X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 17 Aug 2011 10:08:22 -0400 Message-ID: X-Original-Return-Path: Received: from smtpauth12.prod.mesa1.secureserver.net ([64.202.165.35] verified) by logan.com (CommuniGate Pro SMTP 5.4.1) with SMTP id 5095003 for lml@lancaironline.net; Wed, 17 Aug 2011 09:57:41 -0400 Received-SPF: none receiver=logan.com; client-ip=64.202.165.35; envelope-from=jayph@fastairplane.net Received: (qmail 11959 invoked from network); 17 Aug 2011 13:57:05 -0000 Received: from unknown (174.126.244.48) by smtpauth12.prod.mesa1.secureserver.net (64.202.165.35) with ESMTP; 17 Aug 2011 13:57:04 -0000 Reply-To: From: "Jay Phillips" X-Original-To: "'Lancair Mailing List'" References: In-Reply-To: Subject: RE: [LML] How do I run lean of peak? X-Original-Date: Wed, 17 Aug 2011 06:57:14 -0700 X-Original-Message-ID: <01b601cc5ce5$9209be40$b61d3ac0$@net> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_01B7_01CC5CAA.E5AAE640" X-Mailer: Microsoft Office Outlook 12.0 Content-Language: en-us Thread-Index: Acxc0uAgYMQ7vanbSsSu+15/f220aQAEdylA This is a multi-part message in MIME format. ------=_NextPart_000_01B7_01CC5CAA.E5AAE640 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit I strongly recommend that you learn to operate your engine LOP by first taking the class from Advanced Pilot Seminars (www.advancedpilot.com) . You will not only learn the "how" of LOP operation, but also the "why". If you simply operate from a formula without understanding how the engine is operating, it is possible to damage your engine by running LOP. They offer an online class which I took shortly after purchasing my Legacy. It was one of the best aviation purchases I have made. Jay Phillips From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Dico Reijers Sent: Wednesday, August 17, 2011 4:43 AM To: lml@lancaironline.net Subject: [LML] How do I run lean of peak? Hi All, I am new to LOP operations and am looking for some help. I spoke with some IV-P owners in oshkosh about this and just wanted to get some more info and clarification. I understand that i should run ROP until altitude, then i can run LOP. The CHTs are supposed to be 390 or less and the TIT 1650 or less. So since i have not made the "big pull" before, i would like to know how exactly is the best way. Do i set the cruise power, say 30" and 2500rpm, then slowly turn out the mixture... Watch the temps rise ( how hot does it get before it starts to go down again?) and then keep leaning until i get the TIT back to 1650 and CHT to 380ish or below? How fast should the leaning happen? I understand i dont want to get the chts and tits really hot, so i presume i should be leaning relatively quickly (half a mixture turn per second?) Has someone ever made a little video with their point and shoot camera of this process while up in the air? This would be handy for someone new to running LOP. Thanks all, Dico -- Regards, Dico Reijers InternetWorks Ltd. 300 University Avenue Charlottetown PE, C1A 4M4 902-892-4671 (T) 888-368-9484 (F) www.internetworks.ca www.apartmentspei.com ------=_NextPart_000_01B7_01CC5CAA.E5AAE640 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I strongly recommend that you learn to operate your engine LOP by = first taking the class from Advanced Pilot Seminars (www.advancedpilot.com) . You = will not only learn the “how” of LOP operation, but also the = “why”. If you simply operate from a formula without = understanding how the engine is operating, it is possible to damage your = engine by running LOP.

They offer an online class which I took shortly after purchasing my = Legacy. It was one of the best aviation purchases I have = made.

Jay Phillips

From:= = Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of = Dico Reijers
Sent: Wednesday, August 17, 2011 4:43 = AM
To: lml@lancaironline.net
Subject: [LML] How do I = run lean of peak?

Hi = All,

I am new to LOP operations and am looking for some help. = I spoke with some IV-P owners in oshkosh about this and just = wanted to get some more info and clarification.

I understand that = i should run ROP until altitude, then i can run LOP. The CHTs are = supposed to be 390 or less and the TIT 1650 or less. So since i have not = made the "big pull" before, i would like to know how exactly = is the best way. Do i set the cruise power, say 30" and = 2500rpm, then slowly turn out the mixture... Watch the temps rise ( how = hot does it get before it starts to go down again?) and then keep = leaning until i get the TIT back to 1650 and CHT to 380ish or below? = How fast should the leaning happen? I understand i dont want to = get the chts and tits really hot, so i presume i should be leaning = relatively quickly (half a mixture turn per second?)

Has someone = ever made a little video with their point and shoot camera of this = process while up in the air? This would be handy for someone new = to running LOP.

Thanks all,

Dico

-- =
Regards,

Dico Reijers

InternetWorks Ltd.
300 = University Avenue
Charlottetown
PE, C1A 4M4

902-892-4671 = (T)
888-368-9484 (F)

www.internetworks.ca
www.apartmentspei.com

------=_NextPart_000_01B7_01CC5CAA.E5AAE640--