X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtp2go.com ([207.58.142.213] verified) by logan.com (CommuniGate Pro SMTP 5.4.1) with ESMTPS id 5135225 for flyrotary@lancaironline.net; Sat, 24 Sep 2011 18:09:09 -0400 Received-SPF: none receiver=logan.com; client-ip=207.58.142.213; envelope-from=crobinson@medialantern.com Message-ID: <4E7E54DC.9000508@medialantern.com> Date: Sat, 24 Sep 2011 18:08:28 -0400 From: Chad Robinson User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:6.0.2) Gecko/20110902 Thunderbird/6.0.2 MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Eccentric Shaft Oil Jets References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 9/24/2011 5:44 PM, Thomas Mann wrote: > I know that many use 2-cycle oil mixed in with the fuel for their your > rotary engine. > > If you run it that way, is there any need to have the Eccentric Shaft > Oil Jets or could they be plugged? Actually, one of the mods Tracy recommends in his rotary aviation conversion guide is to replace the ball/spring mechanism inside each jet with a fixed-size port to both increase flow and reliability. (IE, don't remove them!) Oil cooling removes a third of the heat produced by the rotary. It's absolutely critical. The only thing the oil metering pump or premix alternative does is lubricate the apex seals, which have no other way of getting oil. The OMP weighs a bit and can be a failure point (plus it consumes your oil...) so premix is just a way of removing that component. Regards, Chad