X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 23 Oct 2013 10:04:02 -0400 Message-ID: X-Original-Return-Path: Received: from p3plsmtpa08-09.prod.phx3.secureserver.net ([173.201.193.110] verified) by logan.com (CommuniGate Pro SMTP 6.0.7) with ESMTP id 6561349 for lml@lancaironline.net; Wed, 23 Oct 2013 09:45:18 -0400 Received-SPF: none receiver=logan.com; client-ip=173.201.193.110; envelope-from=jayph@fastairplane.net Received: from shuriken ([69.92.48.82]) by p3plsmtpa08-09.prod.phx3.secureserver.net with id gdkf1m00P1mPo4M01dkg9t; Wed, 23 Oct 2013 06:44:40 -0700 From: "Jay Phillips" X-Original-To: "'Lancair Mailing List'" References: In-Reply-To: Subject: RE: [LML] Re: GAMIjector installation on TSIO 550 X-Original-Date: Wed, 23 Oct 2013 06:44:36 -0700 X-Original-Message-ID: <009f01cecff6$06cd37e0$1467a7a0$@fastairplane.net> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00A0_01CECFBB.5A6E5FE0" X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQGqnHxhAc8waJKPixgwNeXkOoTPOJpKsXYg Content-Language: en-us This is a multipart message in MIME format. ------=_NextPart_000_00A0_01CECFBB.5A6E5FE0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit I've heard, on two different occasions from Continental, that the minimum desired CHT was 320 dF. I was told that cylinders and pistons are manufactured out-of-round to compensate for unequal heating around the cylinder circumference, but are designed to be in-round in the normal operational temperature range. It was the Continental guy that was at the Branson fly-in that told me this, but I don't remember his name. Maybe Walter will see this and comment. Jay Phillips From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Colyn Case Sent: Wednesday, October 23, 2013 5:21 AM To: Lancair Mailing List Subject: [LML] Re: GAMIjector installation on TSIO 550 Neal did mention a number at Greenville but I don't remember what it was. I'm guessing low 300's. The reason being all the tolerances were set assuming a certain temperature. When it's colder they change. On Oct 23, 2013, at 7:45 AM, Dico Reijers wrote: I just got back from the Advanced Pilot course and I asked about the delta between high and low CHT temps and was told that a big spread (mine is about 90F between hot and cold) isn't a big deal and the engine will run fine. However, it is a baffling issue and thats how you can solve the issue if you want to keep the temps closer together. Continental apparantly doesn't publish a minimum CHT temp (unlike Lycoming) but they suggested that they would want to keep them at 235F or higher. -dr -- 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_00A0_01CECFBB.5A6E5FE0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I’ve heard, on two different occasions from Continental, that = the minimum desired CHT was 320 dF. I was told that cylinders and = pistons are manufactured out-of-round to compensate for unequal heating = around the cylinder circumference, but are designed to be in-round in = the normal operational temperature range.

It was the Continental guy that was at the Branson fly-in that told = me this, but I don’t remember his name. Maybe Walter will see this = and comment.

Jay Phillips

From:= = Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of = Colyn Case
Sent: Wednesday, October 23, 2013 5:21 = AM
To: Lancair Mailing List
Subject: [LML] Re: = GAMIjector installation on TSIO 550

Neal did = mention a number at Greenville but I don't remember what it was. = I'm guessing low 300's.

The reason being all the tolerances were set assuming = a certain temperature. When it's colder they = change.

On Oct 23, 2013, at 7:45 AM, Dico Reijers = wrote:

I just got back from the Advanced Pilot = course and I asked about the delta between high and low CHT temps and = was told that a big spread (mine is about 90F between hot and cold) = isn't a big deal and the engine will run fine. However, it is a = baffling issue and thats how you can solve the issue if you want to keep = the temps closer together. Continental apparantly doesn't = publish a minimum CHT temp (unlike Lycoming) but they suggested that = they would want to keep them at 235F or higher.

-dr

--
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 =

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