X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 30 Sep 2008 10:47:55 -0400 Message-ID: X-Original-Return-Path: Received: from [64.12.143.101] (HELO imo-m13.mail.aol.com) by logan.com (CommuniGate Pro SMTP 5.2.8) with ESMTP id 3191669 for lml@lancaironline.net; Mon, 29 Sep 2008 14:12:13 -0400 Received: from VTAILJEFF@aol.com by imo-m13.mx.aol.com (mail_out_v39.1.) id q.d0b.356e71b4 (37144) for ; Mon, 29 Sep 2008 14:12:06 -0400 (EDT) Received: from smtprly-da01.mx.aol.com (smtprly-da01.mx.aol.com [205.188.249.144]) by cia-ma03.mx.aol.com (v121_r2.11) with ESMTP id MAILCIAMA036-911848e11a76122; Mon, 29 Sep 2008 14:12:06 -0400 Received: from webmail-de12 (webmail-de12.webmail.aol.com [205.188.104.33]) by smtprly-da01.mx.aol.com (v121_r2.12) with ESMTP id MAILSMTPRLYDA011-5baa48e11a72263; Mon, 29 Sep 2008 14:12:02 -0400 References: X-Original-To: lml@lancaironline.net Subject: Re: [LML] Re: Fuel Quantity check question X-Original-Date: Mon, 29 Sep 2008 14:12:02 -0400 X-AOL-IP: 75.49.224.86 In-Reply-To: X-MB-Message-Source: WebUI MIME-Version: 1.0 From: vtailjeff@aol.com X-MB-Message-Type: User Content-Type: multipart/alternative; boundary="--------MB_8CAF0760196E864_175C_62B_webmail-de12.sysops.aol.com" X-Mailer: AOL Webmail 38991-STANDARD Received: from 75.49.224.86 by webmail-de12.sysops.aol.com (205.188.104.33) with HTTP (WebMailUI); Mon, 29 Sep 2008 14:12:02 -0400 X-Original-Message-Id: <8CAF0760181730D-175C-2F0@webmail-de12.sysops.aol.com> X-Spam-Flag:NO ----------MB_8CAF0760196E864_175C_62B_webmail-de12.sysops.aol.com Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii" fuel flow gauges don't tell you what is in the tank only what you have run through the gauge. Lorn almost ran out of fuel a couple of years ago using his methodology-- "gigo" garbage in = garbage out. My recommendation since fuel starvation/ exhaustion is the leading cause of power losses is belt and suspenders-- fuel gauges and fuel flow devices. respectfully Jeff -----Original Message----- From: Robert Pastusek To: lml@lancaironline.net Sent: Mon, 29 Sep 2008 12:13 pm Subject: [LML] Re: Fuel Quantity check question I'd like to second Lorn's post below about installing/using a fuel flow "totalizer." ...What (Bryan) should do is install a fuel flow instrument. With fuel flow, you will not only know, much more accurately, how much fuel that you have. You will know how much longer you can fly. Fuel flow instruments are much more accurate than gauges and the install would be in the engine compartment (and panel) and not in the fuel tanks... I have an Electronics International MVP-50 in my IV-P and it consistently measures fuel consumed within 1% of actual. (Total capacity minus fuel required to refill equals actual fuel consumed--any discrepancy this and what you added during refuel means an error in the flow totalizer--usually very small; and most systems can be calibrated.) You have to verify this by starting with full tanks and refueling to full again after a flight, but as with Lorn, I've found my totalizer function to be more accurate than the quantity gauges. EI's MVP-50 is a complete aircraft/engine monitoring system, but they also make stand alone fuel flow/totalizers, as do others. Hope this helps. BOB -- For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.html ----------MB_8CAF0760196E864_175C_62B_webmail-de12.sysops.aol.com Content-Transfer-Encoding: 7bit Content-Type: text/html; charset="us-ascii" fuel flow gauges don't tell you what is in the tank only what you have run through the gauge. Lorn almost ran out of fuel a couple of years ago using his methodology-- "gigo" garbage in = garbage out. My recommendation since fuel starvation/ exhaustion is the leading cause of power losses is belt and suspenders-- fuel gauges and fuel flow devices.

respectfully

Jeff


-----Original Message-----
From: Robert Pastusek <rpastusek@htii.com>
To: lml@lancaironline.net
Sent: Mon, 29 Sep 2008 12:13 pm
Subject: [LML] Re: Fuel Quantity check question

I'd like to second Lorn's post below about installing/using a fuel flow
"totalizer." 

...What (Bryan) should do is install a fuel flow instrument. With fuel flow,

you will not only know, much more accurately, how much fuel that you  
have. You will know how much longer you can fly. Fuel flow instruments  
are much more accurate than gauges and the install would be in the  
engine compartment (and panel) and not in the fuel tanks...

I have an Electronics International MVP-50 in my IV-P and it consistently
measures fuel consumed within 1% of actual. (Total capacity minus fuel
required to refill equals actual fuel consumed--any discrepancy this and
what you added during refuel means an error in the flow totalizer--usually
very small; and most systems can be calibrated.) You have to verify this by
starting with full tanks and refueling to full again after a flight, but as
with Lorn, I've found my totalizer function to be more accurate than the
quantity gauges. EI's MVP-50 is a complete aircraft/engine monitoring
system, but they also make stand alone fuel flow/totalizers, as do others.

Hope this helps.

BOB




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