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Heavy lift launch vehicle : ウィキペディア英語版 | Heavy lift launch vehicle
A Heavy Lift Launch Vehicle, or HLV / HLLV, is an orbital launch vehicle capable of lifting between 20,000 to 50,000 kg to low Earth orbit. 〔(NASA Space Technology Roadmaps - Launch Propulsion Systems, p.11 ): "Small: 0-2t payloads, Medium: 2-20t payloads, Heavy: 20-50t payloads, Super Heavy: >50t payloads"〕 The current Heavy-Lift Launch vehicles in service are the Ariane 5 in its ES and ECA variants, the Russian Proton-M and the United Launch Alliance Delta IV Heavy. ==See also==
* Comparison of orbital launch systems * Rocket * Spacecraft propulsion
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Heavy lift launch vehicle」の詳細全文を読む
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