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Avia Rk.12
One of Avia's own designs, the 1930s Avia Rk.12 was a 7-cylinder radial engine with a rated output of 150 kW (200 hp), built in Czechoslovakia. ==Design and development== As well as producing aircraft and building Hispano-Suiza and Lorraine aero-engines under licence, Avia also designed and built their own radial engines. Their Rk.12 was a 7-cylinder supercharged model, rated at 200 hp.〔 It was a conventional air-cooled radial: nitrided steel barrels with integral fins were screwed into heat treated Y alloy heads. The pistons were also of heat treated Y alloy. The crankcase was cast from aluminium alloy, with some minor parts using magnesium alloy. The single throw two piece crankshaft was linked to the pistons with an I-section Y alloy master rod, with a single piece big end, which carried the other six piston rods.〔
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「Avia Rk.12」の詳細全文を読む
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