The design, sequentially designated “S-forty four” by Sikorsky, and the one one which intently met the Navy’s requirements, included a high, all-steel, cantilever wing; four Pratt and Whitney, seven hundred-hp Twin Wasp radials which drove constant-pace Hamilton Commonplace propellers; a.50-caliber machine gun in both its bow and tail turrets; and a.30-caliber machine gun in its […]