X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao09.cox.net ([68.230.241.30] verified) by logan.com (CommuniGate Pro SMTP 4.3.4) with ESMTP id 1010018 for flyrotary@lancaironline.net; Wed, 22 Jun 2005 10:47:03 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.30; envelope-from=ALVentures@cox.net Received: from BigAl ([68.7.14.39]) by fed1rmmtao09.cox.net (InterMail vM.6.01.04.00 201-2131-118-20041027) with ESMTP id <20050622144617.NIMU7275.fed1rmmtao09.cox.net@BigAl> for ; Wed, 22 Jun 2005 10:46:17 -0400 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] "Surge" tanks and air bleeding was Re: [FlyRotary] EFI Fuel Testing Date: Wed, 22 Jun 2005 07:46:32 -0700 Message-ID: <000401c57739$2e9c17b0$6400a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0005_01C576FE.823D3FB0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0005_01C576FE.823D3FB0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable =20 Additionally, anywhere you get an air lock (as opposed to a vapour = lock), you will have trouble passing fuel, so any unavoidable high = points/loops etc in the system should have some sort of bleed nipple. =20 Leon; =20 My system is essentially as you describe except my sump is larger (2 =BD = gal). I assume the above statement refers to =91before the pump=92 because I = don=92t see any issue with a high point in the line downstream from the EFI pump. = My experience is that any air in the line is easily pushed through and past = the regulator back to the sump. And why not =96 the only resistance to it = moving through is the very small pressure head between the high point and the regulator. =20 Al ------=_NextPart_000_0005_01C576FE.823D3FB0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

 

Additionally,=A0 anywhere you get an air lock (as opposed to a vapour = lock),

you will have trouble passing fuel,=A0 so any unavoidable=A0 high = points/loops

etc in the system should have some sort of bleed nipple.

 

Leon;

 <= /font>

My system is essentially as you describe except my sump is larger (2 =BD gal).=A0 I = assume the above statement refers to ‘before the pump’ because I = don’t see any issue with a high = point in the line downstream from the EFI pump.=A0 My experience is that any air in = the line is easily pushed through and past the regulator back to the sump.=A0 And = why not – the only resistance to it moving through is the very small pressure head = between the high point and the = regulator.

 <= /font>

Al

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