The chairman of Canada’s Transportation Safety Board (TSB) wants a mandatory 30-minute “run dry” requirement on all main gearboxes (MGB) for future helicopters. Wendy Tadros’s remarks came as part of the TSB’s investigation of the March 2009 fatal crash of a Sikorsky S-92A off Newfoundland, 11 minutes after its MGB ran out of oil.
Rotorcraft » Rotorcraft Engines
News and issues regarding all manner of civil and military rotorcraft powerplants.
Sikorsky has announced the end of the S-76C++ production run, thus firming up S-76D delivery plans for this year. The S-76D is undergoing flight testing, with a goal for FAA sea-level certification in the fourth quarter.
The European Union market is a “top priority” for Russian Helicopters, and the manufacturer does not want to limit those Russian-made models that are in operation there to rescue and firefighting.
Special conditions for the Pratt & Whitney Canada PW210S turboshaft, which is powering the in-development Sikorsky S-76D, have been issued by the FAA and are now effective, on the grounds that the engine has “a novel or unusual design feature”–engine operation in APU mode. Despite the additional testing required, certification of the engine is still targeted for September.
Turbomeca has received EASA certification for its 950-shp Arriel 2D turboshaft, destined to power the Eurocopter AS350B3e Squirrel. The Arriel 2D is said to provide better performance (its predecessor stood at 848 shp) for lower fuel consumption. The initial 4,000-hour TBO is expected to increase to 6,000 hours.
Sikorsky and General Electric have signed a teaming agreement under which GE Aviation will provide CT7-8 engines for Sikorsky’s S-97 Raider prototype development program. The Raider is a high-speed, high-agility next-generation helicopter drawing on the company’s X2 technology, and which is aimed at providing an armed aerial scout for the U.S. Army, among other applications.
Helicopter engine manufacturer Turbomeca (Hall 2A A232) is busy developing improved models for new Eurocopter variants in the light-single and medium-twin helicopter categories, as well as an engine family that will power China’s and Russia’s forays in medium twins.
Russian Helicopters and engine manufacturer Turbomeca announced last month that they signed contracts for the supply of “at least 308” Ardiden 3G turboshafts to be installed on the “updated” Kamov Ka-62 medium twin. The Ardiden 3G is an Ardiden 3 variant producing 1,700 to 2,000 shp.
Engine maker Rolls-Royce released its annual turbine helicopter sales forecast at Heli-Expo 2011. The company predicts 16,900 new turbine helicopters will be delivered between now and 2020 with a value of $140 billion.
BBA Aviation Engine Repair and Overhaul companies are at Heli-Expo in force, with news of everything from live video streaming of a borescope inspection to receipt of EASA certification for a new Pratt & Whitney Canada PT6T test cell.