The Convair F-106 Delta Dart was the primary all-weather interceptor aircraft for the United States Air Force from the 1960s through the 1980s. Designed as the so-called "Ultimate Interceptor", it has proven to be the last dedicated interceptor in U.S. Air Force service to date. It was gradually retired during the 1980s, with the QF-106 drone conversions of the aircraft being used until 1998.
The F-106 emerged from the USAF's 1954 interceptor program of the early 1950s as an advanced derivative of the F-102 known as the "F-102B", for which the United States Air Force placed an order for in November 1955. The aircraft featured so many modifications and design changes it became a new design in its own right, redesignated F-106 on 17 June 1956.
The F-102 had to be redesigned with an area ruled fuselage to achieve supersonic speed in level flight. To exceed Mach 2, the largely new F-106 featured a more powerful Pratt & Whitney J-75-P-17 afterburning turbojet with enlarged intake diameter to compensate for the increased airflow requirements and a variable geometry inlet duct, which allowed the aircraft improved performance particularly at supersonic speeds, as well as permitting a shorter inlet duct. The fuselage was cleaned up and simplified in many ways featuring a modified, slightly enlarged wing area and a redesigned vertical tail surface. The aircraft's exhaust nozzle featured a device known as an idle thrust reducer, which allowed taxiing without the jet blast blowing unsecured objects around, without adversely affecting performance at high thrust levels, including afterburners. The fuselage was also slightly longer than the F-102 Delta Dagger's.
1.Massachusetts Ang 102FIW 101FIS "Cape Cod" (Demonstrator at 1985 Copper Flag)
2.USAF ADTAC 49FIG 5FIS "Spittin' Kittens" (Demonstrator at 1984 William Tell)
Skill Level 3
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