Defense & Aerospace Report Defense & Aerospace Air Power Podcast [Nov 06, 25] Season 3 E42: Engines, Engines Everywhere
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Nov 6, 2025 Kari Erickson and John Kusnierek, both Senior VPs at Rolls-Royce, dive into the world of advanced propulsion technologies. They discuss the notable B-52 re-engining efforts and the innovative F-35B lift system's engineering intricacies. The conversation also explores the evolution of tilt-rotor engines, the smart adaptation of civil engines for military use, and the ambitious future of hypersonics. With a rich history guiding them, they emphasize the role of AI and advanced materials in shaping the future of aviation.
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B-52 Roots And Workforce Commitment
- John Kusnierek recalled starting his aerospace career on B-52 modernization and called the program personally important.
- He praised the Indianapolis workforce for continuing deliveries during COVID and their patriotic commitment to the B-52 program.
Two Trends Shaping Engine Development
- John Kusnierek highlighted two trends: adapting mature civil engines for legacy platforms and shrinking engine sizes for smaller systems.
- He said speed of adaptability matters more than always pushing the newest tech for military needs.
Use Demand To Drive Industrial Capacity
- John Kusnierek urged the DoD to present a clear demand signal and challenge industry to perform.
- He framed that demand-driven approach as a practical path to solve industrial-base concerns.