Pratt & Whitney J75 (JT4)

The J75 was a scaled up J57 and first flew in 1955. This turbojet was in production from 1956 through 1967.

models

  • YJ75-P-11: 23,500 lb (104.5 kN) afterburning thrust
  • J75-P-17: 24,500 lb (109 kN) afterburning thrust
  • J75-P-19W: 24,500 lb (109 kN) afterburning thrust

specifications

  • Turbojet
  • Dual compressor, axial flow
  • mass flow: 249-256 lbs/sec

used by

  • Republic F-105 Thunderchief
  • Convair F-106 Delta Dart
  • North American F-107
  • Martin P6M Seamaster