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Thread: Fastest machines 2

  1. #1
    Guardian
    Guest

    Fastest machines 2





    The Lockheed SR-71 was an advanced, long-range, Mach 3 strategic reconnaissance aircraft developed from the Lockheed YF-12A and A-12 aircraft by the Lockheed Skunk Works. The SR-71 was unofficially named the Blackbird; its crews often called it the Sled, or the Habu ("snake"). The SR-71 line was in service from 1964 to 1998. Clarence "Kelly" Johnson was the man behind many of the design's advanced concepts. The SR-71 was one of the first aircraft to be shaped to reduce radar cross section. However, the aircraft was not stealthy and still had a large enough radar signature to be tracked by contemporary systems. The aircraft's defense was its high speed and operating altitude; if a surface-to-air missile launch was detected, the standard evasive action was to simply accelerate. Twelve of the aircraft have been destroyed, though none lost to enemy action

    General characteristics

    Crew: 2
    Payload: 3,500 lb (1,600 kg) of sensors
    Length: 107 ft 5 in (32.74 m)
    Wingspan: 55 ft 7 in (16.94 m)
    Height: 18 ft 6 in (5.64 m)
    Wing area: 1,800 ft2 (170 m2)
    Empty weight: 67,500 lb (30 600 kg)
    Loaded weight: 170,000 lb (77 000 kg)
    Max takeoff weight: 172,000 lb (78 000 kg)
    Powerplant: 2 Pratt & Whitney J58-1 continuous-bleed afterburning turbojets, 32,500 lbf (145 kN) each
    Wheel track: 16 ft 8 in (5.08 m)
    Wheel base: 37 ft 10 in (11.53 m)
    Aspect ratio: 1.7
    Performance
    Maximum speed: Mach 3.2+ (2,200+ mph, 3530+ km/h) at 80,000 ft (24,000m)
    Range:

    Combat: 2,900 nm (5400 km)
    Ferry: 3,200 nm (5,925 km)
    Service ceiling: 85,000 ft (25,900m, 16 miles)
    Rate of climb: 11,810 ft/min (60 m/s)
    Wing loading: 94 lb/ft2 (460 kg/m2)
    Thrust/weight: 0.382



     



  2. #2
    D_only_one
    Guest
    nice info..

  3. #3
    Devil12911
    Guest
    wow

  4. #4
    shalin_99
    Guest
    Nice...one...

  5. #5
    viraj
    Guest
    cool mate

  6. #6
    viraj
    Guest
    biger pic

  7. #7
    maxjeolite
    Guest
    nice info
    gr88

  8. #8
    coolestnapster
    Guest
    nice info...can i have one

  9. #9
    Terminator
    Guest
    nice.

  10. #10
    Junior Member Array
    Join Date
    Sep 2009
    Posts
    38
    Rep Power
    0
    nice

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