Return-Path: Sender: "Marvin Kaye" To: lml@lancaironline.net Date: Wed, 02 Mar 2005 11:33:46 -0500 Message-ID: X-Original-Return-Path: Received: from imo-m15.mx.aol.com ([64.12.138.205] verified) by logan.com (CommuniGate Pro SMTP 4.3c2) with ESMTP id 766394 for lml@lancaironline.net; Wed, 02 Mar 2005 10:49:36 -0500 Received-SPF: pass receiver=logan.com; client-ip=64.12.138.205; envelope-from=Sky2high@aol.com Received: from Sky2high@aol.com by imo-m15.mx.aol.com (mail_out_v37_r3.8.) id q.15c.4b4dc6a8 (16633) for ; Wed, 2 Mar 2005 10:48:47 -0500 (EST) From: Sky2high@aol.com X-Original-Message-ID: <15c.4b4dc6a8.2f573a5f@aol.com> X-Original-Date: Wed, 2 Mar 2005 10:48:47 EST Subject: Re: [LML] Re: Taxiing Matters - Not Taxing, Taxiing! X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1109778527" X-Mailer: 9.0 Security Edition for Windows sub 5000 -------------------------------1109778527 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 3/2/2005 9:25:12 A.M. Central Standard Time, lancair@ustek.com writes: Have you noted your fuel flow at full rich and leaned when taxiing? Perhaps it is a problem with my instrumentation but I've done this with my Lyc IO-360 and have seen no measurable drop in fuel flow. Any throttle position above a stuttering rough uses the same fuel. Robert, I have not monitored the fuel flow gauge carefully during this phase. It is about 1.5 GPH at 1000-1100 RPM. If I spend the time, I do see a rise of 20-30 RPM if I lean to "peak" RPM. Stuttering - something's wrong. I am operating with an electronic ignition (LASAR), fine wire plugs gapped more open than normal, .022 shrouded injectors that deliver cruise EGT peaks within .3 - .5 GPH (GAMI Lean Test) and other adjustments. Thus, I believe I have achieved a reasonable balance of the required 3 S's - Spark, SFuel and SAir - throughout all normal engine operation. I will try to get the FF info today (weather permitting - it's freaking cold here) as best I can as reported by the VM EPI800 engine monitor. Scott Krueger AKA Grayhawk Lancair N92EX IO320 SB 89/96 Aurora, IL (KARR) Fair and Balanced Opinions at No Charge! Metaphysical Monologues taken at your own Risk. -------------------------------1109778527 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

In a message dated 3/2/2005 9:25:12 A.M. Central Standard Time,=20 lancair@ustek.com writes:

<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>Have you=20 noted your fuel flow at full rich and leaned when taxiing? Perhaps i= t is=20 a problem with my instrumentation but I've done this with my Lyc IO-360 an= d=20 have seen no measurable drop in fuel flow. Any throttle position abo= ve a=20 stuttering rough uses the same fuel.

Robert,

I have not monitored the fuel flow gauge carefully during this phase.&n= bsp;=20 It is about 1.5 GPH at 1000-1100 RPM. If I spend the time, I do see a=20= rise=20 of 20-30 RPM if I lean to "peak" RPM.

Stuttering - something's wrong. I am operating with an electronic= =20 ignition (LASAR), fine wire plugs gapped more open than normal, .022=20 shrouded injectors that deliver cruise EGT peaks within .3 - .5 GPH (GA= MI=20 Lean Test) and other adjustments. Thus, I believe I have achieve= d a=20 reasonable balance of the required 3 S's - Spark, SFuel and SAir - throughou= t=20 all normal engine operation.

I will try to get the FF info today (weather permitting - it's freaking= =20 cold here) as best I can as reported by the VM EPI800 engine=20 monitor. =20

Scott Krueger=20 AKA Grayhawk
Lancair N92EX IO320 SB 89/96
Aurora, IL (KARR)

Fai= r=20 and Balanced Opinions at No Charge!
Metaphysical Monologues taken at your= own=20 Risk.

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