Date: 17 Jan 99 02:37:16 From: email@example.com (MegaZone) Organization: WPI Discordian Society, Undocumented Cabal of the Accursed Saint Shiranto Joe References: 1
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firstname.lastname@example.org shaped the electrons to say: >I keep reading about aircraft manufacturers struggling to extend >the range of their aircraft, and i was just wondering why not use >drop tanks? After all, if the plane can ferry an engine under >the wing (making the plane appear to have five!), then why not >drop tanks? 1. Cost. Drop tanks are VERY expensive. You have to engineer them to withstand the stresses of flight - then you throw them away. You'd have to have a supply of them available at all of your airports. 2. Risk. Military aircraft sometimes suffer seperation failures. Drop tanks are not fool-proof. 3. Liability. Where do you drop them? This is only even an option on over-water flights. And believe be all kinds of ecological groups would be all over this idea with rabid lawyers. And what if the odds bite you and you manage to drop a tank on a boat? And if you mean just adding external tanks - not *drop* tanks: 4. Drag. When you start hanging things externally you add a good deal of drag. You may carry more fuel and gain range - but you'll burn more fuel per mile, and your seat-mile costs will go *up*. -MZ -- <URL:mailto:email@example.com> Gweep, Discordian, Author, Engineer, me.. Join ISP/C Internet Service Providers' Consortium <URL:http://www.ispc.org/> "A little nonsense now and then, is relished by the wisest men" 781-788-0130 <URL:http://www.megazone.org/> <URL:http://www.gweep.net/> Hail Discordia!