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引言德尔它运载火箭是一种一次使用的中型运载火箭,由航宇局哥达德宇宙飞行中心经营,美国政府、私人企业和外国用它来发射科学、气象、应用和通信卫星。1960年以来,这种运载火箭一直在使用。目前,其发射计划已安排到1985年。本文拟简述德尔它运载火箭的历史和现今结构型式以及为满足日益增加的有效载荷性能要求所进行的各种改进,并探寻为满足未来要求而进一步提高运载能力的可能性。
INTRODUCTION The Deltas Launch Vehicle is a single-use medium-sized launch vehicle operated by the Aeronautic Department Goddard Space Flight Center and used by the United States Government, private enterprises and foreign countries to launch scientific, meteorological, operational and communications satellites. This carrier rocket has been in use since 1960. At present, its launch plan has been scheduled for 1985. This article will outline the history and current structure of the Deltas launch vehicle and the various enhancements that have been made to meet the ever-increasing payload performance requirements and explore the possibility of further enhancing the delivery capabilities to meet future requirements.