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radial engine 星形發動機。

radial flux

Its pratt whitney 1200hp , 14 - cylinder , air - cooled , twin row radial engine r - 1830 - 76 or 86 gave it a top speed of 330 mph 它的普拉特惠特尼r - 1830型14缸空冷星形發動機輸出功率為1200馬力,使它的最高時速達到了537公里。