X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from nm17-vm0.access.bullet.mail.sp2.yahoo.com ([98.139.44.168] verified) by logan.com (CommuniGate Pro SMTP 5.4.0) with SMTP id 5049603 for flyrotary@lancaironline.net; Tue, 12 Jul 2011 13:53:59 -0400 Received-SPF: none receiver=logan.com; client-ip=98.139.44.168; envelope-from=keltro@att.net Received: from [98.139.44.98] by nm17.access.bullet.mail.sp2.yahoo.com with NNFMP; 12 Jul 2011 17:53:23 -0000 Received: from [98.139.44.84] by tm3.access.bullet.mail.sp2.yahoo.com with NNFMP; 12 Jul 2011 17:53:23 -0000 Received: from [127.0.0.1] by omp1021.access.mail.sp2.yahoo.com with NNFMP; 12 Jul 2011 17:53:23 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 281423.70997.bm@omp1021.access.mail.sp2.yahoo.com Received: (qmail 52396 invoked by uid 60001); 12 Jul 2011 17:53:23 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=att.net; s=s1024; t=1310493203; bh=LVzlEXwg4aT3Pv+blC3aKNzNX1t12aSFMcqr36cmo2s=; 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Tue, 12 Jul 2011 10:53:22 PDT X-Mailer: YahooMailWebService/0.8.112.307740 References: Message-ID: <1310493202.50821.YahooMailNeo@web83902.mail.sp1.yahoo.com> Date: Tue, 12 Jul 2011 10:53:22 -0700 (PDT) From: Kelly Troyer Reply-To: Kelly Troyer Subject: Re: Fwd: RD-1B failure To: Rotary motors in aircraft MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="0-1351743980-1310493202=:50821" --0-1351743980-1310493202=:50821 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Dave,=0A=C2=A0=0A=C2=A0=C2=A0 Have you considered a lightweight aluminum or= steel racing flywheel that will=0Abolt right up to your existing counterwe= ight ??..................Link below is to Racing=0ABeat...........Mazdatrix= also has them as has other part suppliers.............You can=0Aprobably b= eat the prices from the two sources mentioned....................WHIW=0A=C2= =A0=0Ahttp://www.racingbeat.com/RX7-1986-1992/Flywheels.html=0A=C2=A0=0A=0A= Kelly Troyer=0A"DYKE DELTA JD2" (Eventually)=0A"13B ROTARY"_ Engine=0A"RWS"= _RD1C/EC2/EM2=0A"MISTRAL"_Backplate/Oil Manifold=0A"TURBONETICS"_TO4E50 Tur= bo=0A=0AFrom: David Leonard =0ATo: Rotary motors in ai= rcraft =0ASent: Tuesday, July 12, 2011 10:24 A= M=0ASubject: [FlyRotary] Re: Fwd: RD-1B failure=0A=0A=0ATracy,=0AWhat say y= ou about using the heavy manual transmission flywheel if I can get it mille= d and fitting?=0A=0A- =0ADavid Leonard=0A=0ATurbo Rotary RV-6 N4VY=0Ahttp:/= /N4VY.RotaryRoster.net=0Ahttp://RotaryRoster.net=0A=0A=0AOn Tue, Jul 12, 20= 11 at 5:31 AM, Tracy wrote:=0A=0AI don't think Hylomar= is a sealant and would not recommend it for use on the RD-1x drive. =C2=A0= Current instructions for the drive describe a recommended procedure for se= parating the drive from adapter plate. =C2=A0It also helps to put a light c= oat of oil and wipe off excess before assembly of the drive to adapter plat= e.=0A>=0A>=0A>Tracy=0A>=0A>Sent from my iPad=0A>=0A>On Jul 12, 2011, at 1:2= 2 AM, bktrub@aol.com wrote:=0A>=0A>=0A>Ask =C2=A0Tracy about using Hylomar = as a sealant. =0A>>=0A>>Brian Trubee=0A>>=0A>>=0A>>=0A>>=0A>>-----Original = Message-----=0A>>From: David Leonard =0A>>To: Rotary m= otors in aircraft =0A>>Sent: Mon, Jul 11, 2011= 10:15 pm=0A>>Subject: [FlyRotary] Re: Fwd: RD-1B failure=0A>>=0A>>=0A>>I t= ried to get into the gear box today, but ran into an impasse trying to get = the bell housing off the adapter plate...=C2=A0 I think I am done using RTV= there.=C2=A0 Will probably use a non-adhesive sealant - as long as Tracy s= ays we don't need the adhesion from the RTV.=0A>>=0A>>I did find another is= sue.=C2=A0 In addition to a likely fin failure inside the gear box, the fle= x plate is coming apart.=C2=A0 I found a piece of it in my cowl and it is t= earing in several places. Still seems to be tracking OK.=0A>>=0A>>You know,= I wouldn't mind the weight penalty of using the manual flywheel.=C2=A0 Wou= ld have to drill some holes to attach Tracy's torque plate, but it should o= therwise be an improvement for idle and pulse dampening.=C2=A0 But maybe gy= roscopic loads would be unacceptably high?=C2=A0 Maybe have to move and/or = replace the starter.=0A>>=0A>>Will try to get some pictures tomorrow.=0A>>= =0A>>-- =0A>>David Leonard=0A>>=0A>>Turbo Rotary RV-6 N4VY=0A>>http://N4VY.= RotaryRoster.net=0A>>http://RotaryRoster.net=0A>>=0A>>=0A>>On Mon, Jul 11, = 2011 at 11:51 AM, Mark Steitle wrote:=0A>>=0A>>Al, =0A= >>>=0A>>>My gearbox failure was approx. 1-1/2 years ago.=C2=A0 I attributed= =C2=A0the failure=C2=A0to a very rough running engine which=C2=A0was cured= =C2=A0with a mod to the EC-2 and CAS.=C2=A0 I was lucky that it happened on= the ground. =C2=A0(Ed can keep his "King of Dead Stick Landings" plaque, t= hank you!)=C2=A0 =0A>>>=0A>>>If I am correct, Tracy installed a 3/8" pin in= my input shaft.=C2=A0=C2=A0No failures since.=C2=A0 I now have approx. 200= hours on the engine/gearbox.=0A>>>Mark=0A>>>=0A>>>=0A>>>On Mon, Jul 11, 20= 11 at 10:23 AM, David Leonard wrote:=0A>>>=0A>>>From:= Al Gietzen =0A>>>>Date: Mon, Jul 11, 2011 at 8:17 AM= =0A>>>>Subject: RD-1B failure=0A>>>>To: Dave Leonard = =0A>>>>=0A>>>>=0A>>>>=0A>>>>Hi; Dave,=0A>>>>=C2=A0=0A>>>>I=E2=80=99m very t= hankful to hear that this occurred after landing.=0A>>>>=C2=A0=0A>>>>I=E2= =80=99ve been unable to post on the rotary engine list for months due to bl= ocking by Cox.=C2=A0 Perhaps you=E2=80=99d post this message on my behalf:= =0A>>>>=C2=A0=0A>>>>---The shear pin on the sun gear is the most likely can= didate since it was sized for a normally aspirated 13B. =C2=A0 After the fa= ilure on Marks 20B, I have changed the pin diameter=0A>>>>=C2=A0=0A>>>>Trac= y;=0A>>>>=C2=A0=0A>>>>Doesn=E2=80=99t this suggest that all 20B and 13B tur= bo should be upgraded to the larger pin? When was the failure on Mark=E2=80= =99s 20B?=0A>>>>=C2=A0=0A>>>>Al=0A>>>>---=C2=A0=0A>>>>=0A>>>=0A>>=0A>>=0A= =0A=0A- --0-1351743980-1310493202=:50821 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Dave= ,
 
   Have = you considered a lightweight aluminum or steel racing flywheel that will
bolt right up to your existing counterweight ??..= ................Link below is to Racing
Beat...........Mazda= trix also has them as has other part suppliers.............You can
probably beat the pr= ices from the two sources mentioned....................WHIW
 
 
 
Kelly Troyer
"DYKE DELTA JD2" (Eventually)
"13B ROTARY"_ Engine
"= RWS"_RD1C/EC2/EM2
"MISTRAL"_Backplate/Oil Manifold
"TURBONETICS"_TO4E50 Turb= o

From: David Leonard <wdleonard@gmail.com>
To: Rotary motors in aircraft <= flyrotary@lancaironline.net>
Sen= t: Tuesday, July 12, 2011 10:24 AM
Subject: [FlyRotary] Re: Fwd: RD-1B failure

Tracy,
What say you about using the heavy manual = transmission flywheel if I can get it milled and fitting?

-
Davi= d Leonard

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

On Tue, Jul 12, 2011 at 5:31 AM, Tracy= <rwstracy@gmail.com= > wrote:
I don't think Hylomar is a sealant and would not recommend it for use = on the RD-1x drive.   Current instructions for the drive describe a re= commended procedure for separating the drive from adapter plate.  It a= lso helps to put a light coat of oil and wipe off excess before assembly of= the drive to adapter plate.

Tracy

Sent from my iPad

On Jul 12, 2011, at 1:22 AM, bktrub@aol.co= m wrote:

Ask  Tracy about using Hylomar as a sealant.
 
Brian Trubee



-----Original Message-----
From: David L= eonard <wdleonard@gmail.com>To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Mon, Jul 11, 2011 10= :15 pm
Subject: [FlyRotary] Re: Fwd: RD-1B failure

I tried to get into the gear box today, but ran into an impasse trying= to get the bell housing off the adapter plate...  I think I am done u= sing RTV there.  Will probably use a non-adhesive sealant - as long as= Tracy says we don't need the adhesion from the RTV.

I did find anot= her issue.  In addition to a likely fin failure inside the gear box, t= he flex plate is coming apart.  I found a piece of it in my cowl and i= t is tearing in several places. Still seems to be tracking OK.

You k= now, I wouldn't mind the weight penalty of using the manual flywheel. = Would have to drill some holes to attach Tracy's torque plate, but it shou= ld otherwise be an improvement for idle and pulse dampening.  But mayb= e gyroscopic loads would be unacceptably high?  Maybe have to move and= /or replace the starter.

Will try to get some pictures tomorrow.
=
--
David Leonard

Turbo Rotary RV-6 N4VY
= ht= tp://N4VY.RotaryRoster.net
http://RotaryRoster.net

On Mon, Jul 11, 2011 at 11:51 AM, Mark= Steitle <msteitle@gmail.com> wrote:
Al,
 
My gearbox failure was approx. 1-1/2 years ago.  I attributed&nbs= p;the failure to a very rough running engine which was cured = ;with a mod to the EC-2 and CAS.  I was lucky that it happened on the = ground.  (Ed can keep his "King of Dead Stick Landings" plaque, thank = you!) 
 
If I am correct, Tracy installed a 3/8" pin in my input shaft. &n= bsp;No failures since.  I now have approx. 200 hours on the engine/gea= rbox.
 
Mark
On Mon, Jul 11, 2011 at 10:23 AM, Davi= d Leonard <wdleonard@gmail.com> wrote:
From: Al Gietzen <= ALVentures@cox.net>
Da= te: Mon, Jul 11, 2011 at 8:17 AM
Subject: RD-1B failure
To: Dave Leon= ard <wdleonard@gmail.com>


= Hi; Dave,
=  
= I=E2=80=99m very thankful to hear that this occurred after landing.<= /FONT>
=  
= I=E2=80=99ve been unable to post on the rotary engine list for months due t= o blocking by Cox.  Perhaps you=E2=80=99d post this message on my beha= lf:
=  
= ---The shear pin on the sun gear is the mos= t likely candidate since it was sized for a normally aspirated 13B.   = After the failure on Marks 20B, I have changed the pin diameter
 
Tracy;
 
Doesn=E2=80=99t this suggest that all 20B and 13B= turbo should be upgraded to the larger pin? When was the failure on Mark= =E2=80=99s 20B?
 
Al
--- 







-


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