X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from nm2-vm0.access.bullet.mail.sp2.yahoo.com ([98.139.44.158] verified) by logan.com (CommuniGate Pro SMTP 5.4c2o) with SMTP id 4890115 for flyrotary@lancaironline.net; Thu, 03 Mar 2011 23:26:22 -0500 Received-SPF: none receiver=logan.com; client-ip=98.139.44.158; envelope-from=keltro@att.net Received: from [98.139.44.101] by nm2.access.bullet.mail.sp2.yahoo.com with NNFMP; 04 Mar 2011 04:25:46 -0000 Received: from [98.139.44.87] by tm6.access.bullet.mail.sp2.yahoo.com with NNFMP; 04 Mar 2011 04:25:46 -0000 Received: from [127.0.0.1] by omp1024.access.mail.sp2.yahoo.com with NNFMP; 04 Mar 2011 04:25:46 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 945218.25452.bm@omp1024.access.mail.sp2.yahoo.com Received: (qmail 66140 invoked by uid 60001); 4 Mar 2011 04:25:46 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=att.net; s=s1024; t=1299212746; bh=wSCKzW8MeYINlFiRtEH4yICz7kjXob/0crf+GgO9WSM=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:MIME-Version:Content-Type; b=rop9V67WceL+D4pAxnO4kGH6HGBBisniHnRe0zTMZ60rW/QnBX14HyIBDEIlE5AUq9bwQ0sJdNAB0pudK4uI/HKHxjNls0mJl2raX2rnQDleG5sl2DN3VjD8U6EfJ/BttK6/jNvac0z4n5eEqhqOk1GajlQnHl6EH/+HfjAvqtE= DomainKey-Signature:a=rsa-sha1; q=dns; c=nofws; s=s1024; d=att.net; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:MIME-Version:Content-Type; b=o6hZGk0amTKSjVdp2ihhcpIHv0UHzxnNkrSENpxUKkmxF5syrm7ce9gOmB5jSzLmObycupjGR8CnxXipYPoeEKJjaFoUB2Bn922ray+5+vYMc4sKaYdf7O7mmRnrXo/4WTkwpKcavqVgbC1JkI3tL/A8G3yB0h8pyfCBIdA3exk=; Message-ID: <720571.65628.qm@web83902.mail.sp1.yahoo.com> X-YMail-OSG: YDWhI9MVM1lPMAyeOxuPQFoGT3K_WcRdB3l3uxWdOpjopRi OfgzCmliGNPvGlk6kZlglgTQNqp3xyEg42NiyIoGxRw6RJWn7KO77fXyyBFX MQ8OvlrW7pbEWJheYhCh5ZzDiLZZ4b4xntLU00vcxrOYSxtQ9N55LYemfMh. WzoyrqjxLrMfK2U1bkQkRiQXGHkZnrepIIe7TowkhqpwEibMMovHbhhshTG6 hsxjJHq7Br4DoT.ihjyHKETKo.kYuX7_kU9yMnwBIILQHjdPNjEk_pR.hDsu tJvvXsjU6g_HEhynHXV6u.9Fz3w-- Received: from [208.114.34.216] by web83902.mail.sp1.yahoo.com via HTTP; Thu, 03 Mar 2011 20:25:46 PST X-Mailer: YahooMailRC/559 YahooMailWebService/0.8.109.292656 Date: Thu, 3 Mar 2011 20:25:46 -0800 (PST) From: Kelly Troyer Subject: 20B Engine Model Codes To: Rotary motors in aircraft MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="0-1760445117-1299212746=:65628" --0-1760445117-1299212746=:65628 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Group,=0A=A0=A0=A0 Here=A0are the important 20B Engine Model Codes in one p= ost........Probably =0Ainfo to save =0A=0Afor those using or contemplating = a 20B in their project...........Thanks Thomas=0A=0AKelly Troyer=0A=0AFrom:= Thomas Giddings Add to Contacts =0ATo: Rotary mot= ors in aircraft =0A=0AFlyRotary] Re: Numbers?= =0A=0AHere is the second email I am quoting Brian Galloway> =0A=0A"We find = that the small dowel pin motors are weak. They crack sideplates easily =0Aw= hen pushed past 10-12psi boost which is at around 530HP.=A0=0A=0AThere is a= fix for this. =A0Cost about $2000.00 extra and the engine needs to be =0Ad= isassembled. We use the 12.7mm stud kit and bore and tap all the sidplates = to =0Aaccept the larger studs. Basically creating a girdle. The bock is bul= let proof =0Aafter this. We have one making over 1600HP at a little over 45= psi boost =0Apressure"=0A=0A=0AFrom: Thomas Giddings Add to Contacts =0ATo: Rotary motors in aircraft =0A________________________________=0A=0AHere you go everyone:=A0T= he engine should be stamped on all the rotor housings and =0Asideplates. Lo= ok on the top of the rotor housings where is says "Mazda 20B"=0A=0A=0APre A= code: 3 digit =A0numbers only, no letter=0AA code : Letter A and 3 digit #= =0AB code : Letter B and 3 digit #=0AAll of the above are small dowel pin l= and motors=0A=0AC code: letter C and 3 digit #=0AD code : letter D and 3 di= git #=0A=0AThe C and D code have the upgraded sideplates, thicker dowel pin= lands. Approx: =0A4mm thicker=0A=0A=0AOn Mar 3, 2011, at 8:34 PM, Kelly Tr= oyer wrote:=0A=0AThomas,=0A>=A0=A0=A0=A0 Share some of your new found info = on the 20B with the group............=0A>=0A=0A____________________________= ____=0AFrom: Thomas Giddings =0ATo: Rotary motors = in aircraft =0ASent: Thu, March 3, 2011 5:23:1= 5 PM=0ASubject: [FlyRotary] Re: Numbers?=0A=0AThanks Kelley....Your right..= .Brian knows his stuff...I have a very early 20B =0A=0A=0ATom=0A=0A=0AOn Ma= r 3, 2011, at 3:53 PM, Kelly Troyer wrote:=0A=0AThomas,=0A>=A0=A0=A0=A0 Try= Brian Galloway in Calif.........He deals in Mazda parts and is very =0A>kn= owledgeable in=0A>the 20B models and the differences between them.........I= mprovements were made =0A>in the=0A>year models............For our use in a= ircraft the upgrades probably are not as =0A>important as=0A>we are not sev= erely stressing our engines like the racers (Auto) do.........I do =0A>know= that the=0A>later model 20B's sell at a premium...........The last time I = corresponded with =0A>him he had=0A>both early and late 20B's for=A0sale...= .........I bought a 20B auto trans bell =0A>housing from him=0A>(My 13B "Co= smo" uses it between Tracy's=A0RD1C and engine like "Bulent" of this =0A>gr= oup=0A>.....See=A0photo) attached)..........FWIW=0A>=0A>Brian Galloway --0-1760445117-1299212746=:65628 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable
=0A
Group,
=0A
  &nbs= p; Here are the important 20B Engine Model Codes in one post........Pr= obably info to save
=0A
for those using or contemplating a 20B in= their project...........Thanks Thomas
=0A
 
=0A
Kel= ly Troyer
=0A
 
=0A
=0A=0A=0A=0A=0A=0A=0A=0A
From:=0A
=0A
Thomas Giddings <tom@midwestaviatio= n.net>
Add to Contacts
To:Rotary motors in aircraft <flyrotary@lancaironline.net= >
=0A
 
=0A
FlyR= otary] Re: Numbers?
=0A
 
=0A
Here is the second ema= il I am quoting Brian Galloway> =0A

"We find that the small dowe= l pin motors are weak. They crack sideplates easily when pushed past 10-12p= si boost which is at around 530HP. 

There is a fix for this. &n= bsp;Cost about $2000.00 extra and the engine needs to be disassembled. We u= se the 12.7mm stud kit and bore and tap all the sidplates to accept the lar= ger studs. Basically creating a girdle. The bock is bullet proof after this= . We have one making over 1600HP at a little over 45psi boost pressure"
=0A
 
=0A
 
=0A
=0A
=0A=0A=0A=0A=0A=0A=0A=0A
From:= =0A
=0A
Thomas Giddings <tom@midwestaviation.net>
Add to Contacts
To:Rotary motors in aircraft <fly= rotary@lancaironline.net> =0A
= =0A
=0A=0A
=0A=0AHere you go ever= yone: The engine should be stamped on all the rotor housings and sidep= lates. Look on the top of the rotor housings where is says "Mazda 20B"
<= BR>
Pre A code: 3 digit  numbers only, no letter
A code : Letter= A and 3 digit #
B code : Letter B and 3 digit #
All of the above are= small dowel pin land motors

C code: letter C and 3 digit #
D cod= e : letter D and 3 digit #

The C and D code have the upgraded sidepl= ates, thicker dowel pin lands. Approx: 4mm thicker

=0A
=0A
<= SPAN style=3D"BORDER-BOTTOM: #366388 2px dotted; BACKGROUND: none transpare= nt scroll repeat 0% 0%; CURSOR: hand" id=3Dlw_1299211581_0 class=3Dyshortcu= ts>On Mar 3, 2011, at 8:34 PM, Kelly Troyer wrote:

=0A
=0A
=0A
=0A
=0A
Thomas,
=0A
     Share some of you= r new found info on the 20B with the group............
=0A
=0A=0AFrom: Thomas G= iddings <tom@midwestaviation.net>
To: Ro= tary motors in aircraft <flyr= otary@lancaironline.net>
Sent: Thu, March 3, 2011 5:23:15 PM
Subject: [FlyRotary] Re: Numbers?

Thanks Kelley....Your right...Brian knows his stuff...I have a very = early 20B
=0A
=0A
=0A
=0A

=0A
Tom
=0A
=0A
On Mar 3, 2011, at 3:53 PM, Kelly Troyer wrote:

=0A
=0A
=0A
=0A
=0A
Thom= as,
=0A
     Try Brian G= alloway in Calif.........He deals in Mazda parts and is very knowledgeable = in
=0A
the 20B models and the differences be= tween them.........Improvements were made in the
=0A
year models............For our use in aircraft the upgrades probab= ly are not as important as
=0A
we are not se= verely stressing our engines like the racers (Auto) do.........I do know th= at the
=0A
later model 20B's sell at a premi= um...........The last time I corresponded with him he had
=0A
both early and late 20B's for sale............I boug= ht a 20B auto trans bell housing from him
=0A
.....See photo) att= ached)..........FWIW
=0A
 
=0ABrian Galloway <ss427b= b@hotmail.com>
--0-1760445117-1299212746=:65628--