Military Propellor Planes
Grumman F7F Tigercat
ICAO: F7F
Overview
The Grumman S-2 Tracker was originally developed and manufactured by Grumman that performed its maiden flight in December 1952. It was intentionally built as an anti-submarine warfare aircraft with a single airframe and served the United States Navy. The aircraft featured a conventional design, powered by two radial engines with a propeller, fitted with high wings and a tricycle landing gear.
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Specifications
Units
- Engine
- 2 × Wright R-1820-82WA
- Engine type
- Piston
- Power
- 2 × 1,525 hp · 1,137 kW
- Avionics
- —
- Wing tips
- No winglets
- Seats
- 4
- Crew
- —
- Cabin width
- —
- Cabin height
- —
- Cabin length
- —
- Exterior length
- 43 ft 6 in · 13.26 m
- Tail height
- 17 ft 6 in · 5.33 m
- Fuselage diameter
- 5 ft 9 in · 1.75 m
- Wing span
- 72 ft 7 in · 22.12 m
- Baggage volume
- —
- Gross weight
- —
- Empty weight
- —
- Max takeoff weight
- 26,100 lb · 11,900 kg
- Max landing weight
- —
- Max payload
- 4,850 lb · 2,200 kg
- Fuel capacity
- 520 gal · 2,000 L · 1,400 kg (AvGas)
- Max cruise speed
- 243 kt · 280 mph · 450 km/h
- Maximum speed
- —
- Cruise speed
- —
- Approach speed
- 64 kt · 74 mph · 119 km/h
- Range
- 1,173 nm · 1,350 mi · 2,170 km
- Fuel burn
- —
- Ceiling
- 22,000 ft · 6,700 m
- Rate of climb
- 1,920 ft/min · 10 m/s
- Takeoff distance
- —
- Landing distance
- —
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Operational Context
The Grumman S-2 Tracker was purposely-built to replace the AF Guardian anti-submarine warfare of the United States Navy. On June 30, 1950, two prototypes designated as XS2F-1 and fifteen S2F-1 production aircraft were ordered. On December 4, 1952, the aircraft took to the air for the first time. In February 1954, it entered into service.
The S-2 Tracker can accommodate up to four crew members. It has an external length of 13.26 meters, an external height of 3 meters, and a fuselage diameter of 1.75 meters. The tail height is 5.33 meters and the tricycle landing gear has a wheelbase of 4.2 meters. The aircraft is fitted with high wings with a wingspan of 22.12 meters and a wing area of 45.1 square meters. It has an empty weight of 8,308 kg, a gross weight of 10,630 kg, a maximum payload of 2,200 kg, and a fuel tank capacity of 520 US gal. The maximum takeoff weight is 11,860 kg.
The aircraft is powered by twin Wright R-1820-82WA engines. It is a nine-cylinder single-row supercharged air-cooled radial piston engines with two overhead valves per cylinder with sodium-filled exhaust valves, a single-speed centrifugal-type supercharger a Stromberg downdraft carburetor with an automatic mixture control fuel system, a dry-sump with one pressure and one scavenging pump oil system, and an air cooling system. Each engine produces a maximum thrust of 1,525 hp.
The Tracker has a maximum speed of 243 knots at sea level and a cruise speed of 130 knots. It has a travel range of 1,173 nautical miles and has a nine-hour endurance. It can fly up to 22,000 feet and can climb at a rate of 1,920 feet per minute. The 2,200 kg of payload could be carried in the internal weapons bay and on six under-wing hardpoints; it included different torpedoes and MK.54 or naval mines depth charges.
Sources and references used for research and fact-checking.