X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [208.145.81.85] (HELO mail.link77.net) by logan.com (CommuniGate Pro SMTP 4.3.6) with ESMTPS id 624364 for flyrotary@lancaironline.net; Thu, 04 Aug 2005 01:04:56 -0400 Received-SPF: pass receiver=logan.com; client-ip=208.145.81.85; envelope-from=ralph_reed@sil.org X-Scanned-By: RAE MPP/Clamd http://raeinternet.com/mpp Received: from [4.253.2.160] (account ralph_reed@sil.org HELO DJ2B2561) by mail.link77.net (CommuniGate Pro SMTP 4.1.8) with ESMTP-TLS id 80636705 for flyrotary@lancaironline.net; Thu, 04 Aug 2005 01:04:04 -0400 Message-ID: <002101c598b1$f07b4150$a002fd04@DJ2B2561> From: "Ralph Reed" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: further testing - -lycoming O-320 Date: Thu, 4 Aug 2005 00:02:21 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0014_01C59887.C9266230" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2527 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 This is a multi-part message in MIME format. ------=_NextPart_000_0014_01C59887.C9266230 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Have you tested the gasoline? Are you using the same gasoline others = are using without problems? Ralph=20 ----- Original Message -----=20 From: David Leonard=20 To: Rotary motors in aircraft=20 Sent: Wednesday, August 03, 2005 10:50 PM Subject: [FlyRotary] Re: further testing - -lycoming O-320 Kevin, I agree with Ken Powell that it still sounds mostly like fuel = starvation, probably in the carb. So I won't beat that horse... = However, if following those suggestions doesn't fix it, then consider: Since you have definitely identified temperature as a culprit, that = points at 2 possible causes: fuel vaporization and detonation. = Vaporized fuel going to the carb could cause a scenario where the bowl = cant fill. Also, detonation could behave like what you describe. Maybe = you cooling flow is no sufficient. =20 Doubtful, but a bad could maybe act that way. It's easy enough to = test that as a possibility. --=20 Dave Leonard Turbo Rotary RV-6 N4VY http://members.aol.com/_ht_a/rotaryroster/index.html http://members.aol.com/vp4skydoc/index.html ------=_NextPart_000_0014_01C59887.C9266230 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Have you tested the gasoline?  Are = you using=20 the same gasoline others are using without problems?
 
Ralph
----- Original Message -----
From:=20 David=20 Leonard
Sent: Wednesday, August 03, = 2005 10:50=20 PM
Subject: [FlyRotary] Re: = further testing=20 - -lycoming O-320

Kevin, I agree with Ken Powell that it still sounds mostly like = fuel=20 starvation, probably in the carb.  So I won't beat that = horse... =20 However, if following those suggestions doesn't fix it, then = consider:
 
Since you have definitely identified temperature as a culprit, = that=20 points at 2 possible causes: fuel vaporization and detonation.  = Vaporized=20 fuel going to the carb could cause a scenario where the bowl cant = fill. =20 Also, detonation could behave like what you describe.  Maybe you = cooling=20 flow is no sufficient. 
 
Doubtful, but a bad could maybe act that way.  It's easy = enough to=20 test that as a possibility.

--
Dave = Leonard
Turbo=20 Rotary RV-6 N4VY
http://memb= ers.aol.com/_ht_a/rotaryroster/index.html
http://members.aol.c= om/vp4skydoc/index.html=20
------=_NextPart_000_0014_01C59887.C9266230--