Return-Path: Sender: (Marvin Kaye) To: lml@lancaironline.net Date: Wed, 03 Sep 2003 11:51:38 -0400 Message-ID: X-Original-Return-Path: Received: from imo-m03.mx.aol.com ([64.12.136.6] verified) by logan.com (CommuniGate Pro SMTP 4.1.3) with ESMTP id 2565966 for lml@lancaironline.net; Wed, 03 Sep 2003 11:45:27 -0400 Received: from Sky2high@aol.com by imo-m03.mx.aol.com (mail_out_v36_r1.1.) id q.1cb.10521b3e (4410) for ; Wed, 3 Sep 2003 11:45:06 -0400 (EDT) From: Sky2high@aol.com X-Original-Message-ID: <1cb.10521b3e.2c876681@aol.com> X-Original-Date: Wed, 3 Sep 2003 11:45:05 EDT Subject: Re: [LML] Fuel Efficiency at low fuel flows X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1062603905" X-Mailer: 9.0 for Windows sub 1010 -------------------------------1062603905 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 9/3/2003 10:15:05 AM Central Daylight Time, dtaylor@crescentpark.com writes: What kind of speed do you get out of your 360's or Legacy's at low fuel burn rates of 6 or 7 gph? (I know it's weird to even operate at these low fuel burns but I am curious how the efficiency of these planes compares to the new Rotax powered 2 seaters out there. The best of them burn 5.5 gph and do about 160 mph, or 29 miles per gallon.) David Taylor David, In my 320, returning from Redmond at 13,500 and running ROP (Best Power), I was using 7.5 gph at a 220 mph TAS. Let's look at an 800 statute mile comparison - Rotax: 160 mph @ 5.5 gph would take 5 hours and use 27.5 gallons (29 mpg) My Lancair: 220 mph @ 7.5 gph would take about 3.6 hours and use 27 gallons (29 mpg). I would save 1:20 and a $1.50 (gas at $3.00/gal) - enough for a cup of coffee while I waited for the Rotax. Scott Krueger Sky2high@aol.com II-P N92EX IO320 Aurora, IL (KARR) -------------------------------1062603905 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

In a message dated 9/3/2003 10:15:05 AM Central Daylight Time, dtaylor@= crescentpark.com writes:

What kind of speed do you get out of your 360= 's or Legacy's at low fuel burn rates of 6 or 7 gph?

(I know it's weird to even operate at these l= ow fuel burns but I am curious how the efficiency of these planes compares t= o the new Rotax powered 2 seaters out there. The best of them burn 5.5= gph and do about 160 mph, or 29 miles per gallon.)

David Taylor
<= /BLOCKQUOTE>

David,

In my 320, returning from Redmond at 13,500 and running ROP (Best Power= ), I was using 7.5 gph at a 220 mph TAS.

Let's look at an 800 statute mile comparison -

Rotax: 160 mph @ 5.5 gph would take 5 hours and use 27.5 gallons (29 mp= g)

My Lancair: 220 mph @ 7.5 gph would take about 3.6 hours and use 27 gal= lons (29 mpg).

I would save 1:20 and a $1.50 (gas at $3.00/gal) - enough for a cup of=20= coffee while I waited for the Rotax.

Scott Krueger
Sky2high@aol.com
II-P N92EX IO320 Aurora, IL (KARR)

-------------------------------1062603905--