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Artist's impression of a 7J7.

The Boeing 7J7 is an unbuilt narrowbody single-aisle jetliner designed by Boeing. It was designed to be very fuel efficient, and instead of using turbojet (as in the 707) or turbofan engines (all later Boeings than the 707), it would have used propfan engines.

Specifications[]

  • Capacity: 147-166
  • Length: 87 ft 8 in (26.72 m) cabin, 124' 11" (38.1 m) fuselage, 143' 11" (43.9 m) airplane
  • Wingspan: 121 ft (37 m)
  • Height: 35 ft (11 m)
  • Wing area: 1,365 sq ft (126.8 sq m)
  • Empty weight: 97,380 lb (44,170 kg)
  • Max. takeoff weight: 159,000 lb (72,120 kg)
  • Cruise speed: Mach 0.83
  • Range: 2,250 nmi-4,250 nmi
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