X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao101.cox.net ([68.230.241.45] verified) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTP id 3735762 for flyrotary@lancaironline.net; Sun, 28 Jun 2009 21:16:44 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.45; envelope-from=alventures@cox.net Received: from fed1rmimpo03.cox.net ([70.169.32.75]) by fed1rmmtao101.cox.net (InterMail vM.7.08.02.01 201-2186-121-102-20070209) with ESMTP id <20090629011608.IRQY17670.fed1rmmtao101.cox.net@fed1rmimpo03.cox.net> for ; Sun, 28 Jun 2009 21:16:08 -0400 Received: from BigAl ([72.192.133.78]) by fed1rmimpo03.cox.net with bizsmtp id 9dG71c00Q1hf1Cg04dG8so; Sun, 28 Jun 2009 21:16:08 -0400 X-VR-Score: 0.00 X-Authority-Analysis: v=1.0 c=1 a=ZWjnF34MuNoYI3c8hNUA:9 a=gYx4Un1sZDenmG8SbFUdEqJDYMUA:4 a=pE1ST6D7Qtzkncpkd68A:9 a=40n2SekUG7rYXIYBX1oA:7 a=Q2Mpw1ZlvRl10xCWaQKq71SYDXsA:4 X-CM-Score: 0.00 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Startup Oil Date: Sun, 28 Jun 2009 18:16:31 -0800 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0008_01C9F81C.9004DBA0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6838 Importance: Normal Thread-Index: Acn4PCY8mjwjezSvQpWGqpNYi3cnIAAIctQg In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 This is a multi-part message in MIME format. ------=_NextPart_000_0008_01C9F81C.9004DBA0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable =20 Earlier this weekend the recomendation for a startuo oil was for a = mineral oil, 40W minimum. Is a multi viscosity like a convetional 20W50 OK? or should it be a straight 40W or 50W? Thanks, Joe =20 Joe; =20 Are you pre-mixing 2-cycle oil? I think the only advantage of a = straight weight oil would be if you use the metering pump injection as a straight weight may burn a bit cleaner. =20 I used Castrol 20/50 for about the first 60 hours with the injection system; then converted to pre-mix and synthetic. The Castrol 20/50 is = an excellent lubricant and served well. It may be that the seals have = seated in more since going to premix as I seemed to have picked up over 100 rpm = static over the last 80 hours. But I think it's common to get a peak in power somewhere past the 100 hr mark. =20 Looking forward to hearing about your first runs. =20 Al ------=_NextPart_000_0008_01C9F81C.9004DBA0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

 

Earlier this weekend the recomendation for a startuo oil was for a mineral oil, = 40W minimum.  Is a multi viscosity like a convetional 20W50 OK?  = or should it be a straight 40W or 50W?

Thanks,

Joe

 

Joe;

 <= /font>

Are you = pre-mixing 2-cycle oil?  I think the only advantage of a straight weight oil = would be if you use the metering pump injection as a straight weight may burn a = bit cleaner.

 <= /font>

I used = Castrol 20/50  for about the first 60 hours with the injection system; then converted to = pre-mix and synthetic.  The Castrol 20/50 is an excellent lubricant and = served well. It may be that the seals have seated in more since going to premix = as I seemed to have picked up over 100 rpm static over the last 80 hours. =  But I think it’s common to get a peak in power somewhere past the 100 = hr mark.

 <= /font>

Looking = forward to hearing about your first runs.

 <= /font>

Al

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