X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost06.isp.att.net ([204.127.217.106] verified) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTP id 3743977 for flyrotary@lancaironline.net; Fri, 03 Jul 2009 13:44:50 -0400 Received-SPF: none receiver=logan.com; client-ip=204.127.217.106; 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=1246643089; h=Content-Type: MIME-Version:In-Reply-To:Message-Id:Date:Subject:To:From; bh=0R7loU ZTKKFLbQVmFnJRKVjzKX+lgVWywpNdme5HxHw=; b=qE3l5eZ02Guxn0YG2ODf1Is9a WwqNOgJwFuifEDY+4N9omTux7SweDXzuvHtxLjEMUy8dwHewzoA4FZJWPkiYw== Received: from fwebmail06.isp.att.net ([207.115.11.156]) by isp.att.net (frfwmhc06) with SMTP id <20090703174413H0600i22qce>; Fri, 3 Jul 2009 17:44:13 +0000 X-Originating-IP: [207.115.11.156] Received: from [64.250.212.51] by fwebmail06.isp.att.net; Fri, 03 Jul 2009 17:44:13 +0000 From: "Kelly Troyer" To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Re: INJECTION OIL IN FUEL Date: Fri, 03 Jul 2009 17:44:13 +0000 Message-Id: <070320091744.11661.4A4E436D0003C35400002D8D22230682329B0A02D29B9B0EBF019D9B040A05@att.net> In-Reply-To: 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_11661_1246643053_0" --NextPart_Webmail_9m3u9jl4l_11661_1246643053_0 Content-Type: text/plain Content-Transfer-Encoding: 8bit Dave, How many flight hours does it take to accumulate 2 qts in your sump and what ratio of 2 stroke to fuel do you use ??............. -- Kelly Troyer "Dyke Delta"_13B ROTARY Engine "RWS"_RD1C/EC2/EM2 "Mistral"_Backplate/Oil Manifold -------------- Original message from David Leonard : -------------- On Fri, Jul 3, 2009 at 8:54 AM, Ken Welter wrote: My engine is a 1986 13B with 88 hrs since remanufacture. I fly a Zenair Zenith with a cogbelt PSRU and a Warp Drive 3-blades prop and this engine never runs above 5700 rpm When I installed this engine in my Zenith I removed the metering oil pump and have been using two stroke injection oil mixed in the automobile fuel ( 87 octane gasoline) 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 would ditto what Ken said. I tried reducing the amount of 2 stroke until there was minimal accumulation, but I ended up with a stuck side seal and had to do a re-build. Could have been from detonation or lack of oil, but I decided to stop taking chances. The dilution still works out to be just a couple of quarts in a 7 quart system, so the real engine oil is still around for most of the work. I use Mobile 1 (or any full synthetic) - thinking that it will be more stable for the gear box lube. -- David Leonard Turbo Rotary RV-6 N4VY http://N4VY.RotaryRoster.net http://RotaryRoster.net --NextPart_Webmail_9m3u9jl4l_11661_1246643053_0 Content-Type: multipart/related; boundary="NextPart_Webmail_9m3u9jl4l_11661_1246643053_1" --NextPart_Webmail_9m3u9jl4l_11661_1246643053_1 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable

Dave,

How many flight hours does it take to accumulate 2 qts in= your sump and what ratio

of 2 stroke to fuel do you use ??.............

--
Kelly Troyer
"Dyke Delta"_1= 3B ROTARY Engine
"RWS"_RD1C/EC2/EM2
"Mistral"_Backplate/Oil Manifol= d

-------------- Original message from David Leonard <wdleo= nard@gmail.com>: --------------

On Fri, Jul 3, 2009 at 8:54 AM, Ken Welter <rotarycoot.ken@gma= il.com> wrote:

My engine is a 1986 13B with 88 hrs since remanuf= acture.
I fly a Zenair Zenith with a cogbelt PSRU and a Warp Drive 3-bla= des prop
and this engine never runs above 5700 rpm
When I insta= lled this engine in my Zenith I removed the metering oil
pump and have b= een using two stroke injection oil mixed in the
automobile fuel&nb= sp; ( 87 octane gasoline)
At first I used a volume mix of 128:1 gas to o= il 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 b= ut 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 on= ly change my oil about every 200 hrs.

Ken
<= BR>

I would ditto what Ken said. I tried reducing the amount o= f 2 stroke until there was minimal accumulation, but I ended up with a stuc= k side seal and had to do a re-build. Could have been from detonation= or lack of oil, but I decided to stop taking chances. The dilution s= till works out to be just a couple of quarts in a 7 quart system, so the re= al engine oil is still around for most of the work. I use Mobile 1 (o= r any full synthetic) - thinking that it will be more stable for the g= ear box lube.
--
David Leonard

Turbo Rotary RV-6 N4VY
http://N4VY.RotaryRoster.net
<= A href=3D"http://rotaryroster.net/">http://RotaryRoster.net
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