The Douglas B-18 Bolo is an American twin-engined medium bomber which served with the United States Army Air Corps and the Royal Canadian Air Force (as the Digby) during the late 1930s and early 1940s.

The Martin B-10 was the first all-metal monoplane bomber to be regularly used by the United States Army Air Corps, having entered service in June 1934. [1] . It was also the first mass-produced bomber whose performance was superior to that of …

Martin B-10 in the Early Years Gallery at the National Museum of the United States Air Force. (U.S. Air Force photo) The B-10, the first "modern" all-metal monoplane bomber produced in quantity, featured such innovations as retractable landing …

Based on the Douglas DC-2 commercial transport, the prototype B-18 competed with the Martin 146 (an improved B-10) and the four-engine Boeing 299, forerunner of the B-17, at the Air Corps bombing trials at Wright Field in 1935.

Mar 21, 2018 · Martin responded with an improved version of the B-10 bomber, but its inferior performance left Douglas’ Model DB-1 the winner of the competition. Designated the B-18 Bolo, it was based on Douglas’ successful DC-2 commercial airliner.

Aug 28, 2013 · The Martin B-10 was the first all-metal monoplane bomber to go into regular service with the US Army Air Corps (USAAC). It also featured such innovations as, a fully enclosed cockpit, an internal bomb bay, retractable landing gear, a rotating gun turret, variable-pitch propellers and autopilot.

Aug 14, 2021 · Military aviation pioneer General Henry H. “Hap” Arnold called the Martin bomber “the air power wonder of its day,” and he led 10 B-10s on a 8,290-mile flight from Washington, DC, to Fairbanks,...

May 19, 2019 · Twin-engine bomber and reconnaissance aircraft. Two 895 kw (1,200 hp) Wright Cyclone GR-1820-G105A nine-cylinder air-cooled radial engines. One 7.62 mm (0.30 in) machine gun in nose turret; one 7.62 mm (0.30 in) machine gun in each of dorsal and ventral positions; max bomb load 570 kg (1,260 lb)

The Martin B-10 was a bomber aircraft used by the United States Army Air Corps. It first flew in 1932 [1] and was introduced in 1934. The B-10 was the first mass-produced all-metal monoplane (aircraft with a single pair of wings). [2] . It was replaced by the B …

On 20 Mar 1932, little more than a month after the maiden flight, the United States Army Air Corps evalcuated the bomber, and on 17 Jan 1933 an order for 48 units were placed. B-10 bombers entered service in Nov 1934.