Article View: aus.science
Article #922Re: Helicopter
From: David Melville
Date: Sun, 21 Aug 2011 01:30
Date: Sun, 21 Aug 2011 01:30
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On Sat, 20 Aug 2011 06:56:41 +1000, DonH wrote: > 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. AIUI, there is an intake at the base of the copter which channels air up to the rotors giving the pilot /minimum/ control over uncontrolled descent. You're still plummeting, but you might be able to choose between a big rock, and a small one to land on. I'm no expert. The above was told to me by a guy who's been in two (!) separate helicopter crashes. Might be only certain makes/models. HTH. -- Cheers, Dave "I will kill for the good of the fight for the right to be right." David Bowie, Cygnet Committee
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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!feeder1.cambriumusenet.nl!feed.tweaknews.nl!193.201.147.78.MISMATCH!feeder.news-service.com!eternal-september.org!feeder.eternal-september.org!.POSTED!not-for-mail From: David Melville <davidmelville@exemail.com.au> Newsgroups: aus.science Subject: Re: Helicopter Date: Sun, 21 Aug 2011 01:30:15 +0000 (UTC) Organization: A noiseless patient Spider Lines: 30 Message-ID: <j2pn36$bc9$2@dont-email.me> References: <16A3q.844$7r4.466@viwinnwfe02.internal.bigpond.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Sun, 21 Aug 2011 01:30:15 +0000 (UTC) Injection-Info: mx04.eternal-september.org; posting-host="z38YjvEgIg5/fJsYOXUvgw"; logging-data="11657"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19QyMRYz8p4oBEY0KAfDTWUJgoROSSuCdU=" User-Agent: Pan/0.133 (House of Butterflies) Cancel-Lock: sha1:AdhN+FmmNVXEpJW/O4/fHBgainU=