Here’s what will power stealth Black Hawk successor from Sikorsky-Boeing

Sikorsky and Boeing’s stealthy Black Hawk successor, a contender for the US Army’s Future Long-Range Assault Aircraft (FLRAA) competition, will be powered by a Honeywell engine.

Honeywell has been selected to provide its new HTS7500 turboshaft engine as the power behind the new helicopter, referred to as Defiant X.

The HTS7500 turboshaft engine is the newest and most technologically advanced model in Honeywell's family of military engines, which includes the iconic T55 engine that has powered the H-47 fleet for over 60 years.

Like the T55, the HTS7500 is a highly reliable engine designed to thrive in austere environments and to perform to keep military personnel safer. The HTS7500 enhances mission readiness and exceeds mission power and fuel consumption requirements.

The new engine comes equipped with a modernised control system, which enables a highly secure flow of engine data. The control system improves operating capabilities, reduces life-cycle costs, and ensures engine health status through its digital thread road map.

“This engine builds upon the battle-proven architecture of the T55, but the HTS7500 takes engine performance, reliability and efficiency to a whole new level," said Dave Marinick, president of engines and power systems at Honeywell Aerospace. "The engine is structurally similar, which is great for maintainers in the field because they can use current tools and training. However, when it comes to performance, the HTS7500 is 42% more powerful than the T55-GA-714A and has the lowest total weight compared to other engines in its horsepower class."

"We're committed to the US Army's focus on modernization and multidomain operations, and the selection of Honeywell's latest engine technology for the Defiant X is proof of that commitment," said Ricky Freeman, president of defense and space at Honeywell Aerospace. "The HTS7500 checks all the right boxes for the Lockheed Martin Sikorsky-Boeing team and the Army, and we are excited to play a part in the future of vertical lift for our Army customer and Team Defiant."

The Defiant X can fly two times faster and farther than the Black Hawk and is currently being tested in a digital combat environment.

FLRAA was initiated by the US Army in 2019 to develop a new utility helicopter that will replace the Sikorsky UH-60 Black Hawk starting in 2030. The Black Hawk was developed in the 1960s and 1970s and was selected by the US Army in 1976. FLRAA will provide the next generation of capability for decades to come for the US Army, and the HTS7500 has been built to provide world-class reliability and time on wing for this next generation of aircraft.

www.aerospace.honeywell.com

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