X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 15 Dec 2009 13:03:58 -0500 Message-ID: X-Original-Return-Path: Received: from vms173011pub.verizon.net ([206.46.173.11] verified) by logan.com (CommuniGate Pro SMTP 5.3c3) with ESMTP id 4021955 for lml@lancaironline.net; Tue, 15 Dec 2009 12:53:14 -0500 Received-SPF: pass receiver=logan.com; client-ip=206.46.173.11; envelope-from=n5zq@verizon.net Received: from newness ([173.72.129.117]) by vms173011.mailsrvcs.net (Sun Java(tm) System Messaging Server 6.3-7.04 (built Sep 26 2008; 32bit)) with ESMTPA id <0KUP00IANGB3FVDB@vms173011.mailsrvcs.net> for lml@lancaironline.net; Tue, 15 Dec 2009 11:52:15 -0600 (CST) X-Original-Message-id: <0C26E2E12D6949128CD37488B60EB24F@newness> From: "Bill" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] Re: Legacy Crash Watsonville? X-Original-Date: Tue, 15 Dec 2009 12:52:56 -0500 MIME-version: 1.0 Content-type: multipart/alternative; boundary="----=_NextPart_000_001A_01CA7D85.85B1B9E0" X-Priority: 3 X-MSMail-priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5843 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 This is a multi-part message in MIME format. ------=_NextPart_000_001A_01CA7D85.85B1B9E0 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Hi Bill, Your recent post about making the "sacrifice the airplane" decision on = the ground was excellent advice. I've helped repair a gear up Lancair = landing and it did very little damage to the airframe (235). =20 I've got one little, tiny, minor, not all that important, good mostly = for hangar flying, point to make though. You said "the glide ratio is = pretty darned good if all the levers are pulled aft". It is, and the = prop in high pitch (pulled aft) makes a substantial difference. However, = once all of the important stuff has been done and assuming that the = engine is windmilling, you can actually improve the glide ratio a very = small amount by OPENING the throttle. The pistons then aren't pulling = against the low pressure caused by the closed throttle.=20 Bill Harrelson N5ZQ 320 1,750 hrs N6ZQ IV under construction ------=_NextPart_000_001A_01CA7D85.85B1B9E0 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable

Hi Bill,

Your recent post about making the = "sacrifice the=20 airplane" decision on the ground was excellent advice. I've helped = repair a gear=20 up Lancair landing and it did very little damage to the airframe=20 (235).

I've got one little, tiny, minor, not = all that=20 important, good mostly for hangar flying, point to make though. You said = "the glide ratio is pretty darned good = if all the=20 levers are pulled aft". It is, and the prop in high pitch (pulled=20 aft) makes a substantial difference. = However, once all of the important stuff has been done and = assuming=20 that the engine is windmilling, you can actually improve the=20 glide ratio a very small amount by OPENING the throttle. The = pistons=20 then aren't pulling against the low pressure caused by the closed = throttle.=20

Bill Harrelson

N5ZQ 320 1,750 hrs

N6ZQ IV under = construction

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