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Rolls-Royce F130 Clears Altitude and Operability Tests for B-52J, Opening Path to Flight Testing

Validated results now unlock test-aircraft modifications ahead of engine deliveries planned for 2027.

Overview

  • Rolls-Royce and the U.S. Air Force completed F130 evaluations at AEDC in Tennessee, confirming performance across mission-representative conditions.
  • Testing included high-altitude runs, distortion-screen operability checks to gauge stability in turbulent airflow, and Integrated Drive Generator trials with Boeing to verify electrical power performance.
  • Program officials say the data supports moving into aircraft modifications and flight testing, with additional system integration and dual‑pod work set to continue at NASA’s Stennis Space Center.
  • Following a late‑2024 Critical Design Review, initial flight‑test engine builds are underway, deliveries are expected in 2027, and two B‑52s are slated for the engine flight‑test campaign.
  • Derived from the BR725, the F130 will replace TF33s with interchangeable dual‑pod installations; engines will be produced in Indianapolis, Honeywell will supply a new APU, the 76‑jet fleet will be redesignated B‑52J, and initial operating capability is targeted for 2033.