The Republic F-84 Thunderjet was manufactured by Republic Aviation as a turbojet fighter-bomber aircraft in the United States. In 1944, it originated as a day fighter for the requirement of the United States Army Air Force and performed its first flight in 1946. It was introduced in November 1947 and was retired in the United States Army Air Force in 1964, while in the Yugoslavia in 1974. A total of 7,524 aircraft were built.
On September 11, 1944, a General Operational Requirement from the United States Army Air Force was released for a day fighter capable of flying on a top speed of 521 knots, with a combat range of 612 nautical miles, could be loaded with either six 12.7 mm or 15.2 mm machine guns, and powered by a single Allison J35 engine.
On November 11 of the same year, the manufacturing company Republic Aviation received three prototypes order. The prototype was designated as XP-84. On February 28, 1946, it took to the air for the first time piloted by Major Wallace A. “Wally” Lien. In November 1947, the aircraft entered into service. It was produced in several versions with a total number of 7,524 Thunderjets built.
The F-84G version is a single-seat fighter bomber with an external length of 11.61 meters, an external height of 2.7 meters, and a fuselage diameter of 1.2 meters. It has a tail height of 3.91 meters and a wheelbase of 5.4 meters. The wingspan is 11.10 meters and the wing area is 24 square meters. It has an empty weight of 5,203 kg, a gross weight of 8,201 kg, and a maximum takeoff weight of 10,587 kg. The maximum payload is 2,000 kg.
The aircraft is powered by a single Allison J35-A-29 engine. It is an afterburning turbojet with an eleven-stage axial compressor, eight tubular inter-connected combustion chambers, a single-stage axial turbine, and a dry-sump pressure system with spur gear pressure and scavenge pumps. The engine produces a maximum thrust of 5,560 lbf.
The Thunderjet has a maximum speed of 541 knots and a cruise speed of 413 knots. The combat range is 870 nautical miles, and the ferry range is 1,700 nautical miles with external tanks. It can fly up to 40,500 feet and can climb at a rate of 3,765 feet per minute.
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