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Douglas XA-2

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XA-2
Role

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This page is a soft redirect. Attack #REDIRECTmw:Help:Magic words#Other
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National origin

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This page is a soft redirect. United States #REDIRECTmw:Help:Magic words#Other
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Manufacturer

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This page is a soft redirect. Douglas #REDIRECTmw:Help:Magic words#Other
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Status

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This page is a soft redirect. Prototype #REDIRECTmw:Help:Magic words#Other
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Primary user

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This page is a soft redirect. United States Army Air Corps #REDIRECTmw:Help:Magic words#Other
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Number built

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Developed from

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This page is a soft redirect. Douglas O-2 #REDIRECTmw:Help:Magic words#Other
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The Douglas XA-2 was an American prototype attack aircraft converted from a Douglas O-2 observation aircraft in the spring of 1926 by Douglas Aircraft. Only one prototype aircraft was built and the type was not ordered into production.

Design and development

One Douglas O-2, serial number 25-380, was modified for the new role as an attack aircraft, while the basic structure of the aircraft remained, there were several modifications made. The water-cooled Liberty engine (V-1650) of the O-2 was replaced by an inverted air-cooled Allison VG-1410 engine. The reason for this was that a water cooling system was seen as too vulnerable to enemy attack. The lower engine cowlings were omitted to allow for more cooling air flow over the engine. Second, the A-2 was more heavily armed than the O-2. The A-2 had six forward-firing .30-caliber Browning machine guns - two in the nose forward of the cockpit, and two each in the mid-upper and lower wings. Two .30-caliber Lewis guns were put on a flexible mount for use by the observer-gunner in rear defense of the aircraft. The aircraft also had the capacity for a small bomb load of 100 lb (45 kg).

The Douglas XA-2 was evaluated against the Curtiss XA-3 (a conversion of the Curtiss O-1B observation plane). The Douglas aircraft won the initial competition, but the Army realized that the Liberty engine was both underpowered and in dwindling supply. It ordered a second competition with both models upgraded with Packard 1A-1500 engines. The Curtiss aircraft won this time and became the U.S. Army Air Corps' frontline attack aircraft (Curtiss A-3 Attack Falcon) from 1928 to 1935.

Operators

23x15px United States

Specifications (XA-2)

General characteristics

  • Crew: Two (pilot & observer / gunner)
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  • Wingspan: Script error: No such module "convert".
  • Height: Script error: No such module "convert".
  • Max takeoff weight: Script error: No such module "convert".
  • Powerplant: 1 × Allison VG-1410 inverted air-cooled V-12 piston engine, Script error: No such module "convert".

Performance

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  • Cruise speed: Script error: No such module "convert".
  • Range: Script error: No such module "convert".
  • Service ceiling: Script error: No such module "convert".</ul>Armament
  • Guns:
  • Bombs: Provision for 100 lb (45 kg) of bombs mounted on lower wing racks
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See also

Related development
Aircraft of comparable role, configuration and era

Related lists