X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 03 Apr 2013 19:43:59 -0400 Message-ID: X-Original-Return-Path: Received: from p3plsmtpa08-07.prod.phx3.secureserver.net ([173.201.193.108] verified) by logan.com (CommuniGate Pro SMTP 6.0.4) with ESMTP id 6179101 for lml@lancaironline.net; Wed, 03 Apr 2013 18:14:01 -0400 Received-SPF: none receiver=logan.com; client-ip=173.201.193.108; envelope-from=jayph@fastairplane.net Received: from shuriken ([69.92.48.82]) by p3plsmtpa08-07.prod.phx3.secureserver.net with id KaDR1l00A1mPo4M01aDRT2; Wed, 03 Apr 2013 15:13:25 -0700 From: "Jay Phillips" X-Original-To: "'Lancair Mailing List'" References: In-Reply-To: Subject: RE: [LML] Minimum MP for pressurization X-Original-Date: Wed, 3 Apr 2013 15:13:12 -0700 X-Original-Message-ID: <004d01ce30b8$6f102d90$4d3088b0$@fastairplane.net> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_004E_01CE307D.C2B1CAC0" X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQJ/MDpTy888nkXnws3sZ0sG4k9I6pdjEBpQ Content-Language: en-us This is a multipart message in MIME format. ------=_NextPart_000_004E_01CE307D.C2B1CAC0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit I'm able to maintain 5,000 cabin altitude (my home base is 5,100) at 17,500 with 23" MAP. And I know my cabin leaks. Jay Phillips From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Dico Reijers Sent: Wednesday, April 03, 2013 2:43 PM To: lml@lancaironline.net Subject: [LML] Minimum MP for pressurization Hello all, I was looking through the TSIO-550 Power Settings Chart and noticed that it said the min MP for pressurization was 31.5".... I'm just wondering if this is true for all IVPs? I was up to FL170 the other day at 28.5" and the cabin was showing perhaps 7800. Should I assume that if I was running at 31.5" that the cabin might only have been showing perhaps 5000'? The reason I ask is because I'm thinking if we're at FL170 and the cabin is pushing 8000, then at FL250 (or even FL210) the cabin pressure would be well over 10,000'. I had thought it might have been because I have a leaky cabin or something.... but perhaps its because I'm being too cheap with the fuel.... Thoughts? -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_004E_01CE307D.C2B1CAC0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I’m able to maintain 5,000 cabin altitude (my home base is = 5,100) at 17,500 with 23” MAP. And I know my cabin = leaks.

Jay Phillips

From:= = Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of = Dico Reijers
Sent: Wednesday, April 03, 2013 2:43 = PM
To: lml@lancaironline.net
Subject: [LML] Minimum = MP for pressurization

Hello = all,

I was looking through the TSIO-550 Power Settings Chart and = noticed that it said the min MP for pressurization was = 31.5".... I'm just wondering if this is true for all = IVPs?

I was up to FL170 the other day at 28.5" and the cabin = was showing perhaps 7800. Should I assume that if I was running at = 31.5" that the cabin might only have been showing perhaps = 5000'? The reason I ask is because I'm thinking if we're at = FL170 and the cabin is pushing 8000, then at FL250 (or even FL210) the = cabin pressure would be well over 10,000'. I had thought it might = have been because I have a leaky cabin or something.... but perhaps its = because I'm being too cheap with the = fuel....

Thoughts?

-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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