Return-Path: Received: from smtp.knology.net ([24.214.63.101] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with SMTP id 532318 for flyrotary@lancaironline.net; Sun, 14 Nov 2004 18:07:14 -0500 Received-SPF: pass receiver=logan.com; client-ip=24.214.63.101; envelope-from=rv7rotary@knology.net Received: (qmail 3475 invoked by uid 0); 14 Nov 2004 23:07:20 -0000 Received: from user-69-73-37-34.knology.net (HELO Silver) (69.73.37.34) by smtp6.knology.net with SMTP; 14 Nov 2004 23:07:20 -0000 From: "Chris Sargent" To: "Rotary motors in aircraft" Subject: Finn's fuel pump Date: Sun, 14 Nov 2004 17:06:59 -0600 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C4CA6C.5A44E600" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.6604 (9.0.2911.0) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C4CA6C.5A44E600 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Finn, It sounds from your post below as if the connection leading into your fuel pump might be leaking. If it was, it would produce bubbles on the high pressure side and would be worse in a climb with the tanks farther below the pump, creating a higher suction. Chris Sargent >Did you solve the problem of "bubbles" in the fuel line between the tank and the boost pump? > Actually the air bubbles are in the line between the pump and the carbs (after the pump)! ------=_NextPart_000_0001_01C4CA6C.5A44E600 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Finn,

It sounds from your post below as if = the=20 connection leading into your fuel pump might be leaking.  If it = was, it=20 would produce bubbles on the high pressure side and would be worse in a = climb=20 with the tanks farther below the pump, creating a higher = suction.

Chris=20 Sargent

>Did you solve the problem of = "bubbles" in=20 the fuel line between the tank and the boost = pump? 
>
Actually the=20 air bubbles are in the line between the pump and the carbs (after the=20 pump)!

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