Return-Path: Sender: "Marvin Kaye" To: lml@lancaironline.net Date: Wed, 29 Dec 2004 21:38:38 -0500 Message-ID: X-Original-Return-Path: Received: from imo-d21.mx.aol.com ([205.188.144.207] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 583676 for lml@lancaironline.net; Wed, 29 Dec 2004 19:17:56 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.188.144.207; envelope-from=Tubamanflies@aol.com Received: from Tubamanflies@aol.com by imo-d21.mx.aol.com (mail_out_v37_r3.8.) id q.e2.9d26cac (24895) for ; Wed, 29 Dec 2004 19:17:19 -0500 (EST) From: Tubamanflies@aol.com X-Original-Message-ID: X-Original-Date: Wed, 29 Dec 2004 19:17:19 EST Subject: Re: [LML] Re: Fuel flow measurement X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_e2.9d26cac.2f04a30f_boundary" X-Mailer: 8.0 for Windows sub 6811 --part1_e2.9d26cac.2f04a30f_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Scott, Thanks for setting me straight. I hoped the new displays were using real flow meters. I just have fuel pressure so I will leave the rest of the discussion to those who have the instrumentation to support their engine performance. I am happy to be going faster than I do in our Tiger, even without the back seats that usally just go along for the ride. Thanks Ray Gardner LNC2@CWF In a message dated 12/29/04 6:06:41 PM Central Standard Time, Sky2high@aol.com writes: > Ray, > > All VM system fuel flow sensors use a turbine (same as JPI, etc.), just like > the water wheel in your local grist mill down in the historic district. If > installed properly, it is extremely accurate - assuming the gas pump's gauge > used when topping my plane are accurate - I might be off by .3 gallon in 30 > gallons. Since the FF is used to calculate remaining fuel (not the highly > accurate fuel probe information), 1% ain't bad. That is accurate enough for me > and always in the right direction - VM says I used more fuel than I actually > did. > > Scott Krueger AKA Grayhawk > Lancair N92EX IO320 Aurora, IL (KARR) > > --part1_e2.9d26cac.2f04a30f_boundary Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Scott,

Thanks for setting me straight.   I hoped the new displays were us= ing real flow meters.

I just have fuel pressure so I will leave the rest of the discussion to thos= e who have the instrumentation to support their engine performance.  I=20= am happy to be going faster than I do in our Tiger, even without the back se= ats that usally just go along for the ride.

Thanks

Ray Gardner
LNC2@CWF

In a message dated 12/29/04 6:06:41 PM Central Standard Time, Sky2high@aol.c= om writes:

Ray,
 
All VM system fuel flow sensors use a turbine (same as JPI, etc.), just like= the water wheel in your local grist mill down in the historic district.&nbs= p; If installed properly, it is extremely accurate - assuming the gas pump's= gauge used when topping my plane are accurate - I might be off by .3 gallon= in 30 gallons.  Since the FF is used to calculate remaining fuel (not=20= the highly accurate fuel probe information), 1% ain't bad.  That is acc= urate enough for me and always in the right direction - VM says I used more=20= fuel than I actually did.
 
Scott Krueger AKA Grayhawk
Lancair N92EX IO320 Aurora, IL (KARR)



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