US Army completes GE T408 engine program on H-47

US Army completes GE T408 engine program on H-47

17-May-2021

The U.S. Army Combat Capabilities Development Command Aviation & Missile Center (DEVCOM AvMC), Boeing and GE recently completed all the planned test points under a multi-year demonstration program of a U.S. Army NCH-47D Chinook helicopter powered by GE’s advanced T408 turboshaft engine. The success of this effort demonstrates how integration of more powerful engines on the H-47 Chinook could support future aircraft capability and Army Aviation modernization efforts while reducing technical and integration risk.

The joint demonstration team conducted a total of 18 ground tests from late 2019 into early 2021. Despite travel restrictions posed by COVID-19 and social distancing measures while on post at Fort Eustis, the combined team was able to complete all required ground tests, leading successfully and safely, to the aircraft’s first flight in September 2020. The flight test program explored the T408-powered Chinook’s envelope over seven flight test events, including a variety of test points consisting of: three different gross weight configurations, maximum torque, airspeed up to 140 knots, turns up to 60 degrees angle of bank, and altitudes up to 4,000 ft.

Flight testing demonstrated the ability to successfully integrate heavier and more powerful engines into an H-47 aircraft while enabling the aircraft to operate and maneuver up to the aircraft limits at light, medium and heavy weight points. Flight testing highlighted the fuel efficiency improvements seen with a more modern engine. Results of the flight demonstrations will be used to inform future Army plans.

“The T408 program is a great example of how AvMC’s collaboration with industry partners is producing new capabilities for our Aviation Warfighters,” said Col. Justin Highley, Commander, Systems Integration and Demonstration, AvMC Technology Development Directorate for Aviation. “Integrating a new engine onto a production aircraft was a large undertaking, but the team rose to the challenge and met all the program goals.  I am particularly proud of the resilience they showed in completing the final integration and testing in a COVID environment, which is a testament to this team’s dedication to our Soldiers.”

“We’ve already implemented a Block II drivetrain that enables more powerful engines on a Chinook” said Andy Builta, Boeing Vice President and H-47 program manager.  “A more powerful engine could be the growth engine for the Chinook to deliver even more capability and efficiency to the Army’s enduring fleet.”

“This demonstration program confirms the feasibility and capability of a T408-powered CH-47 Chinook,” said Harry Nahatis, vice president and general manager of GE Rotorcraft & Turboprop Engines. “Our long partnerships with the U.S. Army and Boeing made this an exciting opportunity, and despite the unexpected obstacles created by COVID-19, we were able to achieve each of the important milestones we set out to achieve. We’re proud to have been part of this great team.”

The H-47 is the U.S. Army’s heavy lift helicopter, designed for cargo and troop transportation. It has been the workhorse of Army Aviation heavy lift for decades, providing state-of-the-art, battle-tested capability for warfighters around the world.

The 7,500 shaft horsepower T408 engines offer a 54% increase in power over the Chinook’s current engines.

About GE

GE (NYSE:GE) rises to the challenge of building a world that works. For more than 125 years, GE has invented the future of industry, and today the company’s dedicated team, leading technology, and global reach and capabilities help the world work more efficiently, reliably, and safely. GE’s people are diverse and dedicated, operating with the highest level of integrity and focus to fulfill GE’s mission and deliver for its customers.

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