Return-Path: Sender: "Marvin Kaye" To: lml@lancaironline.net Date: Tue, 18 Jan 2005 07:59:05 -0500 Message-ID: X-Original-Return-Path: Received: from mailout2.pacific.net.au ([61.8.0.85] verified) by logan.com (CommuniGate Pro SMTP 4.2.8) with ESMTP id 611185 for lml@lancaironline.net; Tue, 18 Jan 2005 01:00:26 -0500 Received-SPF: none receiver=logan.com; client-ip=61.8.0.85; envelope-from=domcrain@pacific.net.au Received: from mailproxy1.pacific.net.au (mailproxy1.pacific.net.au [61.8.0.86]) by mailout2.pacific.net.au (8.12.3/8.12.3/Debian-7.1) with ESMTP id j0I5xrHn025114 for ; Tue, 18 Jan 2005 16:59:53 +1100 Received: from CRAIN (ppp06A0.dsl.pacific.net.au [203.17.44.160]) by mailproxy1.pacific.net.au (8.12.3/8.12.3/Debian-7.1) with ESMTP id j0I5xnj8006043 for ; Tue, 18 Jan 2005 16:59:51 +1100 From: "Dominic V. Crain" X-Original-To: "'Lancair Mailing List'" Subject: Knots - not X-Original-Date: Tue, 18 Jan 2005 16:59:48 +1100 X-Original-Message-ID: <000501c4fd22$eb245a00$0301010a@CRAIN> MIME-Version: 1.0 Content-Type: multipart/related; boundary="----=_NextPart_000_0006_01C4FD7F.1E94D200" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.2627 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0006_01C4FD7F.1E94D200 Content-Type: multipart/alternative; boundary="----=_NextPart_001_0007_01C4FD7F.1E94D200" ------=_NextPart_001_0007_01C4FD7F.1E94D200 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit The post I made was for a small but important debate re the KNOT factor. It just seemed to me, over here on the upper side of the planet, that some guys down under ( i.e., the US) might use the term MPH when indeed they mean KNOTS. Having been over that before as we know, I wanted to now obtain some of your data for stall speeds at MTOW in the approach config. I am interested to know if we are all using a defined measure of approach speed over the stall, i.e., 1.3 Vs. For example, my aircraft stalls in the approach config. at 64 knots after a MTOW. So near enough to max weight of 816 Kgs (1800 lbs). That is a minimum approach of 83 KNOTS. Pucker factor means I approach at 90 KNOTS, and bleed to 85 over the fence. That approach speed gives me a lot of leeway in the event, which occurs regularly in the MBZ, some manoeuvring is required for traffic. It also accounts for turbulence and my incompetence. Nevertheless these aircraft are unforgiving if you run out of speed, and I would rather err on the fat side than the lean. So we all know what we mean, I reckon we should all get KNOTTED. I LOVE METARS. Regards Dom ------=_NextPart_001_0007_01C4FD7F.1E94D200 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

The post I made was for a small = but important debate re the KNOT factor.

It just seemed to me, over here = on the upper side of the planet, that some guys down under ( i.e., the US) might use the term MPH when indeed they mean = KNOTS.

Having been over that before as = we know, I wanted to now obtain some of your data for stall speeds at MTOW in the = approach config.

I am interested to know if we = are all using a defined measure of approach speed over the stall, i.e., 1.3 = Vs.

For example, my aircraft stalls = in the approach config. at 64 knots after a MTOW. So = near enough to max weight of 816 Kgs (1800 lbs).

That is a minimum approach of 83 = KNOTS.

Pucker factor means I approach = at 90 KNOTS, and bleed to 85 over the fence.

That approach speed gives me a = lot of leeway in the event, which occurs regularly in the MBZ, some manoeuvring = is required for traffic. It also accounts for turbulence and my = incompetence.

Nevertheless these aircraft are = unforgiving if you run out of speed, and I would rather err on the fat side than the = lean.

So we all know what we mean, I = reckon we should all get KNOTTED.

I LOVE = METARS.

Regards

Dom

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