Republic F-84F Thunderstreak
1950 fighter-bomber aircraft / From Wikipedia, the free encyclopedia
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The Republic F-84F Thunderstreak was an American swept-wing turbojet-powered fighter-bomber. The RF-84F Thunderflash was a photo reconnaissance version.
F-84F Thunderstreak RF-84F Thunderflash | |
---|---|
USAF F-84F Thunderstreak | |
Role | Fighter-bomber Reconnaissance aircraft |
National origin | United States |
Manufacturer | Republic Aviation |
First flight | June 3, 1950 |
Introduction | May 12, 1954 |
Retired | 1972 (US ANG) 1991 (Greece) |
Primary users | United States Air Force German Air Force Italian Air Force Belgian Air Force |
Number built | 3,428 |
Developed from | Republic F-84 Thunderjet |
Variants | Republic XF-84H Thunderscreech |
The design was originally intended to be a relatively simple upgrade to the F-84 Thunderjet to make it more competitive with the F-86 Sabre, differing largely in the use of a swept-wing and tail. Given the small number of changes, it was assigned the next model letter in the F-84 series, F. The prototypes demonstrated a number of performance and handling issues, which resulted in marginal improvement over the previous versions. Production was repeatedly delayed and another run of the straight-wing Thunderjets were completed as the G models.
Looking for a clear performance edge compared to the G models, the engine was upgraded to the much more powerful British Armstrong Siddeley Sapphire built in the United States as the Wright J65. The larger engine required the fuselage to be stretched into an oval shape and the air intake to be modified. With these and other changes, the design was finally ready to enter production, but only a fraction of the original production systems could be used and the aircraft was effectively a new design. It finally entered service in November 1954, by which time the Sabre had also undergone many upgrades and the Thunderstreak was relegated to the fighter-bomber role. Its time as a front-line design was brief, it began to be moved to secondary roles as early as 1958.
F-84Fs were then offered to NATO member countries and other allies, who took them up in large numbers. Operators included the Belgian Air Force, Royal Danish Air Force, French Air Force, West German Air Force, Greek Air Force, Italian Air Force, Royal Netherlands Air Force, Royal Norwegian Air Force, Republic of China Air Force, Turkish Air Force, and for a brief period using ex-French examples, the Israeli Air Force.