Article View: aus.science
Article #925Re: Helicopter
From: DonH
Date: Tue, 23 Aug 2011 19:56
Date: Tue, 23 Aug 2011 19:56
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"DonH" <donlhumphries@bigpond.com> wrote in message news:16A3q.844$7r4.466@viwinnwfe02.internal.bigpond.com... > Is the helicopter essentially an unstable aircraft? > By that, I mean, is it usually fatal if something goes wrong? > Unlike fixed-wing aircraft, it can't glide down if the rotors stop. > If at high enough altitude, the pilot could bail out, and parachute down. > Is there a remedy? Retractable wings? > The virtue of a helicopter is - it can hover. > Its vice is - falling like a stone. > # It seems the ABC helicopter which crashed was 23 years old - metal fatigue? How many of us drive a car that old? Yes, vintage cars do exist, but need scrupulous maintenance, and are mostly only driven on special occasions. Maybe a cash-strapped ABC can't afford to trade its choppers in each year on the latest model. (Incidentally, never buy the latest model, lest the bugs haven't been ironed out. Same with pharmaceuticals.)
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X-Google-Thread: fd648,820b3bb4c73fc018 X-Google-NewGroupId: yes X-Google-Attributes: giddb42311052,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news1.google.com!news3.google.com!feeder.news-service.com!goblin3!goblin.stu.neva.ru!exi-transit.telstra.net!pit-in2.telstra.net!news.telstra.net!61.9.128.156.MISMATCH!viwinnwcl01.internal.bigpond.com!viwinnwfe01.internal.bigpond.com.POSTED!7564ea0f!not-for-mail From: "DonH" <donlhumphries@bigpond.com> Newsgroups: aus.science References: <16A3q.844$7r4.466@viwinnwfe02.internal.bigpond.com> Subject: Re: Helicopter Lines: 21 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6109 X-RFC2646: Format=Flowed; Response Message-ID: <7CT4q.958$NR2.539@viwinnwfe01.internal.bigpond.com> Date: Wed, 24 Aug 2011 05:56:38 +1000 NNTP-Posting-Host: 121.214.117.151 X-Complaints-To: abuse@bigpond.net.au X-Trace: viwinnwfe01.internal.bigpond.com 1314129411 121.214.117.151 (Wed, 24 Aug 2011 05:56:51 EST) NNTP-Posting-Date: Wed, 24 Aug 2011 05:56:51 EST Organization: BigPond