Drawing – Paul Matt – Douglas O-2 Discount
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The Douglas O-2 was a 1920s American observation aircraft built by the Douglas Aircraft Company.
The Douglas O-2 was a conventional but reliable biplane, which attracted orders for 25 more aircraft: 18 O-2A equipped for night flying and six O-2B dual-control command aircraft for the US Army. Plus, there was one civil O-2BS modified for James McKee, who made a trans-Canada flight in September 1926. In 1927 the O-2BS was adapted as a three-seater with a radial engine.
The O-2Hs were an entirely new design but continued the same basic model number. Major differences were heavily staggered wings, a more compact engine installation, and clean landing gear secured to the fuselage.
Up to 2011 there were no O-2 s known to exist. However, in 2011 the wreckage of O-2H 29-163 that crashed out of Kelly Field Texas on March 16, 1933 has been positively identified. The only similar aircraft to exist is a restored Douglas M-2 mailplane and a follow-on derivative of the O-25 variant, an O-38.
Specifications:
- Crew: 2
- Length: 30Â ft 0Â in (9.14Â m)
- Wingspan: 40Â ft 10Â in (12.45Â m)
- Height: 10Â ft 0Â in (3.05Â m)
- Wing area: 362Â ft2 (33.6Â m2)
- Airfoil: Clark Y
- Empty weight: 2,857Â lb (1,296Â kg)
- Gross weight: 4,484Â lb (2,034Â kg)
- Max takeoff weight: 4,550Â lb (2,064Â kg)
- Fuel capacity: 110 US gal (92 imp gal; 420 l) in a single fuselage tank ahead of and below the pilot s cockpit
- Powerplant: 1 × Liberty V-1650-1 V-12 liquid-cooled piston engine, 435 hp (324 kW)
- Propellers: 2-bladed metal propeller
- Performance
- Maximum speed: 134.5Â mph (216.5Â km h, 116.9Â kn) at sea level
- Cruise speed: 110Â mph (180Â km h, 96Â kn)
- Range: 512Â mi (824Â km, 445Â nmi)
- Service ceiling: 16,900Â ft (5,200Â m)
- Rate of climb: 1,075Â ft min (5.46Â m s)
- Wing loading: 12.4Â lb ft2 (61Â kg m2)
- Power mass: 0.0971Â hp lb (0.1596Â kW kg)
* All downloadable drawings and photos are high resolution — 300 dpi
Sheets | Douglas-02-Sht-1, Douglas-02-Sht-2, Douglas-02-Sht-3, Douglas-02-Photo-1, Douglas-02-Photo-2, Douglas-02-Photo-3, Douglas-02-Photo-4, Douglas-02-Photo-5, Douglas-02-Photo-6, Douglas-02-Photo-7, Douglas-02-Photo-8, Douglas-02-Photo-9, Douglas-02-Photo-10, Douglas-02-Photo-11, Douglas-02-Photo-12 |
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