Airco DH 9 WWI biplane 3D model

cgtrader

The Airco DH 9, a two-seat biplane designed by Geoffrey de Havilland, served as a daylight bomber during WWI. Manufactured by Airco from 1917 to 1920, it was used primarily by the Royal Flying Corps (RFC), the Royal Air Force (RAF), and the Royal Navy Air Service (RNAS). A total of 4091 units were built. Powered by a Beardmore-Halford-Pullinger BHP engine delivering 230 hp, this biplane boasted a length of 9.29m, a wingspan of 12.92m, and a height of 3.44m with a wing area of 40.3 square meters. Its maximum speed reached 187 km/h. As for armament, it featured a synchronized Vicker .303 in the front and a Lewis .303 on a Scarff ring in the rear cockpit for the observer, along with a bomb load of 227kg. Weighing 1014kg empty and 1508kg loaded, it had a ceiling of 4725m and an endurance of 4 hours and 30 minutes. Constructed with a wooden structure and fabric covering, the biplane boasted ailerons on all four wings and extensive wire bracing.