X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao105.cox.net ([68.230.241.41] verified) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTP id 3744078 for flyrotary@lancaironline.net; Fri, 03 Jul 2009 14:21:47 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.41; envelope-from=alventures@cox.net Received: from fed1rmimpo02.cox.net ([70.169.32.72]) by fed1rmmtao105.cox.net (InterMail vM.7.08.02.01 201-2186-121-102-20070209) with ESMTP id <20090703182111.ZMQC20430.fed1rmmtao105.cox.net@fed1rmimpo02.cox.net> for ; Fri, 3 Jul 2009 14:21:11 -0400 Received: from BigAl ([72.192.133.78]) by fed1rmimpo02.cox.net with bizsmtp id BWMB1c0041hf1Cg04WMBEN; Fri, 03 Jul 2009 14:21:11 -0400 X-VR-Score: 0.00 X-Authority-Analysis: v=1.0 c=1 a=GBrm8hdJT_8A:10 a=mbxt-1idFPdrAxrOn_MA:9 a=cBUElBenWJX4R9bYVVQMUYV7SWIA:4 a=3SWiQeW_kadP6hhbSWUA:9 a=cwT8T_yVFnNhZa4YS2cA:7 a=Z9HexQLH_WwQIwxKQBfDxzwF_AIA:4 X-CM-Score: 0.00 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: INJECTION OIL IN FUEL Date: Fri, 3 Jul 2009 11:21:44 -0800 Message-ID: <94E2F3EFC65D4BB0989EFF39622DE2D5@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_002D_01C9FBD0.72491010" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6838 In-Reply-To: Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 Thread-Index: Acn7/XG478f+eMO8SGqDzO63UIWW/wAFGRkg This is a multi-part message in MIME format. ------=_NextPart_000_002D_01C9FBD0.72491010 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit At first I used a volume mix of 128:1 gas to oil and soon noticed an increase of engine lubricating oil volume in the oil pan I have gradually reduced the volume mix of gas to oil to 140:1 but there is still a slight increase of engine lubricating oil in the pan. Also a local mechanic has mentionned that the two stroke injection oil is degrading the 20W-50 engine oil. How much can I reduce the volume mix of gas to oil ? Please advise Yvon Yes you will get an oil accumulation and there is no getting around it, I would mix at no less than 100 to 1 ratio, I have seen no problems with the 2-stroke oil mixing in the case oil and only change my oil about every 200 hrs. Ken I started mixing 1 oz/gal (1:128) in my 20B. In about 15 hours (90 - 100 gals of fuel) a gained about 1.5 qts of 2-stroke oil in the pan oil. That would be about 13 qts in 200 hrs :-). Based on discussion here, I reduced the pre-mix to .75 oz/gal (1:170). I still find some dilution of pan oil; so I change every 25 hours. Kind of a spendy waste of 15/50 synthetic, but I don't think the dilution is a good thing for the gears; and I don't intend to reduce the pre-mix any further. Al G ------=_NextPart_000_002D_01C9FBD0.72491010 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

At first I used a volume mix of 128:1 gas to = oil and soon noticed an
increase of engine lubricating oil volume in the oil pan
I have gradually reduced the volume mix of gas to oil to 140:1 but = there
is still a slight increase of engine lubricating oil in the pan.
Also a local mechanic has mentionned that the two stroke injection = oil
is degrading the 20W-50 engine oil.
How much can I reduce the volume mix of gas to oil ?
Please advise

Yvon

Yes you will get an oil accumulation and there is no getting around it, I = would mix at no less than 100 to 1 ratio, I have seen no problems with the = 2-stroke oil mixing in the case oil and only change my oil about every 200 = hrs.

Ken

I started mixing 1 oz/gal (1:128) = in my 20B. In about 15 hours (90 – 100 gals of fuel) a gained = about 1.5 qts of 2-stroke oil in the pan oil. That would be about 13 qts in 200 hrs = J.=

Based on discussion here, I = reduced the pre-mix to .75 oz/gal (1:170). I still find some dilution of pan = oil; so I change every 25 hours. Kind of a spendy waste of 15/50 = synthetic, but I don’t think the dilution is a good thing for the gears; and I = don’t intend to reduce the pre-mix any further.

Al G

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