The North American XB-28 (NA-63) was an aircraft proposed by North American Aviation to fill a strong need in the United States Army Air Corps for a high-altitude medium bomber. It never entered production, with only two prototypes being built.

2019年4月2日 · Page details technical specifications, development, and operational history of the North American XB-28 (Dragon) High-Altitude, Medium Fast Bomber Prototype including pictures.

The North American XB-28 (NA-63) Dragon was a proposed high-altitude follow-on to the B-25 Mitchell twin-engined medium bomber. Three prototypes were ordered on February 13, 1940. The XB-28 aircraft was generally similar to the B-25 in overall configuration, but had a single vertical tail rather than two.

2022年11月3日 · These requirements gave birth to the XB-28 Dragon, which first flew on the 26th April 1942 – just eight days after its predecessor was making history bombing Tokyo. And though the B-25 was a great combat aircraft, and the XB-28 was evolved from it, the Dragon was an utterly reworked design that put it in a different league performance wise.

2022年11月3日 · Even before the B-25 entered service, the USAAC wanted work to begin on its replacement. And North American seem to have succeeded with the XB-28. Pity the specification proved to flawed...

The XB-28 was based on North American Aviation's highly successful B-25 Mitchell, but as it evolved it became a completely new design, much more reminiscent of the Martin B-26 Marauder.

Dorsal, ventral and tail turrets, each with two .50-cal. machine guns, remotely operated from cockpit. USAF Museum, www.wpafb.af.mil/museum/index.htm, 2005. This site deals with various technical aspects of the United States Air Force, primarily the aircraft.

2021年11月20日 · North American B-28A Dragon The order for a new high-altitude medium bomber was put out on 13 February 1940; the XB-28 first flew on 26 April 1942. The XB-28 was based on North American Aviation's highly successful B-25 Mitchell, but as it evolved it became a completely new design, much more reminiscent of the Martin B-26 Marauder.

2009年11月22日 · It was designed as a high altitude version of the B-25, though it ultimately evolved into a completely different design, mostly owing to the desire for a pressurized hull: If I recall, it had a turbocharged engine, and remotely controlled turrets, and a …

North American XB-28 Dragon. up to 4,000 lbs. of bombs. Length: 56' 5" Height: 14' 0" Wingspan: 72' 7" Gross Weight: 35740 lb. No. of Engines: 2. Powerplant: Pratt & Whitney R-2800 "Double Wasp" radial. Horsepower: 2000 each. Range: 2040 …