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Executor is a rocket engine developed by ARCA〔ARCA, (Executor Rocket Engine ) (accessed 22 Sept 2014)〕 for use on its Haas rocket series and on IAR 111 Excelsior supersonic airplane. Executor uses kerosene〔http://spacefellowship.com/news/art29703/arca-has-completed-the-first-executor-rocket-engine.html〕 and liquid oxygen as propellants in a gas-generator power cycle. The injector of Executor is of the pintle type that was first used in the Apollo Program for the lunar module landing engine. Propellants are fed via a single shaft, dual inducer-impeller turbo-pump. The turbine exhaust gases are used for attitude control of the Haas 2 rocket. ==Variants== Two versions of the Executor are in development. The Executor engine for the first stage of the Haas 2B and Super Haas launchers and for the IAR-111 Excelsior airplane. The second variant is the Executor Plus engine that it uses a larger exhaust nozzle optimized for vacuum operation. The Executor Plus is used on the Haas 2 air-launched rocket and on the second stage of the Super Haas rocket.〔 (【引用サイトリンク】publisher=ARCA )〕 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「Executor (rocket engine)」の詳細全文を読む スポンサード リンク
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