X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtp103.sbc.mail.re3.yahoo.com ([66.196.96.86] verified) by logan.com (CommuniGate Pro SMTP 5.3.4) with SMTP id 4183603 for flyrotary@lancaironline.net; Tue, 30 Mar 2010 09:44:07 -0400 Received-SPF: none receiver=logan.com; client-ip=66.196.96.86; envelope-from=downing.j@sbcglobal.net Received: (qmail 44817 invoked from network); 30 Mar 2010 13:43:30 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=sbcglobal.net; h=Received:X-Yahoo-SMTP:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:From:To:References:In-Reply-To:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=MDheXjgPbNU9iBnVBg2NRqdNpRlujrTLxaq2GjFhJVPSiK0/vzUQYowX6Oq3GffghybyDtbfPqnM0c4OCh5hsOaepBUwDBcFNRWEhdgbXQjiGM9/ANdQZZ8mOfqUPJTIja5Qhgwsg8RN3bUidMJRZXrr7XySuwNRSM5ASEQXg7Y= ; Received: from JohnPC (downing.j@69.209.99.72 with login) by smtp103.sbc.mail.re3.yahoo.com with SMTP; 30 Mar 2010 06:43:30 -0700 PDT X-Yahoo-SMTP: 4Ss7WYSswBAR3ULsDHPw5yIFKkoakpn6PCJcwuPp3izwMVSl X-YMail-OSG: W5sQwXsVM1n.uqj6oXD5mtyi.PfuwLK1b9nJ.gqEAOXwF9V4kwHkvYga.slMQqLHGDeLOe.wWkFoDPQs0mtC03riU2VKlE2qgC1_hrHzTXjy3Z.2Jk_rwttSt3JryOcCogw8hl_i2YabFID7OgE85b49dD_F6Dnq_Lx.xpe3lYwuAmmvAJwqY7qkLJqnbt8TrC26Z.yYw63o9kAKvsXOtV543q47UZGiOaFv8HqTG6NIfXZ1ITRfmu5pwJQmtEtr4uNJ7mHDk1Qjb5.bxyBkAXaO.m2JXI4JnPk4h4cjKlyb3bcIkneflhhREDS28knugcUwugKJK80bKNnAORZe5O9aLc1Iklu6X8DaqxIs8QcByJcmhzZhTfkXRD1NJgE_MxuYvvtivlzHmTGReoMYx2R33wrTd7mdy2QLTKhKch0pPDA0XLzBuBW24QqyWRY- X-Yahoo-Newman-Property: ymail-3 Message-ID: <15E2F41A1F654D749B91631BB9978904@JohnPC> From: "John" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: Oil Leak Date: Tue, 30 Mar 2010 09:43:43 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0054_01CACFED.7C6B5C50" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6002.18005 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18005 This is a multi-part message in MIME format. ------=_NextPart_000_0054_01CACFED.7C6B5C50 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Brian, all very valid arguments. This summer I will be 74 and I'm at = the point that I want to fly the plane and may never get to more than = 200 hrs on it. JohnD ----- Original Message -----=20 From: bktrub@aol.com=20 To: Rotary motors in aircraft=20 Sent: Monday, March 29, 2010 8:38 PM Subject: [FlyRotary] Re: Oil Leak Why not take out the oil injection and go with the pre-mixed gas and = oil? Crankcase oil is not optimum for the rotary and does not burn = completely, leading to carbon build-up on the rotors and in high milage = engines, uneven wear in the rotor housing surfaces. Premixing 1:100 2 = stroke oil into the gas will give much more even distribution of oil = throughout the combustion chamber and will burn much cleaner than = crankcase oil injected into the trochoid chamber. Also, you'll save a = small amount of weight for the injection pump and lines, and won't have = to worry about the injection lines ever leaking again, because they = won't be there. That's my opinion, your results may vary. Brian Trubee -----Original Message----- From: John To: Rotary motors in aircraft Sent: Mon, Mar 29, 2010 5:10 pm Subject: [FlyRotary] Oil Leak Spring may be coming to Northern Michigan, it was 48 degrees today, so = I pulled the 13B Tailwind out in the sun and let it warm up some. I = finally got the engine to run, I thought I had it running well last = fall, but it would only run with the cold start switch on and when I = moved the program switch from 0, the engine quit, so must start over = with the programming. I started it up with the Weber 48 and it ran fine and I had a chance = to find the oil leak, only took about a minute of running. I'm using = the Mazda rotor oilers and one of the lines had a 3/4" split in it right = above the valve. Is Mazdatrix the place that has the SS lines to = replace the nylon lines. At first it looked like the leak was between = the windage/motormount plate and the block, as there were 3 cap screws = loose in that corner, so I removed them, drilled for safety wire and = reinstalled. The engine had 10.3 hours on it today. JohnD ------=_NextPart_000_0054_01CACFED.7C6B5C50 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Brian, all very valid arguments.  = This summer=20 I will be 74 and I'm at the point that I want to fly the plane and may = never get=20 to more than 200 hrs on it.  JohnD
----- Original Message -----
From:=20 bktrub@aol.com
Sent: Monday, March 29, 2010 = 8:38=20 PM
Subject: [FlyRotary] Re: Oil = Leak

Why not take out the oil injection and go with the pre-mixed gas = and oil?=20 Crankcase oil is not optimum for the rotary and does not burn = completely,=20 leading to carbon build-up on the rotors and in high milage engines, = uneven=20 wear in the rotor housing surfaces. Premixing 1:100 2 stroke oil into = the gas=20 will give much more even distribution of oil throughout the combustion = chamber=20 and will burn much cleaner than crankcase oil injected into the = trochoid=20 chamber. Also, you'll save a small amount of weight for the injection = pump and=20 lines, and won't have to worry about the injection lines ever leaking = again,=20 because they won't be there.
 
That's my opinion, your results may vary.
 
Brian Trubee



-----Original=20 Message-----
From: John <downing.j@sbcglobal.net>
To: = Rotary=20 motors in aircraft <flyrotary@lancaironline.net>
Sent: Mon, = Mar 29,=20 2010 5:10 pm
Subject: [FlyRotary] Oil Leak

Spring may be coming to Northern = Michigan, it was=20 48 degrees today, so I pulled the 13B Tailwind out in the sun and let = it warm=20 up some.  I finally got the engine to run, I thought I had it = running=20 well last fall, but it would only run with the cold start switch on = and when I=20 moved the program switch from 0, the engine quit, so must start over = with the=20 programming.
  I started it up with the Weber = 48 and it=20 ran fine and I had a chance to find the oil leak, only took about a = minute of=20 running.  I'm using the Mazda rotor oilers and one of the lines = had a=20 3/4" split in it right above the valve.  Is Mazdatrix the place = that has=20 the SS lines to replace the nylon lines.  At first it looked like = the=20 leak was between the windage/motormount plate and the block, as there = were 3=20 cap screws loose in that corner, so I removed them, drilled for safety = wire=20 and reinstalled.  The engine had 10.3 hours on it today. =20 JohnD
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