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United States' Curtiss P-36 Hawk fighter

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Curtiss P-36 Hawk fighter:
United States' Curtiss P-36 Hawk fighter

Design

The Curtiss Model 75 Hawk was to compete for a United States Army Air Corps competition for a monoplane fighter.1 It lost to the Seversky P-35.1

In November 1934 Curtiss finished the design for the Curtiss P-36.2

Three were later ordered, for evaluation, by the Army Air Corps and they had Pratt & Whitney Twin Wasp engines.1 This was flown in February 1937 and a contract was placed shortly afterwards.1

Prototype

The prototype Curtis Model 75 flew for the first time on May 15, 1935.1

The Y1P-36 prototype flew in February 1937.1

Production

  • Curtiss Y1P-36: 31
  • Curtiss P-36A: 1781
  • Curtiss P-36C: 302, 311
    • Production: ? - 19392
  • Curtiss P-36G: 301
  • Total: 1,4241
    • Manufacturer: Curtiss-Wright Corporation2

Variants

  • Curtiss Model 75: Prototype.1 Had a Wright R-1820 radial engine (900 HP).1
  • Curtiss Y1P-36: Prototype.1
  • Curtiss XP-36D: Prototype with different armament.1
  • Curtiss XP-36F: Prototype with different armament.1
  • Curtiss P-36:
  • Curtiss P-36A:
  • Curtiss P-36B: Experimental conversion to use more powerful Twin Wasp.1
  • Curtiss P-36C:
  • Curtiss P-36G: Had Wright Cyclone engines.1 Were originally intended for the Norwegian Air Force but was taken over by the United States.1
  • Curtiss Hawk 75: Export version with fixed undercarriage.1 Had Wright Cyclone engine.1 Sent to Argentina, China, and Thailand.1
  • Curtiss Hawk 75A: Export version that had Twin Wasp engine.1
  • Curtiss Hawk 75-R: Experimental version with turbocharged engine.1

Usage

The countries that used the Hawk were Argentina, Britain, China, Finland, France, Netherlands, Norway, Peru, Portugal, South Africa, Thailand, and United States.1

20 Hawk 75s were assembled by FMA in Argentina.1 30-40 Hawk 75As assembled by CAMCO in China.1 5 Hawk 75As assembled in India by Hindustan Aircraft.1

France

350 of 620 ordered were received by France by the time of the German invasion.1 They claimed to have shot down 311 Luftwaffe aircraft.1

The rest that weren't delivered were sent to the Royal Air Force and were designated the Mohawk.1

First Japanese

The Curtis P-36 was the first to shoot down a Japanese aircraft at Pearl Harbor.1 There were four Curtiss P-36s in operation at Pearl Harbor.2

Specifications

  Curtiss P-36 Hawk1
Type Fighter bomber1
Crew 11
Engine (Type)  
Cylinders  
Cooling  
HP  
Propeller blades  
Dimensions  
Span 37' 3.5"1
11.37 m1
Length 28' 6"1
8.69 m1
Height 12' 2"1
3.71 m1
Wing area  
Weight  
Empty  
Loaded  
Performance  
Speed  
Cruising speed  
Climb  
Service ceiling  
Range  
Armament  
  Curtiss P-36A Hawk1
Type  
Crew  
Engine (Type) Pratt & Whitney R-1830-13 Twin Wasp1
Cylinders Radial 141
Cooling  
HP 1,0501
Propeller blades 31
Dimensions  
Span  
Length  
Height  
Wing area  
Weight  
Empty 4,567 lb1
2,072 kg1
Loaded 6,010 lb1
2,726 kg1
Performance  
Speed @ 10,000' /
3,048 m
300 mph1
483 kph1
Cruising speed 200 mph1
322 kph1
Climb to 15,000' /
4,572 m
4.9 minutes1
Service ceiling 33,000'1
10,058 m1
Range 825 miles1
1,328 km1
Armament  
Nose 1: 0.3" MG1
1: 0.5" MG1
  Curtiss P-36C Hawk1,2
Type Fighter2
Crew 12
Engine (Type) Pratt & Whitney R-1830-17 Twin Wasp2
Cylinders Radial 142
Cooling Air2
HP 1,2002
Propeller blades  
Dimensions  
Span 37' 4"2
Length 28' 6"2
Height 12' 2"2
Wing area  
Weight  
Empty  
Loaded 6,150 lb2
Performance  
Speed @ 10,000' /
3,048 m
311 mph2
Cruising speed  
Climb  
Service ceiling 33,700'2
Range 820 miles2
Armament 4: MG2
Nose 1: 0.3" MG1
1: 05" MG1
Wings 2: 0.3" MG1
  Curtiss Hawk 75A1
Type  
Crew  
Engine (Type)  
Cylinders  
Cooling  
HP  
Propeller blades  
Dimensions  
Span  
Length  
Height  
Wing area  
Weight  
Empty  
Loaded  
Performance  
Speed  
Cruising speed  
Climb  
Service ceiling  
Range  
Armament 6: MGs1
Bombs - under wing 400 lb1
181 kg1

Sources:

  1. Aircraft of WWII, Stewart Wilson, 1998
  2. World War II Airplanes Volume 2, Enzo Angelucci, Paolo Matricardi, 1976
20th Century American Military History Crucial Site