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The G4M's predecessor, the Mitsubishi G3M, went into service in 1937 in China. [5] Only two months later the Japanese Navy issued specifications to Mitsubishi. [5] The specifications, unprecedented at the time, called for a twin-engine, land-based, attack bomber with a top speed of 398 kilometres per hour (247 mph), a cruising altitude of 3,000 metres (9,800 ft), and a range of 4,722 ...
The B-26's relatively small wing area and resulting high wing loading required a high landing speed of 120 to 135 mph (193 to 217 km/h) indicated airspeed depending on load. At least two of the earliest B-26s suffered hard landings and damage to the main landing gear, engine mounts, propellers, and fuselage.
Douglas B-18 Bolo medium bomber: 1935 retired 1946: 350: Douglas Y1B-7 heavy bomber: 1931 retired prototype: 8: Fokker XB-8 heavy bomber: 1929 retired prototype: 7: Great Lakes BG dive bomber: 1933 retired 1941: 61: Huff-Daland XB-1 heavy bomber: 1927 retired prototype: 1: Keystone B-3 light bomber: 1929 retired 1940: 36: Keystone B-4 heavy ...
Martin's two XB-51 prototypes, seen low over the runway on a high-speed pass. This unorthodox design, first flying on 28 October 1949, was fitted with three General Electric J47 engines - an unusual number for a combat aircraft - two underneath the forward fuselage in pods, and one at the extreme tail with the intake at the base of the tailfin. [1]
The deficiencies discovered on AV-1 were almost completely solved on the second XB-70, which first flew on 17 July 1965. On 3 January 1966, XB-70 No. 2 attained a speed of Mach 3.05 while flying at 72,000 ft (22,000 m). AV-2 reached a top speed of Mach 3.08 and maintained it for 20 minutes on 12 April 1966. [91]
In March 1939, the US Army Air Corps issued a specification for a medium bomber that was capable of carrying a payload of 2,400 lb (1,100 kg) over 1,200 miles (1,900 km) at 300 mph (480 km/h). [3] North American Aviation (NAA) used its NA-40B design to develop the NA-62, which competed for the medium bomber contract. No YB-25 was available for ...
The P1Y was designed by the Yokosuka Naval Air Technical Arsenal to Navy specification 15-Shi, [2], calling for a fast bomber with speed matching the Zero, range matching the G4M, a 907 kg (2,000 lb) bombload, and the ability to dive-bomb as well as carry torpedoes. As the result, the construction suffered from excess complexity, difficulty of ...
The North American A-5 Vigilante was a supersonic carrier-based bomber. At the time of its introduction, the Vigilante was one of the largest and by far the most complex aircraft to operate from an aircraft carrier. It was furnished with a high-mounted swept wing with a boundary-layer control system (blown flaps) to improve low-speed lift. [6]