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Piper Upgrades the Meridian

机译:派珀升级子午线

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Every Pilot Wants More Useful Load, And Piper Provides 242 more pounds of it in its new Meridian single-engine turboprop, thanks to an increase in maximum takeoff weight. And the company also switched to the new Meggitt Magic 1500 autopilot that offers the performance and features a pilot expects in a turbine airplane. When Piper introduced the Meridian in 2001 it had a 4,850 pound maximum takeoff weight, which was capped at that level by the FAA requirement that single-engine airplanes stall at 61 knots or less at maximum certified weight With more than 1,000 shaft horsepower available from the Pratt & Whitney PT6A42A engine, power to lift more weight was never a question. The Meridian wing and other primary structure also had the heft to carry extra weight. But the stall speed rule was limiting what the Meridian could carry. Piper had a couple of choices available to increase the takeoff weight of the Meridian. One was to demonstrate improved crashworthiness to get a couple extra knots added to the maximum stalling speed. Socata had achieved this with its TBM 700, and Pilatus had done the same with its PC-12. The other option available was to reduce the stalling speed so the air-plane could carry more weight up to the 61-knot maximum.
机译:每个飞行员都希望获得更多有用的载荷,而派珀在其新的子午线单引擎涡轮螺旋桨飞机中又提供了242磅的重量,这要归功于最大起飞重量的增加。该公司还改用了新的Meggitt Magic 1500自动驾驶仪,该功能可提供性能,并具有飞行员对涡轮飞机的期望。当派珀(Piper)在2001年推出子午线时,它的最大起飞重量为4,850磅,这是美国联邦航空局(FAA)要求的上限,该水平要求单引擎飞机在最大认证重量下失速为61节或以下。普惠PT6A42A发动机,提升举重的能力从来都不是问题。子午线机翼和其他主要结构也承担了额外的重量。但是失速速度规则限制了子午线可以携带的东西。派珀有几种选择可以增加子午线的起飞重量。其中一个是要展示出提高的耐撞性,以使最大失速速度增加两个额外的结。 Socata的TBM 700实现了这一目标,而Pilatus的PC-12做到了这一点。可用的另一种选择是降低失速速度,以便飞机可以承受更大的重量,直到最大61节。

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  • 来源
    《Flying》 |2003年第9期|p.82-84|共3页
  • 作者

    J. MAC MCCLELLAN;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 航空;
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