Return-Path: Received: from mail.theofficenet.com ([65.166.240.5] verified) by logan.com (CommuniGate Pro SMTP 4.3c2) with SMTP id 753658 for flyrotary@lancaironline.net; Mon, 21 Feb 2005 21:49:22 -0500 Received-SPF: none receiver=logan.com; client-ip=65.166.240.5; envelope-from=jackoford@theofficenet.com Received: (qmail 8415 invoked from network); 22 Feb 2005 02:20:27 -0000 Received: from dpc691941229.direcpc.com (HELO jack) (69.19.41.229) by mail.theofficenet.com with SMTP; 22 Feb 2005 02:20:27 -0000 Message-ID: <002f01c51888$ea3a37f0$0200a8c0@jack> From: "Jack Ford" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] No more vapor lock Date: Mon, 21 Feb 2005 18:47:47 -0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_002A_01C51845.D64CBAD0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1437 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1441 This is a multi-part message in MIME format. ------=_NextPart_000_002A_01C51845.D64CBAD0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Good news for everybody, Paul. Congrats. Jack Ford ----- Original Message -----=20 From: Paul=20 To: Rotary motors in aircraft=20 Sent: Monday, February 21, 2005 3:48 PM Subject: [FlyRotary] No more vapor lock Well, after several mods to my airplane, which include installing = firesleeve on all fuel lines, installing a vent for the sump tank (into = the main wing tank) and bypassing the Facet fuel pump with a short = length of clear tubing, I ran the engine until the water temp hit 230 = degrees. I shut it down and let the heat soaking proceed. Then I = restarted the engine and ran it up to 240 degrees. Still was able to go = to full power with no signs of the engine stumbling or running rough. = Finally, temps hit 250 and I could hear the surge tank spitting out = steam and liquid, but WOT was still smooth. Previously it would stumble = and quit by the time I hit 230. I taxiied back in and temps only came = down to around 220, so we placed the fan under the NACA scoop to cool it = down. There was evidence of small bubbles coming out of the top of the = aluminum sump tank (which remained cool to the touch even at 250 degrees = water temp), going into the left fuel strake. It was a small amount, but = nevertheless, it was evident that the vent was working. There was no = evidence of any bubbles coming out of the bottom of the surge tank and = trying to work their way back up towards the fuel selector valve = (through the line that the Facet pump normally resides). I ran it again = today, but just to normal 180 degree temps, and it still ran fine. Paul = Conner -------------------------------------------------------------------------= ----- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 266.1.0 - Release Date: 2/18/2005 -------------------------------------------------------------------------= ----- >> Homepage: http://www.flyrotary.com/ >> Archive: http://lancaironline.net/lists/flyrotary/List.html ------=_NextPart_000_002A_01C51845.D64CBAD0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Good news for everybody, = Paul.
 
Congrats.
 
Jack Ford
----- Original Message -----
From:=20 Paul=20
Sent: Monday, February 21, 2005 = 3:48=20 PM
Subject: [FlyRotary] No more = vapor=20 lock

Well, after several mods to my = airplane, which=20 include installing firesleeve on all fuel lines, installing a vent for = the=20 sump tank (into the main wing tank) and bypassing the Facet fuel pump = with a=20 short length of clear tubing, I ran the engine until the water temp = hit 230=20 degrees.  I shut it down and let the heat soaking proceed.  = Then I=20 restarted the engine and ran it up to 240 degrees. Still was able to = go to=20 full power with no signs of the engine stumbling or running = rough. =20 Finally, temps hit 250 and I could hear the surge tank spitting out = steam and=20 liquid, but WOT was still smooth.  Previously it would stumble = and quit=20 by the time I hit 230.  I taxiied back in and temps only came = down to=20 around 220, so we placed the fan under the NACA scoop to cool it = down. =20 There was evidence of small bubbles coming out of the top of the = aluminum sump=20 tank (which remained cool to the touch even at 250 degrees water = temp), going=20 into the left fuel strake. It was a small amount, but nevertheless, it = was=20 evident that the vent was working. There was no evidence of any = bubbles coming=20 out of the bottom of the surge tank and trying to work their way back = up=20 towards the fuel selector valve (through the line that the Facet pump = normally=20 resides).  I ran it again today, but just to normal 180 degree = temps, and=20 it still ran fine.  Paul Conner

No virus found in this outgoing message.
Checked by AVG=20 Anti-Virus.
Version: 7.0.300 / Virus Database: 266.1.0 - Release = Date:=20 2/18/2005

>>  Homepage: =20 http://www.flyrotary.com/
>>  Archive:  =20 = http://lancaironline.net/lists/flyrotary/List.html
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