Pratt & Whitney Valox 1500 engine clears design milestone

Pratt & Whitney, a business unit of RTX (NYSE: RTX), announced at the Farnborough International Airshow that its Valox 1500 engine has completed a key design milestone, according to a company press release.

The Valox 1500 is a new engine intended for semi-autonomous collaborative platforms. A digital assessment confirmed the design is on track, and the company said it is now focused on maturing the design for follow-on ground testing.

In late 2025, Pratt & Whitney received a contract from the U.S. Air Force valued at more than $10 million to advance the engine design.

Jill Albertelli, president of Pratt & Whitney's Military Engines business, said, "By optimizing the engine design for reduced mission life and moving beyond traditional development timelines, our team is bringing forward a more affordable, scalable propulsion solution for emerging operational needs."

The company also recently unveiled the broader Valox engine family, which is designed for collaborative combat systems and other applications. Pratt & Whitney said digital engineering investments have reduced risk in the development timeline.

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