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Orenco
/ Orenco D / D2 / PW-3
Orenco D / D2 / PW-3
The Orenco D was an American biplane fighter aircraft, designed by Orenco and built by Curtiss Aeroplane and Motor Company.
It was the first fighter type of completely indigenous design to enter US military service.
The D prototype was offered to the US Army Air Service at the end of 1918.
It was a two-bay biplane of all-wood construction, covered with fabric.
It was powered by a 300 hp (224 kW) Hispano-Suiza engine.
The pilot of the first flight test, Clarence B. Coombs, gave it a positive evaluation:
“This aircraft performs better than the Sopwith Camel and Snipe, the Thomas-Morse, the Nieuport and Morane Parasol, the Spad and S.V.A.”.
The military ordered 50 production aircraft but put the production order up for bidding.
Curtiss Aircraft entered the lowest bid and built the fighter, modifying it slightly with a wider wingspan and redesigned ailerons.
The first Curtiss Orenco D flew on 26 August 1921.
Variants
Orenco D
Prototype, four built
Curtiss Orenco D
Production aircraft, 50 built.
Orenco D-2/PW-3
Prototype based on Curtiss Orenco D
Three built under the military designation PW-3.
Specifications
Crew
One
Length
21 ft 6 in (6.55 m)
Height
8 ft 3 in (2.51 m)
Upper
Wingspan
30 ft (9.1 m)
Area
142 sq ft (13.2 m2)
Lower
wingspan
28 ft (8.5 m)
Area
119 sq ft (11.1 m2)
Total wing area (including ailerons)
261 sq ft (24.2 m2)
Wing gap
52 in (1,300 mm)
Wing stagger
12 in (300 mm)
Empty weight
1,666 lb (756 kg)
Gross weight
2,432 lb (1,103 kg)
Powerplant
One × Wright-Hispano H 300 hp (220 kW)
Fuel Capacity
330 lb (150 kg)
Performance
Speed
At sea level
147 mph (237 km/h)
At
10,000 ft (3,000 m)
139 mph (224 km/h)
Time to climb
5,000 ft (1,500 m): 4 min 20 s
10,000 ft (3,000 m): 8 min 54 s
15,000 ft (4,600 m): 16 min 45 s
Service ceiling
12,450 ft (3,790 m)
Range at full speed
275 mi (443 km)
Armament
2 × .30 in (7.6 mm) machine guns.
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