X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail13.syd.optusnet.com.au ([211.29.132.194] verified) by logan.com (CommuniGate Pro SMTP 5.2.2) with ESMTPS id 2894903 for flyrotary@lancaironline.net; Mon, 05 May 2008 18:14:47 -0400 Received-SPF: pass receiver=logan.com; client-ip=211.29.132.194; envelope-from=lendich@optusnet.com.au Received: from george (d211-31-126-84.dsl.nsw.optusnet.com.au [211.31.126.84]) by mail13.syd.optusnet.com.au (8.13.1/8.13.1) with SMTP id m45ME0je004934 for ; Tue, 6 May 2008 08:14:01 +1000 Message-ID: <006a01c8aefd$53b4b5d0$6400a8c0@george> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Renesis First Start Date: Tue, 6 May 2008 08:14:01 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0067_01C8AF51.24534D70" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 X-Antivirus: avast! (VPS 0657-0, 12/12/2006), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_0067_01C8AF51.24534D70 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Ed, How about those automatic adjustable fuel pressure regulators that work = of manifold pressure. George ( down under) ----- Original Message -----=20 From: Ed Anderson=20 To: Rotary motors in aircraft=20 Sent: Monday, May 05, 2008 11:31 PM Subject: [FlyRotary] Re: Renesis First Start If you are using the larger injectors in primary position (like = anything above around 460 cc/min) then idle can get to be a bit on the = rich side, lowering fuel pressure can help out on this end - but the = reduced flow on the top end can cause leaning problems. I fly with 460 cc/min injectors and find that 43 psi gives me the best = all around performance. Larger injectors may do better with slightly = lower pressure. Ed ----- Original Message -----=20 From: Mike Wills=20 To: Rotary motors in aircraft=20 Sent: Sunday, May 04, 2008 11:06 PM Subject: [FlyRotary] Re: Renesis First Start That's interesting. When I was first starting to test my rotary I = had to back the fuel pressure way down to get it to run relatively well. = I'm backed off as far as the Aeromotive regulator will go and indicating = about 33psi. Now that things are running better maybe I should try to = bump it back up a little. I think Dave Leonard told me he had to go down = on pressure as well. What is the consensus opinion? Still some little tuning issues but it's running well enough to taxi = around now. Runs great above 3000 RPM. Maybe a revisit to fuel pressure = will help. Need to find a DAR and get this thing inspected/flying! Mike Wills RV-4 N144MW =20 ----- Original Message -----=20 From: Bobby J. Hughes=20 To: Rotary motors in aircraft=20 Sent: Sunday, May 04, 2008 5:50 PM Subject: [FlyRotary] Renesis First Start Saturday with the help of Mark Steitle I was able to start my = renesis. Had to run higher rpm's to keep to it running. Wideband O2 = showed lean at lower rpm's. Today after adjusting the fuel pressure to = 42 psi (was 30 psi) I was able to idle much lower. My Advanced Flight = System EFIS\ engine monitor fuel injector circuit is not putting out a = tach signal so no idea on the actual rpm's. Two primer clicks and it = starts right up. =20 Bobby J Hughes -------------------------------------------------------------------------= ----- No virus found in this incoming message. Checked by AVG.=20 Version: 7.5.524 / Virus Database: 269.23.8/1414 - Release Date: = 4/05/2008 12:31 PM ------=_NextPart_000_0067_01C8AF51.24534D70 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Ed,
How about those automatic adjustable = fuel pressure=20 regulators that work of manifold pressure.
George ( down under)
----- Original Message -----
From:=20 Ed=20 Anderson
Sent: Monday, May 05, 2008 = 11:31 PM
Subject: [FlyRotary] Re: = Renesis First=20 Start

If you are using the larger injectors = in=20 primary position (like anything above around 460 cc/min) then idle can = get to=20 be a bit on the rich side, lowering fuel pressure can help out on this = end -=20 but the reduced flow on the top end can cause leaning = problems.
 
I fly with 460 cc/min injectors and = find that=20 43 psi gives me the best all around performance.  Larger = injectors may do=20 better with slightly  lower pressure.
 
Ed
----- Original Message -----
From:=20 Mike = Wills=20
To: Rotary motors in = aircraft=20
Sent: Sunday, May 04, 2008 = 11:06=20 PM
Subject: [FlyRotary] Re: = Renesis First=20 Start

That's interesting. When I was = first starting=20 to test my rotary I had to back the fuel pressure way down to get it = to run=20 relatively well. I'm backed off as far as the Aeromotive regulator = will go=20 and indicating about 33psi. Now that things are running better maybe = I=20 should try to bump it back up a little. I think Dave Leonard told me = he had=20 to go down on pressure as well. What is the consensus = opinion?
 
Still some little tuning issues but = it's=20 running well enough to taxi around now. Runs great above 3000=20 RPM. Maybe a revisit to fuel pressure will help.
 
Need to find a DAR and get this = thing=20 inspected/flying!
 
Mike Wills
RV-4 = N144MW  
----- Original Message ----- =
From:=20 Bobby = J.=20 Hughes
To: Rotary motors in = aircraft=20
Sent: Sunday, May 04, 2008 = 5:50=20 PM
Subject: [FlyRotary] = Renesis First=20 Start

Saturday with=20 the help of Mark Steitle I was able to start my renesis. Had = to run=20 higher rpm's to keep to it running. Wideband O2 showed lean = at lower=20 rpm's.  Today after adjusting the fuel pressure to 42 psi = (was 30=20 psi) I was able to idle much lower. My Advanced Flight System = EFIS\ engine=20 monitor fuel injector circuit is not putting out a tach = signal so no=20 idea on the actual rpm's. Two primer clicks and it starts right = up. =20
 
Bobby J=20 Hughes
 


No virus found in this incoming message.
Checked by AVG.=20
Version: 7.5.524 / Virus Database: 269.23.8/1414 - Release Date: = 4/05/2008=20 12:31 PM
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