X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.121] verified) by logan.com (CommuniGate Pro SMTP 5.2.2) with ESMTP id 2893986 for flyrotary@lancaironline.net; Mon, 05 May 2008 09:32:18 -0400 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.121; envelope-from=eanderson@carolina.rr.com Received: from edward2 ([75.191.186.236]) by cdptpa-omta03.mail.rr.com with SMTP id <20080505133140.BZQX28475.cdptpa-omta03.mail.rr.com@edward2> for ; Mon, 5 May 2008 13:31:40 +0000 Message-ID: <002a01c8aeb4$6092f850$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Renesis First Start Date: Mon, 5 May 2008 09:31:51 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0027_01C8AE92.D94A90E0" 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 This is a multi-part message in MIME format. ------=_NextPart_000_0027_01C8AE92.D94A90E0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable 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 ------=_NextPart_000_0027_01C8AE92.D94A90E0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
If you are using the larger injectors = in primary=20 position (like anything above around 460 cc/min) then idle can get to be = a bit=20 on the rich side, lowering fuel pressure can help out on this end - but = the=20 reduced flow on the top end can cause leaning problems.
 
I fly with 460 cc/min injectors and = find that 43=20 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
Sent: Sunday, May 04, 2008 = 11:06 PM
Subject: [FlyRotary] Re: = Renesis First=20 Start

That's interesting. When I was first = starting to=20 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 and=20 indicating about 33psi. Now that things are running better maybe I = should try=20 to bump it back up a little. I think Dave Leonard told me he had to go = down on=20 pressure as well. What is the consensus opinion?
 
Still some little tuning issues but = it's running=20 well enough to taxi around now. Runs great above 3000 RPM. Maybe = a=20 revisit to fuel pressure will help.
 
Need to find a DAR and get this thing = inspected/flying!
 
Mike Wills
RV-4 N144MW  
----- Original Message -----
From:=20 Bobby = J. Hughes=20
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 psi)=20 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
 
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