Pratt & Whitney’s launch on Tuesday of a 35,000-pound-thrust version of its Geared Turbofan extends the family’s power range by another 2,000 pounds, giving Airbus A321neo customers enough range and payload capability to effectively operate from such hot and high locations as Mexico City and Bogota. Dubbed the PW1135G-JM, the engine gets its extra thrust from leftover development margin extracted from the design of the family as a whole, thereby requiring no hardware or design changes, explained Pratt & Whitney vice president of engineering Tom Prete.
Pratt & Whitney PW1000G
Most activity in business jet engine research and development is taking place for business aircraft at the top end of the size range. Snecma (Booth 5515) is developing the Silvercrest for the Dassault Falcon 5X, while Pratt & Whitney Canada (Booth 3834) has readied a new variant of the PW307 for the newly revealed Falcon 8X. The Québec-based manufacturer is also running the PW800, a demonstrator in the 10,000- to 20,000-lb-thrust range. GE (Booth 5551) is working on its Passport engine for Bombardier’s Global 7000 and 8000.
Pratt & Whitney Canada started running a full PW800 engine demonstrator late last year, company vice president of business aviation and military programs Michael Perodeau told AIN yesterday. He confirmed that the demonstration effort has progressed according to plan but gave little detail.
As CFM International and Pratt & Whitney progress toward the entry into service of their competing engines on the Airbus A320neo, the rival powerplant makers are at odds over which engine will deliver the best performance in terms of turbine temperatures.
Crane Aerospace & Electronics announced the approval of its SmartStem wireless tire pressure checking system on the Boeing 737NG. Crane said that its patented technology offers a way to check tire pressure quickly, accurately and without gas loss. The system consists of sensors and a handheld reader. The sensors replace the existing standard wheel fill stems and the reader electronically reads and stores tire pressure and temperature.
Engine manufacturer CFM International reports that the Leap series of turbofans under development for the new Airbus A320neo, Boeing 737 Max and Comac C919 narrowbodies is performing as planned since full engine testing began last month. “I’m proud and really happy to tell you that the engine is running smoothly,” Chaker Chahrour, CFM executive vice president, told reporters in a teleconference on October 16. “This engine wants to run.”
United Technologies and Rolls-Royce have agreed to drop plans to collaborate on a new family of engines for the 120- to 230-seat narrowbody market, “following further discussion and because of the current regulatory environment,” said UTC engine subsidiary Pratt & Whitney in a statement released Thursday.
The second generation of Embraer’s E-Jet series of narrowbody airliners was officially launched and named E2 during last week’s Paris Air Show. Seven launch customers rallied for the christening party, supporting the Brazilian airframer with approximately $17.8 billion worth orders and commitments for up to 365 of the twinjets.
International Lease Finance Corporation (ILFC) has been busy announcing a procession of airframe and engine deals here in Paris. On Tuesday, the company announced it had signed for CFM International Leap-1A engines to power a further 20 Airbus A320neo jetliners. That brought the total backlog to 60 shipsets. With the aircraft scheduled to begin deliveries in 2016, the new order is valued at $510 million.