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Dassault Balzac V
The Dassault Balzac V was a French vertical take-off and landing (VTOL) testbed of the early 1960s. It was built by Dassault Aviation from a prototype Mirage III aircraft to test the configuration for the Mirage IIIV. The sole example was badly damaged during its second flight test accident and was not repaired.
==Design and development==
Since the Rolls-Royce RB162 lift engines specified for the Mirage IIIV were not expected to be available before 1963, Dassault modified the first Mirage III prototype to serve as an interim VTOL testbed. Eight Rolls-Royce RB108 lift engines were installed, each with an average maximum take-off thrust of 9.83 kN (2,210 lbf). The Mirage III's SNECMA Atar G.2 propulsion engine was replaced with an unreheated (non-afterburning) Bristol Siddeley Orpheus BOr 3 with a thrust of 21.57 kN (4,850 lbf). The lift engines were grouped in tandem pairs around the aircraft's center of gravity on either side of the propulsion engine's intake duct, with each pair in a row separated by the main undercarriage wheel bays.〔("Balzac VTOL - Forerunner of the Mirage IIIV" ) ''Flight International'', 2 August 1962, pp.174-175〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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