X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 24 Jul 2014 14:45:06 -0400 Message-ID: X-Original-Return-Path: Received: from vipmail.volcano.net ([208.3.194.23] verified) by logan.com (CommuniGate Pro SMTP 6.0.9e) with ESMTPS id 6997379 for lml@lancaironline.net; Thu, 24 Jul 2014 14:15:03 -0400 Received-SPF: pass receiver=logan.com; client-ip=208.3.194.23; envelope-from=pinetownd@volcano.net Received: from [65.165.165.211] (helo=DennisPC) by vipmail.volcano.net with esmtpa (Exim 4.80.1) (envelope-from ) id 1XANVx-0001BH-Rz for lml@lancaironline.net; Thu, 24 Jul 2014 11:13:13 -0700 X-Original-Message-ID: <1B8A9A40A90F4BF791B1EEEFDFC628B9@DennisPC> From: "Dennis Johnson" X-Original-To: "Lancair Mailing List" Subject: RE: Gascolators and fuel lines X-Original-Date: Thu, 24 Jul 2014 11:14:38 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_4764_01CFA730.751AC070" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6002.18197 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18463 This is a multi-part message in MIME format. ------=_NextPart_000_4764_01CFA730.751AC070 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Adam suggested (as a thought experiment only!) pouring a cup of water = into a gas tank and then running the engine at high power to see what = would happen. =20 To extend the thought experiment, takeoff power in my Legacy burns a = gallon of gasoline every two minutes, or 0.5 gallons per minute. A cup = of water, if it somehow stayed together, would flush through the engine = in about eight seconds. That's probably faster than I could react and = switch fuel tanks, turn the boost pump on, and set up for best glide. =20 Of course, if that happened just as I cleared the departure end of the = runway, that could be a very long eight seconds. The point is that at = takeoff power, a slug of water in a well maintained fuel system would = flush itself through the engine in seconds. =20 I once owned a Caterpillar D2 bulldozer. It had big capital letters = cast into the Diesel fuel cap that is good advice for us all: "BUY = CLEAN FUEL. KEEP FUEL CLEAN."=20 Dennis Legacy, 740 hours, no water detected in fuel sumps or gascolater so far. ------=_NextPart_000_4764_01CFA730.751AC070 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable

Adam suggested (as a thought experiment only!) pouring a cup of = water into=20 a gas tank and then running the engine at high power to see what would=20 happen.

To extend the thought experiment, takeoff power in my Legacy burns = a gallon=20 of gasoline every two minutes, or 0.5 gallons per minute. A cup of = water,=20 if it somehow stayed together, would flush through the engine in about = eight=20 seconds. That's probably faster than I could react and switch fuel = tanks,=20 turn the boost pump on, and set up for best glide.

Of course, if that happened just as I cleared the departure end of = the=20 runway, that could be a very long eight seconds. The point is that = at=20 takeoff power, a slug of water in a well maintained fuel system = would flush=20 itself through the engine in seconds.

I once owned a Caterpillar D2 bulldozer. It had big capital = letters=20 cast into the Diesel fuel cap that is good advice for us all: = "BUY=20 CLEAN FUEL. KEEP FUEL CLEAN."

Dennis

Legacy, 740 hours, no water detected in fuel sumps or gascolater so = far.

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