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| Re: Boeing jet to break distance record (74175) | |||
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Re: Boeing jet to break distance record |
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Posted by aem7ac on Thu Nov 10 11:05:55 2005, in response to Re: Boeing jet to break distance record, posted by RonInBayside on Thu Nov 10 10:45:42 2005. Ron, I'm no flight engineer, I've been told by the Aero/Astro types at one time what the equations are and why longer flights result in smaller payloads. Here is a presentation that explains it rather well.Basically, the non-quantitative explanation goes like this: the longer the range, the more fuel you got to carry off of the ground, and the amount of fuel you use is never going to decrease... so your take off weight is higher and therefore you need even more fuel per each pound of payload. Beyond this, you will need to solve differential equations to see how the payload relates to the take off weight and fuel weight. AEM7AC |
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