X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from nm37-vm7.bullet.mail.bf1.yahoo.com ([72.30.238.207] verified) by logan.com (CommuniGate Pro SMTP 6.0.1) with ESMTPS id 6019877 for flyrotary@lancaironline.net; Sat, 19 Jan 2013 12:01:34 -0500 Received-SPF: none receiver=logan.com; client-ip=72.30.238.207; envelope-from=echristley@att.net Received: from [98.139.212.152] by nm37.bullet.mail.bf1.yahoo.com with NNFMP; 19 Jan 2013 17:00:59 -0000 Received: from [98.139.211.194] by tm9.bullet.mail.bf1.yahoo.com with NNFMP; 19 Jan 2013 17:00:59 -0000 Received: from [127.0.0.1] by smtp203.mail.bf1.yahoo.com with NNFMP; 19 Jan 2013 17:00:59 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=att.net; s=s1024; t=1358614859; bh=4tYOQEdqmB7NJsahIluvgKsd/728uoM+aE0I1DDfjbo=; h=X-Yahoo-Newman-Id:X-Yahoo-Newman-Property:X-YMail-OSG:X-Yahoo-SMTP:Received:Content-Type:Mime-Version:Subject:From:In-Reply-To:Date:Content-Transfer-Encoding:Message-Id:References:To:X-Mailer; b=VRCEnFtmQxfH+MlYXdXOzYFxxx8rJ0PYepWqTTzWSk3TexrcEH2kC8g9tZALl6sA6Vjnb1zlXZrUN3C7lWgOEfdSta1qHEcX/3kWD9Vb66LX98glwn1GL1Xq7C41YWHxPN3wOWEBKME9TDT4OTfmtDW/onPRuNBcsAPSZkJvnGw= X-Yahoo-Newman-Id: 681524.82013.bm@smtp203.mail.bf1.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: UW9mAdgVM1lEwA4Rrchovl1DYeoRCcwQln2DEqurySNAVFp vrVDV4p4EcG1BFcB2e_n2aAtbpdn82lEYLK2k6bVtBuck0jottYKrvW_FAC2 dBcbymwxaByZzyZb406_UbARLxf0agS0376wZv2ooJOBkLgxkLm53WpCDeVb rs.HhOBCBNOscSsz8xejR9o8AlylCUrGwnVnhHVh5Lre2_G1lCUw9XBA5HdE W.1H_f63QZkeSP1HgpXKrg_I7tuh6bcQAZ3EYf_IyCpZ1Mc8hCYuaPM0EAwd KpB3pWsTEPoSg.0.UdyaXnQKXbVazM7jpv62GXCvpRbMj2u7My.6xHj8l8Ix wlo_NstQtqK21bMFt5V4RH1w4G0RknqyanofOSz24qj_n8VyvBFeAeobBMyG 2tq6aekIixOGRPFfTzwY7XCv5OfJoXYABFi7TgXJF.78ULNC5Jvxyvgid6bZ jPc1PFQQc3nMln2dYjnlWwDyrgVtlDE1nQRu0ka.QY5MugE4LOt62b9xs9TA 7h3oFZ5L8L6g5cKCA6rxOsTWXzM12ev16FCLfHENEg_3efm0QvehjwIQGley oJN2W_juyDri1JDJKOq6RKhcYyrqfwJJrsVxDHuLgYdJaJUQ8 X-Yahoo-SMTP: 40RP3pGswBDvPav1a.I8eMv.KS8bdgWBnCloVoKaow-- Received: from [192.168.1.5] (echristley@174.97.249.0 with plain) by smtp203.mail.bf1.yahoo.com with SMTP; 19 Jan 2013 09:00:59 -0800 PST Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Apple Message framework v1283) Subject: Re: [FlyRotary] Renesis fuel pressure question From: Ernest Christley In-Reply-To: Date: Sat, 19 Jan 2013 12:00:58 -0500 Content-Transfer-Encoding: quoted-printable Message-Id: References: To: "Rotary motors in aircraft" X-Mailer: Apple Mail (2.1283) I run just a little over 50psi, which is the most my regulator will = allow. The higher pressure will increase atomization. It will increase = fuel flow a bit, but that is easily handled with a bit of tuning, unless = you've sized your injectors to large. I have my MegaSquirt configured = for staged injection, so that at low MP and RPM only one set is used. = That has been effective in delivering a smoother idle. On Jan 19, 2013, at 10:57 AM, Bill Bradburry wrote: > All of the fuel injector capacity figures that I have seen are at a = pressure > of 43.5 psi. That is the pressure I use for my Renesis. >=20 > There is a calculator on the lower part of this page that will tell = you what > injector flow you will get with the fuel pressure changes. >=20 > http://www.witchhunter.com/injectorcalc1.php >=20 > Bill B >=20 > -----Original Message----- > From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On > Behalf Of Charlie England > Sent: Saturday, January 19, 2013 10:43 AM > To: Rotary motors in aircraft > Subject: [FlyRotary] Renesis fuel pressure question >=20 > While perusing an old document describing the then-new Renesis, I=20 > noticed that the fuel pressure was spec'd at 392kPa, which if Google = is=20 > to be believed, amounts to 52psi. How many of you are running pressure=20= > that high? If you're not ( I seem to remember 30-35 for a lot of=20 > installations), how much does that affect injector capacity and fuel=20= > atomization (efficiency)? >=20 > Charlie >=20 > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html >=20 >=20 > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html