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)}=72.18〕 |diameter= |length= |dry_weight= |used_in=Soyuz }} The RD-117 is a rocket engine burning liquid oxygen and kerosene in a curious combustion cycle. An update of the RD-107, the RD-117 engines are used on the Soyuz-U. == Design == The engine is an updated version of the RD-107, mainly so it uses all Russian components. 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「RD-117」の詳細全文を読む スポンサード リンク
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