X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtp111.sbc.mail.re2.yahoo.com ([68.142.229.94] verified) by logan.com (CommuniGate Pro SMTP 5.0.3) with SMTP id 869078 for flyrotary@lancaironline.net; Thu, 08 Dec 2005 21:08:37 -0500 Received-SPF: none receiver=logan.com; client-ip=68.142.229.94; envelope-from=downing.j@sbcglobal.net Received: (qmail 22036 invoked from network); 9 Dec 2005 02:07:52 -0000 Received: from unknown (HELO mom) (downing.j@sbcglobal.net@69.209.98.178 with login) by smtp111.sbc.mail.re2.yahoo.com with SMTP; 9 Dec 2005 02:07:51 -0000 Message-ID: <006201c5fc65$5b256140$4001a8c0@gateway.2wire.net> From: "John Downing" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: 48 Weber Date: Thu, 8 Dec 2005 21:07:49 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_005F_01C5FC3B.71E302E0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1409 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 This is a multi-part message in MIME format. ------=_NextPart_000_005F_01C5FC3B.71E302E0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable [FlyRotary] Re: 48 WeberKen; In a note you posted 04 Feb 04, you said = to set up with 200 main gas jets, 155 main air correction jets and F-7 = emulsion tubes and it should work fine. Are these the jets you are = using currently, or have you went with something else. When the manual = comes I'll take a look and see what I have. I have the photo you posted = of the ram air setup, looks quite simple. It looks like with a set of = high pressure pumps and electric fuel valve that I cam use the Weber = and, or the fuel injection on demand. I have the fuel injection system = and the plumbing is in for the fuel return to the tank. Will start with = the Weber as project must fly in spring. Working on the wrong end of = the time curve at 69. Thanks for the info. From the farm, buried in = snow. JohnD ----- Original Message -----=20 From: Ken Welter=20 To: Rotary motors in aircraft=20 Sent: Thursday, December 08, 2005 6:40 PM Subject: [FlyRotary] Re: 48 Weber That was probably me, its not a choke its an air ram that increases = the air pressure in the Venturi in comparison to the float bole so the = Venturi draws less fuel through the main jets, when I get by the airport = tomorrow I will shoot a photo of it and also get the jet numbers I am = running. Ken Hi Lynn, I read some time back where a builder jetted a DCOE to run with the = choke on at sea level and used it to lean out the mixture at altitude by = backing off the choke. Do you have any knowledge of this, or other = methods of variable mixture control for Weber carbs in aircraft? Thanks for your comments, Dave McC On 8, Dec , at 10:49 AM, Lehanover@aol.com wrote:=20 There are many Weber books that show all you need. I have been = using one since 1980, if you have any problems.=20 Lynn E. Hanover ------=_NextPart_000_005F_01C5FC3B.71E302E0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable [FlyRotary] Re: 48 Weber
Ken;  In a note you posted 04 Feb = 04, you said=20 to set up with 200 main gas jets, 155 main air correction jets and = F-7=20 emulsion tubes and it should work fine.  Are these the jets you are = using=20 currently, or have you went with something else.  When the  = manual=20 comes I'll take a look and see what I have.  I have the photo you = posted of=20 the ram air setup, looks quite simple.  It looks like with a set of = high=20 pressure pumps and electric fuel valve that I cam use the Weber and, or = the fuel=20 injection on demand.  I have the fuel injection system and the = plumbing is=20 in for the fuel return to the tank.  Will start with the Weber as = project=20 must fly in spring.  Working on the wrong end of the time curve at=20 69.  Thanks for the info.  From the farm,  buried in = snow. JohnD
----- Original Message -----
From:=20 Ken=20 Welter
Sent: Thursday, December 08, = 2005 6:40=20 PM
Subject: [FlyRotary] Re: 48 = Weber

   That was probably me, its not = a choke=20 its an air ram that increases the air pressure in the Venturi in = comparison to=20 the float bole so the Venturi draws less fuel through the main jets, = when I=20 get by the airport tomorrow I will shoot a photo of it and also get = the jet=20 numbers I am running.
  Ken




Hi Lynn,
I read some time back where a = builder jetted=20 a DCOE to run with the choke on at sea level and used it to lean out = the=20 mixture at altitude by backing off the choke. Do you have any = knowledge of=20 this, or other methods of variable mixture control for Weber carbs = in=20 aircraft?
Thanks for your comments, Dave=20 McC

On 8, Dec , at 10:49 AM, = Lehanover@aol.com=20 wrote:=20

There are many=20 Weber books that show all you need. I have been using one since = 1980, if=20 you have any problems. 
 
Lynn E.=20 Hanover
 
 

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