X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtp0.av-mx.com ([137.118.16.56] verified) by logan.com (CommuniGate Pro SMTP 5.4.4) with ESMTP id 5472623 for flyrotary@lancaironline.net; Sat, 07 Apr 2012 22:55:32 -0400 Received-SPF: pass receiver=logan.com; client-ip=137.118.16.56; envelope-from=res12@fairpoint.net Received: from MAIN (unknown [66.243.229.199]) (Authenticated sender: res12@fairpoint.net) by smtp0.av-mx.com (Postfix) with ESMTP id C9D001C00F5 for ; Sat, 7 Apr 2012 22:54:57 -0400 (EDT) Message-ID: From: "Richard Sohn" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] OMP Plumbing Date: Sat, 7 Apr 2012 21:54:43 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0068_01CD1509.0A1DDA70" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 15.4.3538.513 X-MimeOLE: Produced By Microsoft MimeOLE V15.4.3538.513 This is a multi-part message in MIME format. ------=_NextPart_000_0068_01CD1509.0A1DDA70 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Mark, you need the injection check valves hooked up to your intake plenum. The = oil intake only works with the pressure difference between the = combustion chamber and the plenum during the intake cycle. The check = valve prevents oil from being pushed into the vacuum lines by reverse = pressure fluctuations.=20 As far as the control lever is concerned, you have a good plan. You may = want to make the lever position adjustable so you can set the oil = consumption to a level that makes you and the engine feel good. FWIW Richard Sohn N2071U http://www.fairpoint.net/~res12/home.html From: Mark Steitle=20 Sent: Saturday, April 07, 2012 8:10 PM To: Rotary motors in aircraft=20 Subject: [FlyRotary] OMP Plumbing Is anyone running an oil metering pump (OMP) that can help me figure out = how the lines should be connected. I'm planning on using the Mazda = banjo fittings to hook up to the OMP, but what do I do with the check = valves. Do you connect the check valves to a vacuum source or just = block them off? Will the system work properly if I plug the check = valves? I plan on locking the lever in the full open position. Will = this work for a/c use? I'll be using Richard Sohn's adapter with a 1 = gallon reservoir filled with 2-stroke oil. =20 Mark S. ------=_NextPart_000_0068_01CD1509.0A1DDA70 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Mark,
 
you need the injection check valves hooked up to your intake = plenum. The=20 oil intake only works with the pressure difference between the = combustion=20 chamber and the plenum during the intake cycle. The check valve prevents = oil=20 from being pushed into the vacuum lines by reverse pressure = fluctuations.
As far as the control lever is concerned, you have a good plan. You = may=20 want to make the lever position adjustable so you can set the oil = consumption to=20 a level that makes you and the engine feel good.
FWIW
 
Richard=20 Sohn
N2071U

http://www.fairpoint.net/~res12/home.html
 
Sent: Saturday, April 07, 2012 8:10 PM
Subject: [FlyRotary] OMP Plumbing
 
Is=20 anyone running an oil metering pump (OMP) that can help me figure out = how the=20 lines should be connected.  I'm planning on using the Mazda banjo = fittings=20 to hook up to the OMP, but what do I do with the check valves.  Do = you=20 connect the check valves to a vacuum source or just block them = off?  Will=20 the system work properly if I plug the check valves?  I plan on = locking the=20 lever in the full open position.  Will this work for a/c use?  = I'll be=20 using Richard Sohn's adapter with a 1 gallon reservoir filled with = 2-stroke=20 oil.   =20
 
Mark S.
------=_NextPart_000_0068_01CD1509.0A1DDA70--