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The SEPR 84 is a family of liquid-fuelled rocket engines used as boosters for the Dassault Mirage III mixed-power high-altitude interceptor aircraft of the 1960s. The engine was one of several similar developed by SEPR (Société d'Etudes pour la Propulsion par Réaction). 〔 == SEPR 841 == SEPR's auxiliary rocket engines were based on the hypergolic fuel chemistry of nitric acid oxidiser and TX2 furaline fuel (C13H12N2O; 2-(5-phenylfuran-2-yl)-4,5-dihydro-1H-imidazole 〔). Unusually, the turbopump for the engine was mechanically driven from outside. A mechanical drive shaft from the accessory drive of the main turbojet provided the needed at 5,070 rpm, provided that the engine was running at full speed.〔 As the propellants are hypergolic, the engine can be ignited repeatedly simply by engaging the clutch drive to the pump. Bulk production of the engines was carried out by Hispano-Suiza.〔 For simplicity of fuel supply, the TX2 fuel of the SEPR 841 was replaced with standard Jet TR-0 (kerosine) in the SEPR 844.〔〔 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「SEPR 84」の詳細全文を読む スポンサード リンク
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