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IAR 111 "Excelsior" is a supersonic mothership project, designed by ARCA, intended to transport a rocket payload up to 18,000 m and for developing space tourism related technologies. The aircraft is to be constructed almost entirely from composite materials, and will be designed for take-off and landing from the sea surface. ==History== The design of the aircraft started before the successful launch of the Helen 2 rocket. ARCA kept work on the project secret and decided to reveal it to the public in a press conference that took place at BRD headquarters in Bucharest on December 2010. The initial name of the aircraft was E-111.〔 (【引用サイトリンク】publisher=Gandul )〕 In March 2011 ARCA received approval from IAR S.A. Brasov to use its initials on the aircraft, so E-111 was officially renamed IAR-111. Work on the fuselage moulds started in early 2011 and was completed in September. The cockpit structure was completed in July. It is detachable from the rest of the aircraft and it will be equipped with two rocket propelled parachutes (main and back-up) as a safety system. Also in September the CFD simulations for the aircraft were completed. On September 29, 2011 a successful cockpit drop-test was carried out. A Mi-17 helicopter dropped the cockpit from 700m to test the parachute recovery system.〔 〕 In December 2011, the first two sections of the aircraft fuselage were completed and preliminary assembled.〔 (【引用サイトリンク】publisher=Mediafax )〕 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「IAR 111」の詳細全文を読む スポンサード リンク
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