GE Aviation Completes Critical Design Review for T901 Turboshaft Engine

Test7

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GE’s T901 engine ahead of schedule with critical design review complete


GE Aviation, in cooperation with the United States Army, successfully completed the Critical Design Review (CDR) in July for the T901-GE-900, GE’s next-generation engine that will power a large portion of the Army’s rotorcraft fleet for decades to come.

In 2019, the U.S. Army selected GE Aviation’s T901 engine for the Engineering and Manufacturing Development (EMD) phase of the Improved Turbine Engine (ITE) program to re-engine its Boeing AH-64 Apache and Sikorsky UH-60 Black Hawk fleet. The Army has also selected the 3,000-shp engine for the Future Attack Reconnaissance Aircraft (FARA) program.

T901 fit check photo courtesy of the US Army

T901 fit check photo courtesy of the US Army

CDR is considered a significant EMD milestone. Prior to the week-long Engine Systems CDRs, Engine Control System Components (ECSC) and Software CDRs as well as numerous Technical Interchange Meetings (TIMs) were conducted.
CDR entrance criteria includes GE's submittal of more than 35 deliverables supporting the Army's review and approval of the T901's requirements flow down, analysis and life assessments, schedules, manufacturing and test plans.

While these reviews would typically be conducted in person, due to the coronavirus pandemic all these reviews were conducted virtually. It is a tribute to the thorough preparation and collaboration with Army engineering that these reviews were successfully and seamlessly accomplished remotely. Completion of CDR allows GE Aviation to move ahead to its next critical milestone, First Engine To Test (FETT) for the XT901. FETT is scheduled to occur in 4QFY21.

GE Aviation continues to make strides to accelerate the program. It remains committed to the Army’s goal of accelerating the testing and delivery of the engine. A team of approximately 250 employees in Lynn, Massachusetts, and Cincinnati, Ohio, continue executing on the Engineering Manufacturing Development (EMD) phase of the T901 program.
“We are extremely happy with the teamwork demonstrated by GE T901 and US Army ITE teams in reaching this key program milestone,” said GE T901 Program Director Tom Champion. “We have begun rig testing of T901 product configuration components and look forward to full engine testing next year.”

Earlier this year, GE Aviation and the Army successfully completed a T901 fit check of a Sikorsky UH-60M Black Hawk and a Boeing AH-64E Apache. According to Rich Crabtree, a member of the Army’s ITE AH-64E Integration team, the engine “fits like a glove… just like the T700.”
“We continue to monitor and assess risks daily, in conjunction with GE Aviation,” said Col. Roger Kuykendall, Army Aviation Turbine Engines Project Manager. "It is a true testament to GE and the government team on the work they have done to minimize delays and remain ahead of schedule.”

 

Cabatli_TR

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I hope TEI will introduce the TS-3000 turhoshaft mock-up in a short time. TS-3000 will be in same class with GE T901 engine and both of them will generate 3000shp power. T901 will be integrated on new Uh-60M and new Apache helicopters and Turkish TS-3000 will power TAI’s Atak-2 heavy class attack helicopter and 10t utility helos.
 

Zafer

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I hope TEI will introduce the TS-3000 turhoshaft mock-up in a short time. TS-3000 will be in same class with GE T901 engine and both of them will generate 3000shp power. T901 will be integrated on new Uh-60M and new Apache helicopters and Turkish TS-3000 will power TAI’s Atak-2 heavy class attack helicopter and 10t utility helos.
It is also about time when TEI consider making turboprop models from the turboshaft cores to be used on propeller planes. Like Hürkuş and a possible twin engine model for both military and civilian uses. And of course for UAVs. This can double the power of turboprop planes like Akıncı and quadruple the power with the upcoming 3000hp engine. The 3000hp can also power the possible next generation helicopter programs of the Turkish Army similar to the FARA and FLRAA programs of the US Army. Also looking at the the Teknofest Helicopter Designs all contender finalists presented designs with the similar concepts as the FARA/FLRAA programs. Something should happen.
 

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