X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 22 Aug 2011 10:09:42 -0400 Message-ID: X-Original-Return-Path: Received: from elasmtp-spurfowl.atl.sa.earthlink.net ([209.86.89.66] verified) by logan.com (CommuniGate Pro SMTP 5.4.1) with ESMTP id 5099256 for lml@lancaironline.net; Sun, 21 Aug 2011 18:04:15 -0400 Received-SPF: none receiver=logan.com; client-ip=209.86.89.66; envelope-from=colyncase@earthlink.net DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=earthlink.net; b=IOlSskFnQXiHIxRargwFnqIQQ2LzEg8VYQBhPkJOyBfVgGHduHD0mYLXkxvRI/OO; h=Received:From:Mime-Version:Content-Type:Subject:Date:In-Reply-To:To:References:Message-Id:X-Mailer:X-ELNK-Trace:X-Originating-IP; Received: from [70.20.47.85] (helo=[192.168.1.24]) by elasmtp-spurfowl.atl.sa.earthlink.net with esmtpa (Exim 4.67) (envelope-from ) id 1QvG7J-0006q3-IG for lml@lancaironline.net; Sun, 21 Aug 2011 18:03:41 -0400 From: Colyn Case Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: multipart/alternative; boundary=Apple-Mail-727-649571924 Subject: Re: [LML] Re: How do I run lean of peak? X-Original-Date: Sun, 21 Aug 2011 18:03:40 -0400 In-Reply-To: X-Original-To: "Lancair Mailing List" References: X-Original-Message-Id: <9E8BB553-471C-42F9-B6E6-CBFFD4B358E5@earthlink.net> X-Mailer: Apple Mail (2.1084) X-ELNK-Trace: 63d5d3452847f8b1d6dd28457998182d7e972de0d01da9407d31547b8a9b17213600236e0465f6c4350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 70.20.47.85 --Apple-Mail-727-649571924 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=windows-1252 Danny, I think the spread is a bit higher than that. ....but even without any fuel savings I would argue the course is still = worth it. In general, I would say that people that take this course will have = longer, not shorter TBO, will be able to more quickly diagnose engine = problems while airborne, and will be less likely to abuse their engines. = =20 e.g. if you save swapping a jug during your engine's lifetime you will = have paid for the course. On Aug 21, 2011, at 2:09 PM, Danny Miller wrote: > I=92m not convinced of the ROI for spending $995 on this course in my = particular case. As an example, for my LNC2 with an IO-360, if I burn 9 = gph running ROP and 8.5 gph running LOP (best case scenario), how long = does it take to recover the expense? To keep it simple, let=92s say I = spend $6/gal. So, that=92s $995 x gal/$6 / 0.5gph =3D 331.7 hrs, or = about 3 years of flying. So, the question becomes, is it worth all the = hub bub? Again, for me, I think not. For you guys with the high burn = rates, maybe so. But what is your actual hourly saving and is it worth = the additional stress on your engines for the potentially much lower = TBO? You decide and your mileage may vary. > =20 > Danny Miller > N 38=B0 43' 25.7" > W 77=B0 30' 38.6" > =20 > From: Steve Colwell [mailto:mcmess1919@yahoo.com]=20 > Sent: Thursday, August 18, 2011 12:40 PM > To: lml@lancaironline.net > Subject: How do I run lean of peak? > =20 > Claudette and I attended the Advanced Pilot Course a couple of years = ago. Of the 50 or so attendees, (and there were skeptics,) I don=92t = think anyone left without agreement their procedures are the best way to = operate an engine. The presentation is easy to follow with complete = explanation of what is happening and why. Any remaining questions are = answered and everything is documented. The cost of the course should be = easily amortized by fuel savings and reduced maintenance. They even = provide very comfortable swivel chairs.=20 > =20 > Steve Colwell Legacy IO-550 > =20 > =20 >=20 > Subject: [LML] How do I run lean of peak? > =20 > If you operate your engine ROP at high power settings you have a much = greater chance of damaging your engine than by anything you might do = LOP. > =20 > The next Live APS class is October 7-9. > =20 > Walter Atkinson > Advanced Pilot Seminars > =20 > =20 --Apple-Mail-727-649571924 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=windows-1252 Danny,

I think the spread is a = bit higher than that.
....but even without any fuel savings I = would argue the course is still worth it.
In general, I would = say that people that take this course will have longer, not shorter TBO, = will be able to more quickly diagnose engine problems while airborne, = and will be less likely to abuse their engines. =   

e.g. if you save swapping a jug = during your engine's lifetime you will have paid for the = course.

On Aug 21, 2011, at 2:09 PM, Danny = Miller wrote:

I=92m not convinced of the ROI for spending $995 on this = course in my particular case.  As an example, for my LNC2 with an = IO-360, if I burn 9 gph running ROP and 8.5 gph running LOP (best case = scenario), how long does it take to recover the expense?  To keep = it simple, let=92s say I spend $6/gal.  So, that=92s $995 x gal/$6 = / 0.5gph =3D 331.7 hrs, or about 3 years of flying.  So, the = question becomes, is it worth all the hub bub?  Again, for me, I = think not.  For you guys with the high burn rates, maybe so.  = But what is your actual hourly saving and is it worth the additional = stress on your engines for the potentially much lower TBO?  You = decide and your mileage may vary.
Danny = Miller
N 38=B0 43' = 25.7"
W 77=B0 30' = 38.6"
From: Steve = Colwell [mailto:mcmess1919@yahoo.com] 
Sent: Thursday, August 18, 2011 = 12:40 PM
To: lml@lancaironline.net
Subject: How do I run lean of = peak?
Claudette and I attended the Advanced = Pilot Course a couple of years ago.  Of the 50 or so attendees, = (and there were skeptics,) I don=92t think anyone left without agreement = their procedures are the best way to operate an engine.  The = presentation is easy to follow with complete explanation of what is = happening and why.  Any remaining questions are answered and = everything is documented.  The cost of the course should be easily = amortized by fuel savings and reduced maintenance.  They even = provide very comfortable swivel = chairs. 
Steve = Colwell  Legacy IO-550

 [LML] How do I run lean of = peak?
If you = operate your engine ROP at high power settings you have a much greater = chance of damaging your engine than by anything you might do = LOP.
The next Live APS class is October = 7-9.
Walter = Atkinson
Advanced Pilot = Seminars