Jean-Pierre Cojean, Snecma executive vice president of commercial engines and head of the Silvercrest engine program, said the engine-maker was disappointed, but not devastated, at not having clinched the contract to supply the engine for Dassault’s new Falcon super-midsize business jet to be launched in the next few months.
Despite having lost out to Rolls-Royce in the competition to power Dassault’s still-under-wraps super-midsize Falcon, Snecma is moving ahead with development its Silvercrest engine for business jets. The French manufacturer (Booth No. 824) is here exhibiting a full-size mockup of the 10,000-pound-thrust-class turbofan.
When Honeywell announced at last year’s NBAA Convention in Orlando its intention to build the HTF10000, a 10,000-pound-thrust turbofan engine for super-midsize to large business jets, its Tech 7000 engine demonstrator was in test with a variety of technologies running.
In a study released today entitled “The Market for General Aviation/Utility Aircraft 2007-2016,” Forecast International said it anticipates a decline in corporate demand for twin turboprops in favor of the fractional ownership of turbofan-powered aircraft. Further, it expects this trend to accelerate as more sub-$4 million very light jets are delivered.
For many years, the one market segment that General Electric’s turbine engine-manufacturing business didn’t serve was aircraft that use smaller turboprop engines. But that is changing; GE announced yesterday that it is buying Czech engine manufacturer Walter Engines. Based in Prague, Walter has manufactured more than 37,000 aircraft engines since 1923.
The FAA is accepting comments until August 16 on a proposed Airworthiness Directive that would affect as many as 3,572 TFE731-2 and -3 turbofans on U.S.-registered aircraft. If the measure is enacted, the engines’ low-pressure turbine stage 1 disks would have to be repetitively checked for fatigue cracks. An estimated 1,900 of those engines would require disk replacement under the proposed AD.
Dassault senior v-p for civil aircraft Olivier Villa has clarified that the unusually high thrust (two 10,000-pound engines) on the still-under-wraps super-midsize Falcon will be put to work for maximizing climb and cruise performance. There has been speculation about why the manufacturer asked Rolls-Royce to supply turbofans with significantly more thrust than the 7,000 pounds common in this market segment.
Cessna 208B Caravan, Globe, Ariz., July 22, 2005–The NTSB determined that the probable cause of the crash of Caravan N717BT was the fatigue failure of the compressor turbine stator vane, the liberation of vane material into the compressor turbine (damaging the turbine blades downstream) and the total loss of engine power.
Rolls-Royce has revealed exclusively to Aviation International News details of an entirely new family of two-shaft engines under development to power business jets and large regional aircraft.
No aircraft flies with MTU engines, and yet MTU is involved in one third of all aircraft engine programs. MTU is the largest independent maintenance provider for aircraft engines and is associated with the production in many major engine programs. It is also leading Europe’s NEWAC research program, aiming to develop a new-technology engine-core concept.