X-CGP-ClamAV-Result: CLEAN X-VirusScanner: Niversoft's CGPClamav Helper v1.23.0 (ClamAV engine v0.103.0) X-Junk-Score: 0 [] X-KAS-Score: 0 [] From: "RICHARD E SOHN res12@fairpoint.net" Received: from mail.nrtc.syn-alias.com ([129.213.214.220] verified) by logan.com (CommuniGate Pro SMTP 6.3.13) with ESMTPS id 1839089 for flyrotary@lancaironline.net; Sun, 26 Feb 2023 12:24:27 -0500 Received-SPF: error receiver=logan.com; client-ip=129.213.214.220; envelope-from=res12@fairpoint.net Return-Path: X-Authed-Username: cmVzMTJAZmFpcnBvaW50Lm5ldA== Received: from [10.219.152.11] ([10.219.152.11:29183] helo=md18.nrtc.email-ash1.sync.lan) by mail.informnet.com (envelope-from ) (ecelerity 4.4.0.19839 r(msys-ecelerity:tags/4.4.0.0^0)) with ESMTP id 9B/95-30292-AB59BF36; Sun, 26 Feb 2023 12:24:10 -0500 Date: Sun, 26 Feb 2023 12:24:10 -0500 (EST) To: Rotary motors in aircraft Message-ID: <1607425027.70280406.1677432250039.JavaMail.zimbra@fairpoint.net> In-Reply-To: References: Subject: Re: [FlyRotary] Premix vs OMP MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="=_b345c25d-e731-45a6-af50-7f159d31d723" X-Originating-IP: [67.158.146.68] X-Mailer: Zimbra 8.8.15_GA_4173 (ZimbraWebClient - GC110 (Win)/8.8.15_GA_4173) Thread-Topic: Premix vs OMP Thread-Index: 3ecQagOP94H+BCmIaGl7uKdsCSCVnQ== X-Vade-Verdict: clean X-Vade-Analysis-1: gggruggvucftvghtrhhoucdtuddrgedvhedrudekkedgjeegucetufdoteggodetrfdotffvucfrrhho X-Vade-Analysis-2: fhhilhgvmecuufgjpfetvefqtfdppfftvfevpdfgpfggqdfptffvvedpqfgfvfenuceurghilhhouhht X-Vade-Analysis-3: mecufedtudenucenucfjughrpeffhffvkfgjfhfugggtihfothesrgdttgerredtjeenucfhrhhomhep X-Vade-Analysis-4: tffkvefjteftffcugfcuuffqjffpuceorhgvshduvdesfhgrihhrphhoihhnthdrnhgvtheqnecuggft X-Vade-Analysis-5: rfgrthhtvghrnhepvddvffdvffejueejheehffeiffdufeehfeehieejffduhfeukefhvdeltdffhfek X-Vade-Analysis-6: necukfhppedutddrvdduledrudehvddruddupdeijedrudehkedrudegiedrieeknecuvehluhhsthgv X-Vade-Analysis-7: rhfuihiivgeptdenucfrrghrrghmpehinhgvthepuddtrddvudelrdduhedvrdduuddphhgvlhhopehm X-Vade-Analysis-8: ugdukedrnhhrthgtrdgvmhgrihhlqdgrshhhuddrshihnhgtrdhlrghnpdhmrghilhhfrhhomheprhgv X-Vade-Analysis-9: shduvdesfhgrihhrphhoihhnthdrnhgvthdprhgtphhtthhopehflhihrhhothgrrhihsehlrghntggr X-Vade-Analysis-10: ihhrohhnlhhinhgvrdhnvghtpdhmthgrhhhoshhtpehsmhhtphdtvddrnhhrthgtrdgvmhgrihhlqdgr X-Vade-Analysis-11: shhhuddrshihnhgtrdhlrghnpdhnsggprhgtphhtthhopedupdhishgpnhgrpehfrghlshgvpdgruhht X-Vade-Analysis-12: hhgpuhhsvghrpehrvghsuddvsehfrghirhhpohhinhhtrdhnvght X-Vade-Client: NRTC --=_b345c25d-e731-45a6-af50-7f159d31d723 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit The difference between premix and OMP is the two stroke oil you would use in premix. The OMP is using motor oil with all the disadvantages it has when it gets into the combustion chamber. Also, you can not use synsetic oil in the engine when using the OMP. There is a lot more info available in rotary engine related discussions on the internet. fwiw. Richard. From: "Mark McClure mark.mcclure.m3@gmail.com" To: "Rotary motors in aircraft" Sent: Sunday, February 26, 2023 8:01:41 AM Subject: [FlyRotary] Premix vs OMP I now have 2 engine cores. One is set up for premix and one is set up for OMP. (I of course just purchased a set of SS braided OMP lines before acquiring this 2nd engine) My search of the listserv (2006-2010 results) shows that overall premix yields a better distribution (at least for the RX-7 engines with 2 OMP lines). Is the general consensus still that premix is a better distribution? Still recommending .7oz to 1 US Gal? Thanks, Mark --=_b345c25d-e731-45a6-af50-7f159d31d723 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
The difference between premix and OMP is th= e two stroke oil you would use in premix. The OMP is using motor oil with a= ll the disadvantages it has when it gets into the combustion chamber. Also,= you can not use synsetic oil in the engine when using the OMP. 
=
There is a lot more info available in rotary engine related discussion= s on the internet.
fwiw. 
Richard.

<= /div>
From: "Mark McClure mark.mcclure.m3@gmail.com" <flyrotary= @lancaironline.net>
To: "Rotary motors in aircraft" <flyrot= ary@lancaironline.net>
Sent: Sunday, February 26, 2023 8:01:41= AM
Subject: [FlyRotary] Premix vs OMP

I now have 2 engin= e cores. One is set up for premix and one is set up for OMP.  (I of co= urse just purchased a set of SS braided OMP lines before acquiring this 2nd= engine)

My search of the listserv (2006-2010 results) sh= ows that overall premix yields a better distribution (at least for the= RX-7 engines with 2 OMP lines). 

Is the general consens= us still that premix is a better distribution? Still recommending .7oz= to 1 US Gal?

Thanks,
Mark

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