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XP-75 Eagle: The ‘Frankenplane’ That Failed to Take Flight
It featured a powerful Allison V-3420 engine, ten .50 caliber machine guns, and a max speed of 430 mph. -Despite high ...
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Today in Aviation History: First Flight of the McDonnell XP-67 Moonbat
The initial Model 1 design was also unusual in that was to have a single engine, such as the Allison V-3420 W-24 engine, buried in the center of the fuselage, with extension shafts and right-angle ...