X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from access.aic-fl.com ([204.49.76.2] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1116429 for flyrotary@lancaironline.net; Tue, 16 May 2006 20:11:09 -0400 Received-SPF: none receiver=logan.com; client-ip=204.49.76.2; envelope-from=unicorn@gdsys.net Received: from b9k4u9 (unverified [204.49.76.25]) by access.aic-fl.com (Rockliffe SMTPRA 4.5.6) with SMTP id for ; Tue, 16 May 2006 19:03:31 -0500 Message-ID: <001e01c67957$a5bdc1b0$194c31cc@b9k4u9> From: "Richard Sohn" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re; oil injection Date: Tue, 16 May 2006 19:14:32 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0019_01C6791C.F625B7B0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2869 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2869 This is a multi-part message in MIME format. ------=_NextPart_000_0019_01C6791C.F625B7B0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable If the vacuum line is disconnected, the oil being pumped into the rotor = housing drop by drop is not spread cross wise along the apex seal. = Therefore, the oil will do next to nothing in regard to cooling or = lubricating the apex seal.=20 Whatever oil is pumped into the injection valve will be misted into the = combustion chamber by intake air coming through the vacuum hose. The = vacuum hose is functioning just as the intake manifold, only with a much = smaller volume. The rubber check valve prevents oil from going in into = the vacuum hose. Richard Sohn N-2071U ----- Original Message -----=20 From: downing.j@sbcglobal.net=20 To: Rotary motors in aircraft=20 Sent: Tuesday, May 16, 2006 1:28 PM Subject: [FlyRotary] Re; oil injection Sure glad this subject came up. I never gave it a thought about the = rubber caps sitting on top of the oil injectors needed to be connected = to the intake manifold. What are the thoughts on just the two injectors = in the rotor housings, as my intake hasn't any provision for the two = manifold injectors. Is anyone running with the two rotor injectors from = the engine oil pump without using premix. =20 On using MM oil, I put 1 oz. of MM oil in 5 gallons of gas in the = Lycoming and in 50 hours the residue is so thick on the airplane belly = that l have to remove it with mineral spirits. The residue does not = collect when not using MM oil, but the engine seems to run better with = it and a little seems to go a long way. JohnD ------=_NextPart_000_0019_01C6791C.F625B7B0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
If the vacuum line is disconnected, the = oil being=20 pumped into the rotor housing drop by drop is not spread cross wise = along the=20 apex seal. Therefore, the oil will do next to nothing in regard to = cooling or=20 lubricating the apex seal.
Whatever oil is pumped into the = injection valve=20 will be misted into the combustion chamber by intake air coming through = the=20 vacuum hose. The vacuum hose is functioning just as the intake manifold, = only=20 with a much smaller volume. The rubber check valve prevents oil from = going in=20 into the vacuum hose.
 
Richard Sohn
N-2071U
 
 
----- Original Message -----
From:=20 downing.j@sbcglobal.net =
Sent: Tuesday, May 16, 2006 = 1:28 PM
Subject: [FlyRotary] Re; oil=20 injection

Sure glad this subject came up.  = I never=20 gave it a thought about the rubber caps sitting on top of the oil = injectors=20 needed to be connected to the intake manifold.  What are the = thoughts on=20 just the two injectors in the rotor housings, as my intake hasn't any=20 provision for the two manifold injectors.  Is anyone running with = the two=20 rotor injectors from the engine oil pump without using = premix. =20
On using MM oil, I put 1 oz. of MM = oil in 5=20 gallons of gas in the Lycoming and in 50 hours the residue is so thick = on the=20 airplane belly that l have to remove it with mineral spirits.  = The=20 residue does not collect when not using MM oil, but the engine seems = to run=20 better with it and a little seems to go a long way. =20 JohnD
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