X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtpauth09.mail.atl.earthlink.net ([209.86.89.69] verified) by logan.com (CommuniGate Pro SMTP 5.0c4) with ESMTP id 760209 for flyrotary@lancaironline.net; Mon, 10 Oct 2005 07:59:48 -0400 Received-SPF: none receiver=logan.com; client-ip=209.86.89.69; envelope-from=duaneservice@earthlink.net DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=earthlink.net; b=mnK6tveMbBIFBuED27xdhKleLqSiFYRZSyB/SQPFBrznn5NqXeEWHQk3/e0FQ2dk; h=Received:Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE:X-ELNK-Trace:X-Originating-IP; Received: from [71.3.78.1] (helo=duane) by smtpauth09.mail.atl.earthlink.net with asmtp (Exim 4.34) id 1EOwJ4-0002EK-Un for flyrotary@lancaironline.net; Mon, 10 Oct 2005 07:59:03 -0400 Message-ID: <002001c5cd91$f6662b10$0201a8c0@duane> From: "Duane Service" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Carbon Build up. Date: Mon, 10 Oct 2005 07:58:42 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001D_01C5CD70.6E9D21F0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-ELNK-Trace: ac997f75d1511f549bffe2d964d6b7514d2b10475b5711201d8719473e9815d134621ec4da1b17973899c79c7caf56c9350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 71.3.78.1 This is a multi-part message in MIME format. ------=_NextPart_000_001D_01C5CD70.6E9D21F0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable For David Leonard, I am just a lurker here, but I have personally used = Amsoil libricants for 25 years now. I think you would be wise to call = Amsoil tech center, at 715-392-0701 about this problem. They have a = true 100-1 oil that has been proven in all sorts of racing applications, = and I think you will find that it burns clean. Amsoil is fthe first of = the synthetics, and they use only the best componants on the market. = Duane Service, duaneservice@earthlink.net ----- Original Message -----=20 From: David Leonard=20 To: Rotary motors in aircraft=20 Sent: Monday, October 10, 2005 1:47 AM Subject: [FlyRotary] Carbon Build up. The first picture is the front rotor with the stuck and broken side = seal with a piece missing. Wouldn't fit in the last message. So the big question now is why. Note the picture of the rotor face. = There is LOTS of carbon build-up. So much for 2-stroke oil burning very = cleanly. I am mixing less than 1:100 (about 5 oz per 6 gal gas can). I = have thought of the following possible causes:=20 1 My oil may be running a little cool. It maxes out at 160 and is = usually closer to 140-150. This could keep the rotors too cool and = prevent burning of the oil. Add in the modification to the oil bypass = and this may be it, but it seems unlikely to me.=20 2 Running rich. Because it is so hard to get the engine tuned, I am = probably running very rich (the only way to keep it running), especially = at low RPM. Some of both? Poor quality 2-stroke? I have noticed that the = 2-stroke oil does accumulate in the crank case. That of course = indicates that it does not all burn, and what doe burns does not = necessarily burn cleanly. Maybe using crank-case oil would burn less, = and there would be less needed and less residue. =20 Anyone else seen this? Any ideas? --=20 Dave Leonard Turbo Rotary RV-6 N4VY http://members.aol.com/_ht_a/rotaryroster/index.html=20 http://members.aol.com/_ht_a/vp4skydoc/index.html=20 --=20 Dave Leonard Turbo Rotary RV-6 N4VY http://members.aol.com/_ht_a/rotaryroster/index.html=20 http://members.aol.com/_ht_a/vp4skydoc/index.html=20 -------------------------------------------------------------------------= ----- -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/ ------=_NextPart_000_001D_01C5CD70.6E9D21F0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
For David Leonard,  I am just a = lurker here,=20 but I have personally used Amsoil libricants for 25 years now.  I = think you=20 would be wise to call Amsoil tech center, at 715-392-0701 about this=20 problem.  They have a true 100-1 oil that has been proven in all = sorts of=20 racing applications, and I think you will find that it burns = clean.  Amsoil=20 is fthe first of the synthetics, and they use only the best componants = on the=20 market.   Duane Service, = duaneservice@earthlink.net
----- Original Message -----
From:=20 David=20 Leonard
Sent: Monday, October 10, 2005 = 1:47=20 AM
Subject: [FlyRotary] Carbon = Build=20 up.

The first picture is the front rotor with the stuck and broken = side seal=20 with a piece missing. Wouldn't fit in the last message.
 
So the big question now is why.  Note the picture of the = rotor=20 face.  There is LOTS of carbon build-up.  So much for = 2-stroke oil=20 burning very cleanly.  I am mixing less than 1:100 (about 5 oz = per 6 gal=20 gas can).  I have thought of the following possible causes: =
 
1 My oil may be running a little cool.  It maxes out at 160 = and is=20 usually closer to 140-150.  This could keep the rotors too cool = and=20 prevent burning of the oil.  Add in the modification to the oil = bypass=20 and this may be it, but it seems unlikely to me.
 
2 Running rich.  Because it is so hard to get the engine = tuned, I am=20 probably running very rich (the only way to keep it running), = especially at=20 low RPM.
 
Some of both?  Poor quality 2-stroke?  I have noticed = that the=20 2-stroke oil does accumulate in the crank case.  That of course = indicates=20 that it does not all burn, and what doe burns does not = necessarily burn=20 cleanly.  Maybe using crank-case oil would burn less, and there = would be=20 less needed and less residue. 
 
Anyone else seen this?  Any ideas?

-- =
Dave=20 Leonard
Turbo Rotary RV-6 N4VY
http://members.aol.com/_ht_a/rotaryroster/index.html =
http://members.aol.com/_ht_a/vp4skydoc/index.html =



--
Dave = Leonard
Turbo Rotary=20 RV-6 N4VY
http://memb= ers.aol.com/_ht_a/rotaryroster/index.html=20
http://members= .aol.com/_ht_a/vp4skydoc/index.html=20

--
Homepage:  http://www.flyrotary.com/
Archive and=20 UnSub:  =20 http://mail.lancaironline.net/lists/flyrotary/
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