- Curtiss HA
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HA / Dunkirk Fighter 
Curtiss HA-2 (BuNo A4111) Role fighter/mail plane National origin United States Manufacturer Curtiss Aeroplane and Motor Company Designer B.L. Smith First flight 21 March 1918[1] Number built 6 (3 prototypes, 3 landplane mail planes) The Curtiss HA (sometimes Dunkirk Fighter) was an American biplane seaplane designed by Captain B.L. Smith of the United States Marine Corps, and built by Curtiss Aeroplane and Motor Company.[1]
Contents
Development and design
The HA was a two-seat biplane with a central float and balancing floats on the wingtips. The fuselage was wood with a fabric covering. The plane was powered by a Liberty 12 engine in the nose. The prototype was ordered in December 1917, and its first flight was on 21 March 1918. During testing the aircraft proved very unstable, with an overly heavy tailplane. The aircraft was destroyed in a crash.[1]
Two more prototypes were ordered, designated HA-1 and HA-2. the HA-1 was constructed of salvaged parts from the original, but its tailplane and radiator were redesigned, and its wings were moved further aft. The HA-1 caught fire during a flight. The HA-2 had a wider wingspan, and performed better, but as the war was almost over, no production order was received.[1]
Operational history
Three landplane versions were used as Mail planes.[1]
Specifications (HA-2)
Data from Angelucci, 1987. pp 116-117.[1]
General characteristics
- Crew: 2
- Length: 30 ft 9 in (9.37 m)
- Wingspan: 42 ft 0 in (12.80 m)
- Height: 11 ft 5 in (3.47 m)
- Wing area: 490 ft2 (45.52 m2)
- Empty weight: 2,946 lb (1,336 kg)
- Gross weight: 3,907 lb (1,772 kg)
- Powerplant: 1 × Liberty 12, 360 hp ( kW)
Performance
- Maximum speed: 118 mph (190 km/h)
- Rate of climb: 790 ft/min (4 m/s)
Armament
- 4 × .30 in (7.62 mm) machine guns
References
- Notes
- Bibliography
- Angelucci, Enzo (1987). The American Fighter from 1917 to the present. New York: Orion Books.
Aircraft produced by Curtiss and Curtiss-Wright Manufacturer
designationsModel letters: C • D • E • F • G • GS • H • J • K • L • M • N • PN • JN • R • S
Model numbers: 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 16 • 17 • 18 • 19 • 20 • 21 • 23 • 24 • 26 • 28 • 31 • 32 • 33 • 34 • 35 • 36 • 37 • 38 • 39 • 40 • 41 • 42 • 43 • 44 • 47 • 48 • 49 • 50 • 51 • 52 • 53 • 54 • 55 • 56 • 57 • 58 • 59A/59B • 60 • 61 • 62 • 63 • 64 • 66 • 67 • 68 • 69 • 70 • 71 • 72 • 73 • 75 • 76 • 77 • 79 • 81 • 82 • 84 • 85 • 86 • 87 • 88 • 90 • 91 • 94 • 95 • 96 • 97 • 98 •
"CW" models: CW-1 • CW-2 • CW-3 • CW-4 • CW-5 • CW-6 • CW-7 • CW-8 • CW-9 • CW-10 • CW-11 • CW-12 • CW-14 • CW-15 • CW-16 • CW-17 • CW-18 • CW-19 • CW-20 • CW-21 • CW-22 • CW-23 • CW-24 • CW-25 • CW-27 • CW-29 • CW-32
By role Experimental: No. 1 • Model C • Tanager
Racing: No. 2 • CR • R2C • R3C
General utility: Model D • Model E • Model F • Robin • Thrush
Maritime patrol: Model H • HS-1L and -2L
Training: Model L • Model JN • Fledgling • AT-4 Hawk • AT-5 Hawk
Fighters: 18 • PW-8 • P-1 • P-2 • P-3 • P-4 • P-5 • P-6 • XP-31 • P-36 • P-40 • XP-46 • XP-53 • YP-60 • XP-62 • XP-71 • XP-87
Naval Fighters: HA • FC • F2C • F3C • F4C • F6C • F7C • F8C • F9C • F10C • F11C • XF12C • F13C • XF14C • XF15C
Airliners: Eagle • Condor II • Kingbird
Naval Scouts/Dive Bombers: CS • GS • S2C • XS3C • S4C • SC • SBC • SB2C • XSB3C • SOC • SO2C • SO3C
Observation: O-1 • O-12 • O-13 • O-16 • O-18 • O-26 • O-39 • O-40 • O-52
Naval Observation: OC • O2C • O3C
Naval Bombers: 24 • BFC • BF2C • XBTC • XBT2C
Ground Attack: A-3 • A-4 • A-5 • A-6 • A-8 • YA-10 • A-12 • YA-14 • A-25 • A-40 • XA-43
Licensed production: NBS-1
Lists relating to aviation General Aircraft (manufacturers) · Aircraft engines (manufacturers) · Airlines (defunct) · Airports · Civil authorities · Museums · Registration prefixes · Rotorcraft (manufacturers) · TimelineMilitary Accidents/incidents Records Categories:- United States fighter aircraft 1910–1919
- Curtiss aircraft
- Single-engine aircraft
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