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bh=RKQANGHz/pNj7hd9tObuBYt5rBLx2NIKqO/Hkyy4AOc=; h=X-YMail-OSG:Received:X-Mailer:References:Message-ID:Date:From:Reply-To:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=DZ9aP3TaOnt1D8fVTXPms9qmENKxwqN6lZg3EnOVH86x1hOcHbvjaBTj0f6L+LY//z1+4qWekhlbBM62wvXwAlttDTO5ylfGnswIQ6zApukR8O1KFnjhZKE15OP5sT7RBMJSNpHKLxakxxXgCBmGOAWyoXamr5CT8GyHuadc/+4= DomainKey-Signature:a=rsa-sha1; q=dns; c=nofws; s=s1024; d=att.net; h=X-YMail-OSG:Received:X-Mailer:References:Message-ID:Date:From:Reply-To:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=5RyNugDTUTV4XhV4/LW0opqqcNgYLcm2VMmU3xq03RUS4WKgCr+MUR4xxhFVor6c9cJ62x7rJ81ZJvHskw5cYNEfRaexCjdlY8n3cz3K8qOCf/38sd3gRM4N/Puqo2s9Hx/VDNTgMZ3OHfqYi1oWAfJ5wRC6XwHk6Ci2du9gdzc=; X-YMail-OSG: dOvXkKAVM1kGjt7YgOnwvOB6_..uzrU6QDtmURVnplCVEGD p.ezuFsT7mvbbd5dCJkORmMpW8ncFSN9_AykW4cBBcKsYGvgI1ONAZVEmclM Y_jBTxA5ZazDgSpYOuzHn_bi5VlroHYOCR00o4rQtRPVE4NV7Wfxss6iDEoH C7eDeUrcULZ1vbUd0cJj_aiEhc7lyCUjAKYr7PsIaUqMZQh_YdUUP1PIXRgT r.qgi2T7vrz1KxMMGVc_AcsryfIIGQMtBDL2zS053DVMPsd1rcTOvA5NRdHX 5uGzsv9kAKxsccRMai0zX0_xOYng6UKym84X5Wuh2A.W2OxJR0lLJNzSNYi7 2CkVpNE2y_1.sU8sBv3VUdmhFWH2nSW2cwlxyoQ5kVxpST6q11OxR_Qs4yRK _adtpIc.rAcNU8xWQ_3qZTxwLGjmg9ChJHT9UxxUpHtfdaywUGHbO7IlmwvW fUMqiogeiefvFKbzTk6WWH32pQC8oKi8SZI43OGtT_uyj46UF4oJhh9q2GWa wOYSIvG_oM4XVCqpBgs5ILJFyAHnyHEeretSXjAruLXNJK5OFPXKXm544na2 qj...V9juW9MKdEGGvNKz0tCdxGRWvugq6Y5KJiS2sVts4h_ZMMW8l_Y8wUq XgA8eiXW0OuYGFPowgPDmokXczMYB35iyEx76Z9uH.LRx5cQkGdC.aUVDbaO MLQ.A1zbvqdI- Received: from [208.114.39.18] by web83906.mail.sp1.yahoo.com via HTTP; Mon, 18 Jul 2011 21:14:04 PDT X-Mailer: YahooMailWebService/0.8.112.307740 References: Message-ID: <1311048844.86129.YahooMailNeo@web83906.mail.sp1.yahoo.com> Date: Mon, 18 Jul 2011 21:14:04 -0700 (PDT) From: Kelly Troyer Reply-To: Kelly Troyer Subject: Ok Here are the important flywheel measurements To: Rotary motors in aircraft In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="0-776724264-1311048844=:86129" --0-776724264-1311048844=:86129 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Dave,=0A=A0=0A=A0=A0 So adding the RD1X mount plate thickness 0.500 (1/2 in= ch)=A0we have a measurement of approx 2.254 inch...........Tracy=0Acalls fo= r a 1986 NA=A0(86 to 91 are the same) manual transmission starter..........= ...I do=A0not know exactly what=A0difference=A0the =0Aturbo starter has exc= ept the turbo flywheel and automatic flex-plate are slightly larger in diam= eter and have more ring gear =0Ateeth=A0than the 86-91 NA manual flywheel..= ..............There was no turbo engine offered until 1987.............I sh= ould have the=0Aturbo starter in a few days so we can decide if it will be = about 0.375 in longer=A0from mounting=A0flange to end of the starter =0Agea= r teeth when activated by the solenoid..............Cross your fingers !!..= ..........<:)=A0=0A=A0=0A=0AKelly Troyer=0A"DYKE DELTA JD2" (Eventually)=0A= "13B ROTARY"_ Engine=0A"RWS"_RD1C/EC2/EM2=0A"MISTRAL"_Backplate/Oil Manifol= d=0A"TURBONETICS"_TO4E50 Turbo=0A=0AFrom: David Leonard =0ATo: Rotary motors in aircraft =0ASent: Mo= nday, July 18, 2011 9:34 PM=0ASubject: [FlyRotary] Re: Ok Here are the impo= rtant flywheel measurements=0A=0A=0AKelly, here is the starter measurement.= This is the starter that Tracy recommends, I forget which one that is. =A0= From the engine side of the mounting flange, to the far end of the tear too= th, I measure 1.754 - give or take. =0A=0A--=A0=0ADavid Leonard=0A=0ATurbo = Rotary RV-6 N4VY=0Ahttp://N4VY.RotaryRoster.net=0Ahttp://RotaryRoster.net= =0A=0A=0AOn Mon, Jul 18, 2011 at 6:16 PM, Kelly Troyer wro= te:=0A=0ADave,=0A>=A0=A0 While they are at it have them turn the pressure p= late surface down to the pressure plate mounting=0A>level so all of the rub= ber osolator is on a flat surface without a 0.018 step at the outer edge...= ....Or=0A>you could put a washer under the drive plate (like the top washer= )............But this would put the drive=0A>plate further forward on the i= nput shaft splines the thickness of the washer..........I do not khow if th= is=0A>would pose a problem or not...........=0A>=0A>Kelly Troyer=0A>"DYKE D= ELTA JD2" (Eventually)=0A>"13B ROTARY"_ Engine=0A>"RWS"_RD1C/EC2/EM2=0A>"MI= STRAL"_Backplate/Oil Manifold=0A>"TURBONETICS"_TO4E50 Turbo=0A>=0A>=0A>From= : David Leonard =0A>To: Rotary motors in aircraft =0A>Sent: Monday, July 18, 2011 7:55 PM=0A>Subject= : [FlyRotary] Re: Ok Here are the important flywheel measurements=0A>=0A>= =0A>Well,=A0 NOW you tell me...=A0 :-)=A0=A0 Yea, that was going to be an i= ssues reguardless of which solution we chose.=A0 I think I will bring mine = to a machine shop and let them figure it out=A0 :-)=0A>=0A>-- =0A>David Leo= nard=0A>=0A>Turbo Rotary RV-6 N4VY=0A>http://N4VY.RotaryRoster.net=0A>http:= //RotaryRoster.net=0A>=0A>=0A>=0A>On Mon, Jul 18, 2011 at 4:49 PM, Kelly Tr= oyer wrote:=0A>=0A>Dave,=0A>>=A0=0A>>=A0=A0 Forgot to add = that there are 3 clutch pressure plate locating dowels in the flywheel.....= ....You=0A>>will have to knock these out with a punch as their position wil= l not let you properly center the =0A>>RD1X drive plate and will not let th= e drive plate "Float" properly..............I have not come up =0A>>with a = method yet to center the drive plate with the absolute accuracy needed=A0fo= r drilling the=0A>>flywheel for the drive plate attach bolts...........Mayb= e some of the group with more=A0machinists=0A>>skills than I can make a rec= ommendation=A0!!..................Also the rear of the attach bolt holes=0A= >>will need to be spotfaced to provide a flat surface for the bolt head or = nut and washer=A0 from=0A>>what I have observed on the backside of my flywh= eel........................<:)=A0=A0=0A>>=0A>>Kelly Troyer=0A>>"DYKE DELTA = JD2" (Eventually)=0A>>"13B ROTARY"_ Engine=0A>>"RWS"_RD1C/EC2/EM2=0A>>"MIST= RAL"_Backplate/Oil Manifold=0A>>"TURBONETICS"_TO4E50 Turbo=0A>>=0A>>=0A>>Fr= om: Kelly Troyer =0A>>To: Rotary motors in aircraft =0A>>Sent: Monday, July 18, 2011 6:29 PM=0A>>Subject:= [FlyRotary] Ok Here are the important flywheel measurements=0A>>=0A>>=0A>>= Dave,=0A>>=A0=A0 The link attached shows the prolite version (9.8 lbs) on t= he left in the photo.............Do you have=A0your starter flange=0A>>to g= ear measurement=A0handy as my RD1X starter=A0(not the turbo model)=A0is 55 = miles away at the moment...........=A0=0A>>=A0http://www2.advancedclutch.co= m/products/xact_flywheels.aspx=0A>>=0A>>Kelly Troyer=0A>>"DYKE DELTA JD2" (= Eventually)=0A>>"13B ROTARY"_ Engine=0A>>"RWS"_RD1C/EC2/EM2=0A>>"MISTRAL"_B= ackplate/Oil Manifold=0A>>"TURBONETICS"_TO4E50 Turbo=0A>>=0A>>=0A>>From: Da= vid Leonard =0A>>To: Rotary motors in aircraft =0A>>Sent: Monday, July 18, 2011 6:18 PM=0A>>Subject:= [FlyRotary] Re: Ok Here are the important flywheel measurements=0A>>=0A>>= =0A>>OK Kelly,=0A>>=0A>>Thanks to all your hard work and research, I have o= rdered up the Prolite 9.8 lb version of this.=A0 Decided that I was done wi= th the flex plates.=A0 Thanks for locating a great price.=A0 I am a little = nervous that the picture does not look right, but I guess I can always retu= rn it.=0A>>Like you, I figure we will solve the starter issue one way or an= other.=0A>>=0A>>-- =0A>>David Leonard=0A>>=0A>>Turbo Rotary RV-6 N4VY=0A>>h= ttp://N4VY.RotaryRoster.net=0A>>http://RotaryRoster.net=0A>>=0A>>=0A>>=0A>>= On Sat, Jul 16, 2011 at 2:21 PM, Kelly Troyer wrote:=0A>>= =0A>>Dave and All,=0A>>>=A0=0A>>>=A0=A0=A0=A0=A0=A0=A0=A0=A0 Ok Dave the "A= CT" "Streetlite" 13.8 lb flywheel was just delivered and I am in process of= taking=0A>>>your measurements to see where we stand................This fl= ywheel is a thing of beauty (to a RotorHead)=0A>>>and my RD1C drive plate w= ill bolt to it with no problem (through drill and spotface the rear of the = flywheel=0A>>>because it has a slight taper in that area).............I jus= t have to verify just where the RD1C drive splines =0A>>>will be positioned= (fore and aft) on the input shaft compared to the RX7 flexplate...........= ..The clutch plate=0A>>>friction area is slightly raised (about 0.065) abov= e the clutch mount area and I would probably take it=0A>>>down tto the clut= ch level (probably not necessary but would reduce weight slightly..........= ...I have a 93-95=0A>>>Turbo starter on the way (should take care of starte= r mesh problem)..............If you are interested I can=0A>>>guide you to = another 93-95 starter (used $49.00 with/shipping) if it is still for sale..= ...........=0A>>>=A0=A0=A0=A0=A0=A0=A0 One other thing at this time........= ......The lighter 9.8 lb version may be usable but it is listed as 116=0A>>= >ring gear teeth and I have not found out what its diameter is and what sta= rter would be used with it......=0A>>>=A0=A0=A0=A0=A0=A0=A0 I suspect it ma= y be the diameter of the NA 13B flywheels and may use the 86-91=A0NA manual= trans=0A>>>starter............You need to talk to the manufacturer........= ..They are in Lancaster, Calif............The 9.8 lb=0A>>>version is a litt= le more expensive due to more extensive machine work to reduce weight......= .......See the=0A>>>link below............The link to THMotorsports has the= best price I have found on the 9.8 lb flywheel......The=0A>>>photo on thei= r page is not the Rotary 9.8 lb version...........=A0=0A>>>=A0=0A>>>http://= www2.advancedclutch.com/products/xact_flywheels.aspx=0A>>>=A0=0A>>>=A0=0A>>= >http://thmotorsports.com/act/act_flywheel_prolite/600140/i-47718.aspx=0A>>= >=0A>>>Kelly Troyer=0A>>>"DYKE DELTA JD2" (Eventually)=0A>>>"13B ROTARY"_ E= ngine=0A>>>"RWS"_RD1C/EC2/EM2=0A>>>"MISTRAL"_Backplate/Oil Manifold=0A>>>"T= URBONETICS"_TO4E50 Turbo=0A>>>=0A>>>=0A>>>From: Kelly Troyer =0A>>>To: Rotary motors in aircraft =0A>>>Se= nt: Friday, July 15, 2011 12:34 PM=0A>>>Subject: [FlyRotary] Re: Ok Here ar= e the important flywheel measurements=0A>>>=0A>>>=0A>>>Dave and All,=0A>>>= =A0=0A>>>=A0=A0=A0=A0=A0=A0=A0=A0 Sounds encourageing...............Replaci= ng the starter with turbo model would seem to be=0A>>>least expensive and s= afer than adding additional ring gear + welding..............I also echo wh= at=0A>>>Bill and Bobby have said concerning the Al Wick fix and getting Tra= cy's thoughts about cause=0A>>>of problem and perhaps need for periodic ins= pection and/or rubber=A0isolator replacement........=A0=0A>>>=0A>>>Kelly Tr= oyer=0A>>>"DYKE DELTA JD2" (Eventually)=0A>>>"13B ROTARY"_ Engine=0A>>>"RWS= "_RD1C/EC2/EM2=0A>>>"MISTRAL"_Backplate/Oil Manifold=0A>>>"TURBONETICS"_TO4= E50 Turbo=0A>>>=0A>>>=0A>>>From: David Leonard =0A>>>T= o: Rotary motors in aircraft =0A>>>Sent: Thurs= day, July 14, 2011 11:41 PM=0A>>>Subject: [FlyRotary] Ok Here are the impor= tant flywheel measurements=0A>>>=0A>>>=0A>>>I finally got to the hangar and= measured out my S5 turbo flywheel and the remains of my S5 flexplate.=A0 T= he results are very encouraging, even as good as the possibly could be to m= ake 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.=A0 The height measurements of the flex plate were = particularly suspect because, well, mine is all warped and broken.=0A>>>=0A= >>>Ring Gear Diameter - Perfect fit.=A0 As we suspected, same size, same to= oth spacing.=0A>>>=0A>>>Ring Gear Fore-Aft Placement - As measured from the= underside of the big nut. (for all further reference, aft means aft in the= CAR).=A0 The flex plate puts the aft side of the ring gear 1.290 inches fr= om the front of the big nut. The flywheel puts it 0.913.=A0 So the flex pla= te puts the ring gear (appx) 0.377 in. further aft.=A0 This is actually for= tuitous because it just so happens that the ring gear thickness is .365 ...= =A0=A0=A0 So all we have to do to fix the discrepancy is weld and extra rin= g gears onto to the flywheel ring gear and there will be teeth that the sta= rter can reach:(bottom of the page.. the cost $80)=0A>>>http://mazdatrix.co= m/flywheel.htm=0A>>>It may also be possible to fix the discrepancy by chang= ing the starter... will look into that.=0A>>>=0A>>>Damper Plate Placement -= On the flywheel, the mounting surface is proud (or aft) of the ring gear.= =A0 On the flex plate, the mounting surface is recessed (or forward) from t= he ring gear. A=0A>>>nd it all pretty much works out.=A0 That position on t= he 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-wo= rn) flywheel the placement was 0.965 while the flex plate was 0.950.=A0 Pre= tty damn close and given measurement error it might me meant to be right on= .=A0 Or, any difference could be made up by trimming down the spline on the= damper plate or removing or adding spacers between the two.=0A>>>=0A>>>So = in my mind, a flywheel is the way to go.=A0 Stout, easy to get, pick your w= eight, only mods seem to be drilling the mounting holes and welding on a se= cond gear ring.=0A>>>=0A>>>-- =0A>>>David Leonard=0A>>>=0A>>>Turbo Rotary R= V-6 N4VY=0A>>>http://N4VY.RotaryRoster.net=0A>>>http://RotaryRoster.net=0A>= >>=0A>>>=0A>>>=0A>>>=0A>>>=0A>>=0A>>=0A>>=0A>>=0A>>=0A>>=0A>>=0A>=0A>=0A>= =0A>=0A> --0-776724264-1311048844=:86129 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable
Dave,
 
   So addi= ng the RD1X mount plate thickness 0.500 (1/2 inch) we have a measureme= nt of approx 2.254 inch...........Tracy
calls for a 1986 NA&= nbsp;(86 to 91 are the same) manual transmission starter.............I do&n= bsp;not know exactly what difference the
turbo starter has ex= cept the turbo flywheel and automatic flex-plate are sli= ghtly larger in diameter and have more ring gear
teeth than the = 86-91 NA manual flywheel................There was no turbo engine offered <= SPAN style=3D"RIGHT: auto" id=3Dmisspell-1>until 1987..= ...........I should have the
turbo starter in a f= ew days so we can decide if it will be about 0.375 in longer from moun= ting flange to end of the starter
gear teeth when activated by the solenoid..............Cross= your fingers !!............<:) 
 
 
Kelly Troyer
"= DYKE DELTA JD2" (Eventually)
"13B ROTARY"_ Engine
"RWS"_RD1C/EC2/EM2
"MISTRAL"_Backplate/Oil Manifold
"TURBONETICS"_TO4E50 Turbo

From:= David Leonard <wdleonard@gmail.com>
To: Rotary motors in aircraft <flyrotary@l= ancaironline.net>
Sent: Monday, July 18, 2011 9:34 PM
Su= bject: [FlyRotary] Re: Ok Here are the important flywheel measurements

Kelly, here is the starter measurement. This is the = starter that Tracy recommends, I forget which one that is.  From the e= ngine side of the mounting flange, to the far end of the tear tooth, I meas= ure 1.754 - give or take.=20

-- 
David Leonard

Turbo Rotary RV-6 N4VY
http://N4VY.RotaryRoster.net
http://RotaryRost= er.net

On Mon, Jul 18, 2011 at 6:16 PM, Kelly= Troyer <keltro@att.net><= /SPAN> wrote:
Dave,
   While they are at it have them turn the pressure pl= ate surface down to the pressure plate mounting
level so all of the rubber o= solator is on a flat surface without a 0.018 step at the outer edge.= ......Or
you could put a washer under the drive plate (like the top washe= r)............But this would put the drive
plate further forward on the input shaft splines the thickness o= f the washer..........I do not khow if this
would pose= a problem or not...........
 
Kelly Troyer
"DYKE DELTA JD2" (Eventually)
"13B ROTARY"_ Engine
"RWS"_RD1C/EC2/EM2
"MISTRAL"_Backplate<= /SPAN>/Oil Manifold
"TURBONETICS"_TO4E50 Turbo<= /DIV>

From: David Leonard <wdleonard@gmail.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Monday, July 18, 2011 7:55 PMSubject: [FlyRotary] Re: = Ok Here are the important flywhe= el measurements

Well,  NOW you tell me...  :-)   Yea, that was goi= ng to be an issues reguardless o= f which solution we chose.  I think I will bring mine to a machine sho= p and let them figure it out  :-)
 
--
David Leonard

Turbo Rotary RV-6 N4VY
http://N4VY.RotaryRoster.net
http://RotaryRoster.n= et


On Mon, Jul 18, 2011 at 4:49 PM, Kelly Troyer <keltro@att.net> wrote:
Dave,
 
   Forgot to add that there are 3 clutch pressure plat= e locating dowels in the flywheel.........You
will have to knock these out with a punch as their position will= not let you properly center the
RD1X drive plate and will not let the drive plate "Float" proper= ly..............I have not come up
with a method yet to center the drive plate with the absolute ac= curacy needed for drilling the
flywheel for the drive plate attach bolts...........Maybe some o= f the group with more machinists
skills than I can make a recommendation !!.....= .............Also the rear of the attach bolt holes
will need to be spotfaced to provide a flat surface for the bolt head= or nut and washer  from
what I have observed on the backside of my flywheel.= .......................<:)  
 
Kelly Troyer
"DYKE DELTA JD2" (Ev= entually)
"13B ROTARY"_ Engine
"RWS"_RD1C/EC2/EM2
"MISTRAL"_Backplate/Oil Manifold
"TURBONETICS"_TO4E50 Turbo

From: Kelly Troyer <keltro@att.net>
To:= Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Monday, July 18, 2011 6:29 PM
Subject: [FlyRotary] Ok Here are the important = flywheel measurements

Dave,
   The link attached shows the prolite version (9.8 lbs) on = the left in the photo.............Do you have your starter flange
to gear measurement handy as my RD1X starter (not the = turbo model) is 55 miles away at the moment........... = ;
 
 
Kelly Troyer
"DYKE DELTA JD2" (Ev= entually)
"13B ROTARY"_ Engine
"RWS"_RD1C/EC2/EM2
"MISTRAL"_Backplate/Oil Manifold
"TURBONETICS"_TO4E50 Turbo

From: David Leonard <wdleonard@gmail.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Monday, July 18, 2011 6:18 PMSubject: [FlyRotary] Re: = Ok Her= e are the important flywheel measurements

OK Kelly,
 
Thanks to all your hard work and research, I have ordered up the Prolite 9.8= lb version of this.  Decided that I was done with the flex plates.&nb= sp; Thanks for locating a great price.  I am a little nervous that the= picture does not look right, but I guess I can always return it.
Like you, I figure we will solve the starter issue one way or another.=
 
--
David Leonard

Turbo Rotary RV-6 N4VY
http://N4VY.RotaryRost= er.net
http://RotaryRoster.net


On Sat, Jul 16, 2011 at 2:21 PM, Kelly Troyer <keltro@att.net> wrote:
Dave and All,
 
          Ok Dave the "AC= T" "Streetlite" 13.8 lb flywheel was just delivered and I am in process of taking=
your measurements to see where we stand................This flyw= heel is a thing of beauty (to a RotorHead)
and my RD1C drive plate will bolt to it with no problem (through= drill and spotface<= /SPAN> the rear of the flywheel
because it has a slight taper in that area).............I just h= ave to verify just where the RD1C drive splines
will be positioned (fore and aft) on the input shaft compared to= the RX7 flexplate.............The clutch plate
friction area is slightly raised (about 0.065) above the clutch = mount area and I would probably take it
down tto<= /SPAN> the clutch level (probably not necessary but would reduce wei= ght slightly.............I have a 93-95
Turbo starter on the way (should take care of starter mesh probl= em)..............If you are interested I can
guide you to another 93-95 starter (used $49.00 with/shipping) i= f it is still for sale.............
        One other thing at th= is time..............The lighter 9.8 lb version may be usable but it is lis= ted as 116
ring gear teeth and I have not found out what its diameter is an= d what starter would be used with it......
        I suspect it may be t= he diameter of the NA 13B flywheels and may use the 86-91 NA manual tr= ans
starter............You need to talk to the manufacturer.........= .They are in Lancaster, Calif............The 9.8 lb
version is a little more expensive due to more extensive machine= work to reduce weight.............See the
link below............The link to THMotorsports has the best price I h= ave found on the 9.8 lb flywheel......The
photo on their page is not the Rotary 9.8 lb version...........&= nbsp;
 
 
 
 
Kelly Troyer
"DYKE DELTA JD2" (Ev= entually)
"13B ROTARY"_ Engine
"RWS"_RD1C/EC2/EM2
"MISTRAL"_Backplate/Oil Manifold
"TURBONETICS"_TO4E50 Turbo

From: Kelly Troyer <keltro@att.net>
To:= Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Friday, July 15, 2011 12:34 PM
Subject: [FlyRotary] Re: Ok Here are the impor= tant flywheel measurements

Dave and All,
 
         Sounds encourageing..= .............Replacing the starter with turbo model would seem to be=
least expensive and safer than adding additional ring gear + wel= ding..............I also echo what
Bill and Bobby have said concerning the Al Wick fix and getting = Tracy's thoughts about cause
of problem and perhaps need for periodic inspection and/or rubbe= r isolator replacement........ 
 
Kelly Troyer
"DYKE DELTA JD2" (Ev= entually)
"13B ROTARY"_ Engine
"RWS"_RD1C/EC2/EM2
"MISTRAL"_Backplate/Oil Manifold
"TURBONETICS"_TO4E50 Turbo

From: David Leonard <wdleonard@gmail.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Thursday, July 14, 2011 11:41 P= M
Subject: [FlyRotary] <= SPAN>Ok Here= are the important flywheel measurements

I finally got to the hangar and measured out my S5 turbo flywheel and = the remains of my S5 flexpl= ate.  The results are very encouraging, even as g= ood as the possibly could be to make the swap, but I only had ten min at th= e 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, min= e 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. (fo= r all further reference, aft means aft in the CAR).  The flex plate pu= ts 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 al= l 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<= /A>
It may also be possible to fix the discrepancy by changing the start= er... will look into that.

Damper Plate Placement - On the fl= ywheel, the mounting surface is proud (or aft) of the ring gear.  On t= he flex plate, the mounting surface is recessed (or forward) from the ring = gear. A




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