Curtiss SB2C Helldiver

Dive bomber introduced in 1942

Curtiss SB2C Helldiver 1
photo: D. Miller

The Curtiss SB2C Helldiver also named the A-25 Strike, was built by the American company Curtiss-Wright in the Second World War. The aircraft was a replacement of the Douglas SBD Dauntless as a carrier-based bomber in service with the United States Navy. It performed its maiden flight in December 1940, was introduced in 1942, and was retired in 1959. The aircraft was produced from 1943 to 1945 with a total number of 7,140 Helldivers built.

Manufacturer:
Curtiss
Country:
United States
Manufactured:
1942 to: 1945
ICAO:
SB2C
Price:

Specifications

Avionics:
Engine:
1x Wright R-2600-20 Twin Cyclone
Piston
Power:
1,900 horsepower
Max Cruise Speed:
256 knots
474 Km/h
Approach Speed (Vref):
77 knots
Travel range:
1,012 Nautical Miles
1,874 Kilometers
Fuel Economy:
Service Ceiling:
29,100 feet
Rate of Climb:
1800 feet / minute
9.14metre / second
Take Off Distance:
178 metre - 583.98 feet
Landing Distance:
Max Take Off Weight:
7,710 Kg
16,997 lbs
Max Landing Weight:
7,537 Kg
16,616 lbs
Max Payload:
1,500 Kg
3,307 lbs
Fuel Tank Capacity:
355 gallon
1,344 litre
Baggage Volume:
Seats - Economy / General:
2 seats
Seats - Business Class:
Seats - First Class:
Cabin Height:
Cabin Width:
Cabin Length:
Exterior Length:
11.18 metre - 36.68 feet
Tail height:
5.16 metre - 16.93 feet
Fuselage Diameter:
1.4 metre - 4.59 feet
Wing Span / Rotor Diameter:
15.16 metre - 49.74 feet
Wing Tips:
No Winglets
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Description

The SB2C Helldiver can carry two crew members. It has an exterior length of 11.18 meters, an exterior height of 4.01 meters, and a fuselage diameter of 1.4 meters. The tail height is 5.16 meters and the wheelbase is 6.55 meters. It has a wingspan of 15.16 meters and a wing area of 39.2 square meters. The empty weight is 4,784 kg, the gross weight is 7,537 kg, and the maximum payload is 1,500 kg. It has a fuel tank capacity of 355 US gal.

The aircraft is fitted with a single Wright R-2600-20 Twin Cyclone engine. It is a fourteen-cylinder supercharged air-cooled two-row radial piston engine with two pushrod-actuated valves per cylinder with a sodium-cooled exhaust valve, a single-stage two-speed centrifugal-type supercharger, a Stromberg downdraft carburetor with automatic mixture control, a dry-sump with one pressure pump and two scavenge pumps oil system, and an air-cooling system. The engine produces a maximum takeoff thrust of 1,900 hp and drives a four-bladed constant-speed propeller.

The SB2C Helldiver has a maximum speed of 256 knots at 16,700 feet and a cruise speed of 137 knots. The combat range is 1,012 nautical miles with 450 kg of bomb load. It can fly up to 29,100 feet and can climb at a rate of 1,800 feet per minute. The takeoff distance is 178 meters.

The aircraft could be armed with two 20 mm AN/M2 cannon located in the wings, two 7.6 mm M1919 Browning medium machine guns in the rear cockpit, and four 13 mm M2 Browning heavy machine guns- two each in gun pods mounted on the underwing hardpoints. It is also armed with eight 130 mm high-velocity aircraft rockets (HVAR) and 910 kg of bombs in the internal bay or a single Mark 13-2 aerial torpedo. A 230 kg of bombs were loaded on underwing hardpoints.

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