X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost04.isp.att.net ([204.127.217.104] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3889541 for flyrotary@lancaironline.net; Sat, 17 Oct 2009 21:15:48 -0400 Received-SPF: none receiver=logan.com; client-ip=204.127.217.104; envelope-from=keltro@att.net DKIM-Signature: v=1; q=dns/txt; d=att.net; s=dkim01; i=keltro@att.net; a=rsa-sha256; c=relaxed/relaxed; t=1255828549; h=Content-Type: MIME-Version:Message-Id:Date:Subject:To:From; bh=7Z234Ejl87Yp9Xwqi3 pGqKh0VoLNYF5CK8auDN/rWPM=; b=bczmDrgLvP4jRymNX1f7XVSAIEke+7ihdh5S4 O3dOJDHiN9vrpfo4aAVQL4dInsYu3v30/UHwKirXSMa3tfEHQ== Received: from fwebmail30.isp.att.net ([204.127.218.130]) by isp.att.net (frfwmhc04) with SMTP id <20091018011512H0400g4tete>; Sun, 18 Oct 2009 01:15:12 +0000 X-Originating-IP: [204.127.218.130] Received: from [208.114.41.58] by fwebmail30.isp.att.net; Sun, 18 Oct 2009 01:15:12 +0000 From: "Kelly Troyer" To: "Rotary motors in aircraft" Subject: Mixing parts Date: Sun, 18 Oct 2009 01:15:12 +0000 Message-Id: <101820090115.24836.4ADA6C1F000CB6110000610422243651029B0A02D29B9B0EBF019D9B040A05@att.net> X-Mailer: AT&T Message Center Version 1 (Mar 2 2009) X-Authenticated-Sender: a2VsdHJvQGF0dC5uZXQ= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="NextPart_Webmail_9m3u9jl4l_24836_1255828512_0" --NextPart_Webmail_9m3u9jl4l_24836_1255828512_0 Content-Type: text/plain Content-Transfer-Encoding: 8bit Joe, The answer is "It Depends"...............The early 89 engines had the same weight rotors and counterweights as the 86 to 88 engines.............The answer is the rotors combustion chamber "dish".........The 86 to 88 1/2 rotors have a slightly rough (As Cast) finish where as the 89 1/2 to 91 rotors have a "Machined "combustion dish finish.............. If your "89" rotors are late (machined combustion dish) then 89 rear counterweight will not work with your 86-88 rotors............. If your "89" rotors are early (rough combustion dish) then the 89 rear counterweight will work with your 86-88 rotors............... See attachment........... Rotors-IdentifyingS4S5NA.jpg -- Kelly Troyer "Dyke Delta"_13B ROTARY Engine "RWS"_RD1C/EC2/EM2 "Mistral"_Backplate/Oil Manifold -------------- Original message from "josrph berki" : -------------- > I am trying to build up a motor from two. One is an 89 that ate an apex > seal and took out the front rotor and rotor housing. The second motor is a > 86 to 88 with rotor housings that look worn and I practiced P Porting on > them. My question is that I will get another 89 rotor housing use the 86 to > 88 rotors and Eshaft, front counter weight what flex plate and counterweight > will be required? Do the 89 to 91 automatics have a different counterweight > than the 86 to 89s? Thanks for any help. > > Joe Berki > Limo EZ --NextPart_Webmail_9m3u9jl4l_24836_1255828512_0 Content-Type: multipart/related; boundary="NextPart_Webmail_9m3u9jl4l_24836_1255828512_1" --NextPart_Webmail_9m3u9jl4l_24836_1255828512_1 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
Joe,
  The answer is "It Depends"...............The early 89 engines h= ad the same weight rotors
and counterweights as the 86 to 88 engines.............The answer= is the rotors combustion chamber "dish".........The 86 to 88 1/2 = ;rotors have a slightly rough (As Cast) finish where
as the 89 1/2 to 91 rotors have a "Machined "combustion dish fini= sh..............
 
If your "89" rotors are late (machined combustion dish) = ;then 89  rear counterweight will not
work with your  86-88 rotors.............
 
If your "89" rotors are early (rough combustion dish) then the 89= rear counterweight will
work with your 86-88 rotors...............
 
See attachment........... 
 
 
--
Kelly Troyer
"Dyke Delta"_1= 3B ROTARY Engine
"RWS"_RD1C/EC2/EM2
"Mistral"_Backplate/Oil Manifol= d
-------------- Original message from "josrph berki" <jskm= berki@windstream.net>: --------------


> I am trying to bu= ild up a motor from two. One is an 89 that ate an apex
> seal and to= ok out the front rotor and rotor housing. The second motor is a
> 86= to 88 with rotor housings that look worn and I practiced P Porting on
= > them. My question is that I will get another 89 rotor housing use the = 86 to
> 88 rotors and Eshaft, front counter weight what flex plate a= nd counterweight
> will be required? Do the 89 to 91 automatics have= a different counterweight
> than the 86 to 89s? Thanks for any help= .
>
> Joe Berki
> Limo EZ
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