A FOUR-ENGINED BOEING B-17B BOMBER of the United States Army. These aircraft are noteworthy for their performance when carrying heavy loads. They have a top speed of over 250 miles an hour, carry a crew of nine and have five machine-guns. One gun position is in the nose and the other four positions are in the form of “blisters” in the sides, top and bottom of the fuselage. Four 1,0000 horse-power radial air-cooled Wright Cyclone engines are fitted which dive three-bladed constant-speed propellers. Split trailing-edge flaps, and retractable type undercarriage are used. The wing span is 105 feet, the length 70 feet and the height 15 feet.
This colour plate previously appeared as the cover design to Part 19.