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Magazine Issue

Aviation Week & Space Technology, Sept. 11, 2023

VOL. 185 NO. 35 September 11, 2023

X-plane concept — Credit: Aurora Flight Sciences

DEFENSE

X-Plane Surge Fueled By DARPA Strategy Revamp

Sep 06, 2023

A two-decade trend of failed X-plane projects at the agency appears to be reversing, with a recent switch to a scaled-down approach producing results.

U.S. Navy Is Steaming Ahead On A New Trainer

Sep 07, 2023

Requirements for the service’s T-45 replacement would likely mean more engineering work for existing competitors.

PROPULSION

Need For Speed Pushes Rotating Detonation Development

Sep 06, 2023

Long-term pressure gain remains the goal, but compact combustion is accelerating near-term adoption of the technology for high-speed propulsion systems.

Rotating Detonation Factors In GE High-Speed Engine Tests

Sep 07, 2023

Previous work on hypersonic accelerator and high-speed patent provide possible clues as to GE’s ambitions for rotating detonation technology.

NASA Steps Up Rotating Detonation Rocket Power Tests

Sep 08, 2023

Building on good results of initial 4,000-lb. demonstrator RDRE engines, NASA says larger pressure-gain rockets hold promise for future space missions.

COMMERCIAL AVIATION

This Summer Gave U.S. Airlines A Glimpse Of What Might Come

Sep 05, 2023

Summer 2023 has seen its fair share of challenges, including record-breaking high temperatures—something airlines may have to contend with more in the future.