X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from elasmtp-mealy.atl.sa.earthlink.net ([209.86.89.69] verified) by logan.com (CommuniGate Pro SMTP 6.0.5) with ESMTP id 6301344 for lml@lancaironline.net; Fri, 31 May 2013 22:15:56 -0400 Received-SPF: none receiver=logan.com; client-ip=209.86.89.69; envelope-from=colyncase@earthlink.net DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=earthlink.net; b=CxoKYOLWwR54Skg7dh1MeWD7TnxWFSpj6IXMyke1Ujdr28ZUrL26lwDvgspZCrxw; 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 [71.181.17.133] (helo=[192.168.1.24]) by elasmtp-mealy.atl.sa.earthlink.net with esmtpa (Exim 4.67) (envelope-from ) id 1UibLm-0003Q7-MH for lml@lancaironline.net; Fri, 31 May 2013 22:15:23 -0400 From: Colyn Case Mime-Version: 1.0 (Apple Message framework v1085) Content-Type: multipart/alternative; boundary=Apple-Mail-365-903698308 Subject: Re: [LML] Re: Lancair 360 CHT during climb Date: Fri, 31 May 2013 22:15:22 -0400 In-Reply-To: To: "Lancair Mailing List" References: Message-Id: X-Mailer: Apple Mail (2.1085) X-ELNK-Trace: 63d5d3452847f8b1d6dd28457998182d7e972de0d01da94030f4c1a5236aee1d37263651e962b2d8350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 71.181.17.133 --Apple-Mail-365-903698308 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=windows-1252 350 is 77% 415 is 44% On May 31, 2013, at 4:14 PM, Gary Edwards wrote: Looks like at 350 we better stop flying. =20 Gary ----- Original Message ----- From: Craig Berland To: lml@lancaironline.net Sent: Friday, May 31, 2013 10:26 AM Subject: [LML] Re: Lancair 360 CHT during climb With my limited patience, I cannot seem to find the strength vs temp = charts for various aluminum alloys. Here is some data for 2124-T851. As I remember the cast alloy for our cylinder heads is worse than this = and the curve gets steeper as you increase the temp past 400 degF. Look at the second chart carefully and then consider cruising with 420 = degF CHT=92s. Craig Berland =20 --Apple-Mail-365-903698308 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=windows-1252 350 is 77%
415 is = 44%


On May 31, 2013, at 4:14 PM, = Gary Edwards wrote:

----- Original Message -----
 Friday, = May 31, 2013 10:26 AM
Subject: [LML] Re: Lancair 360 CHT = during climb

With = my limited patience, I cannot seem to find the strength vs temp charts = for various aluminum alloys.  Here is some data for = 2124-T851.
As I = remember the cast alloy for our cylinder heads is worse than this and = the curve gets steeper as you increase the temp past 400 = degF.
Look = at the second chart carefully and then consider cruising with 420 degF = CHT=92s.
Craig = Berland