1 3:20 PM
Subject: [FlyRo= tary] Flywheel thickness ?

Question for David, Kelly or anyone= else playing with lightweight flywheels.  I have one on the way but wo= n't see it until I get back home in October.  I'm working on a new desi= gn to replace the stock flex plate and need to know the thickness of the lig= htweight flywheel.  Every picture I see of them appears to show an almost flat d= isk which would imply that there is MORE room between it and the redrive  adapter plate than there is fo= r the flex plate which has about a 1 1/4" dish in it.  BUT,  much o= f the discussion seems to imply that if anything, there is LESS. 
<= br>Anyone able to tell me the actual thickness of these aftermarket lightwei= ght flywheels?

I'm looking at the aluminum versions for weight reason= s and also because the iron friction surface is removable ( for even less we= ight). 

Tracy

Sent from my = iPad



--
Homepage:  http://www.flyrotary.com/
Archive and UnSub:  http://mail.lancaironline.net:81/lists/flyrotary/List.html<= br>





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