X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 02 Jul 2012 21:35:43 -0400 Message-ID: X-Original-Return-Path: Received: from [205.186.160.203] (HELO server.rmcginc.com) by logan.com (CommuniGate Pro SMTP 5.4.6) with ESMTPS id 5635485 for lml@lancaironline.net; Mon, 02 Jul 2012 17:53:48 -0400 Received-SPF: none receiver=logan.com; client-ip=205.186.160.203; envelope-from=r.rickard@rcginc-us.com Received: (qmail 16316 invoked from network); 2 Jul 2012 14:53:12 -0700 Received: from 24-107-105-58.dhcp.stls.mo.charter.com (HELO ?192.168.1.38?) (24.107.105.58) by rmcomserver.com with SMTP; 2 Jul 2012 14:53:12 -0700 From: Bob Rickard Mime-Version: 1.0 (Apple Message framework v1278) Content-Type: multipart/alternative; boundary="Apple-Mail=_8EA1FBED-FA71-4283-BCFB-DE3F1BF05DC2" Subject: IV-P High altitude performance question X-Original-Date: Mon, 2 Jul 2012 16:53:11 -0500 In-Reply-To: X-Original-To: "Lancair Mailing List" References: X-Original-Message-Id: X-Mailer: Apple Mail (2.1278) --Apple-Mail=_8EA1FBED-FA71-4283-BCFB-DE3F1BF05DC2 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Gents -=20 Looking for your inputs. What has been your experience with respect to = manifold pressure at altitudes above 20,000 feet? =20 Are you able to keep maximum MAP all the way up, and what is your = critical altitude where you start to see a drop? =20 And how high do you fly? =20 And lastly, what cruise settings do you use once you get up there? I paid extra money for upgraded turbo's (from a Mirage, which have = bigger turbine wheels) in my engine rebuild, and want to see what my = expectations should be based on your experiences. If you happen to have = a TSIO-550-X from Barrett that has this modification I would be = especially interested in your experience up high. I fly long distance = (> 1100 miles non stop) routinely and would love to get in the FL250 = range. Thanks for your inputs -=20 Bob Rickard --Apple-Mail=_8EA1FBED-FA71-4283-BCFB-DE3F1BF05DC2 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii Gents = -

Looking for your inputs. What has been = your experience with respect to manifold pressure at altitudes above = 20,000 feet?

Are you able to keep maximum MAP all the = way up, and what is your critical altitude where you start to see a = drop?

And how high do you fly?

And = lastly, what cruise settings do you use once you get up = there?

I paid extra money for upgraded turbo's = (from a Mirage, which have bigger turbine wheels) in my engine rebuild, = and want to see what my expectations should be based on your = experiences. If you happen to have a TSIO-550-X from Barrett that = has this modification I would be especially interested in your = experience up high. I fly long distance (> 1100 miles non stop) = routinely and would love to get in the FL250 range. Thanks for = your inputs -

Bob = Rickard

= --Apple-Mail=_8EA1FBED-FA71-4283-BCFB-DE3F1BF05DC2--