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    07.24.2014 | Herakles: working to reduce vibrations during Ariane launches

    The solid rocket motors used on space launchers generate vibrations that may cause damage to the satellites they carry. Thanks to its simulation software, combined with its ability to produce a specially adapted propellant, Herakles will be able to limit the impact of this phenomenon on the thrusters of the future Ariane 6 launcher.

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    07.23.2014 | Download as PDF | China Eastern Airlines selects Messier-Bugatti-Dowty

    Vélizy, July 23rd, 2014 China Eastern Airlines has selected Messier-Bugatti-Dowty (Safran) to supply MRO services and wheels and brakes for its respective A330 and A320 fleets. The MRO agreement will entail landing gear overhaul, loan and standard exchange services for 20 A330 aircraft. The overhaul activity will take place from 2015 to 2018 at Messier-Bugatti-Dowty’s MRO facility in Singapore. Earlier in 2013, MBD was selected to provide landing gear MRO services for its fleet of A340-600 aircraft plus an extended A320 family contract to include another 12 A320 and 4 A321. In addition, China Eastern Airlines has also selected MBD wheels and carbon brakes for its entire A320 fleet of 165 aircraft. Messier-Bugatti-Dowty has provided wheels and carbon brakes to the Chinese market for 25 years, starting with China Eastern Airlines as launch customer for its A300 and A310 widebody twins. Vincent Mascré, Chairman and CEO of Messier-Bugatti-Dowty, said, "Building on 25 years of partnership, we are extremely pleased with this dual selection, and look forward to further supporting the growth and development of our longest-standing Chinese customer.” Feng Liang, Vice President of China Eastern Airlines, added: "Whether in terms of MRO services or wheels and brakes, over the years we have greatly appreciated the quality and reliability of the products and services supplied by Messier-Bugatti-Dowty. Based upon this consistency in performance, we once again called on MBD’s expertise for our A330 and A320 fleets." These two contracts further bolster Messier-Bugatti-Dowty’s position as world leader in Airbus landing gear MRO market and the A320 wheels and brakes market, offering complementary solutions across product lines, tailored to the needs of Airbus operators. * * * * Messier-Bugatti-Dowty (Safran) is the world leader in aircraft landing and braking systems. Company capabilities encompass the full life cycle of our products, ranging from design and manufacture to in-service support, repair and overhaul. Messier-Bugatti-Dowty is a partner to 30 leading commercial, military, business and regional airframers, and supports more than 24,000 aircraft making over 40,000 landings every day. The company employs 7,000 staff working in locations across Europe, North America and Asia.
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    07.22.2014 | Download as PDF | Snecma’s PPS®1350-E plasma thruster sets world record

    Vernon, France – July 22, 2014. The PPS®1350-E plasma thruster from Snecma (Safran) has completed a series of endurance tests totaling 6,700 hours of operation, for a total impulse* of 3.4 million Newton-seconds (MN.s), a world record for this type of thruster. Based on this performance, the PPS®1350-E electric propulsion solution is fully capable of carrying out two major functions on today’s satellites: part of the transfer of a geostationary satellite into its definitive orbit, then stationkeeping throughout its orbital life. This type of electric propulsion system significantly decreases satellite weight, by reducing the amount of chemical propellant needed for the orbital transfer phase. Tests were carried out in several phases from January 2013 to July 2014 on a space vacuum test rig at Snecma’ plant in Vernon, west of Paris. Rated at 2.5 kW of electrical power, the PPS®1350-E is derived from the 1.5-kW PPS®1350-G, already qualified. Between 2003 and 2006, the PPS®1350-G powered the European Space Agency’s Smart-1 probe from Earth orbit into lunar orbit. Four of these thrusters provide North-South stationkeeping on the Alphasat satellite, launched in July 2013. The PPS®1350-E has already been chosen for an upgraded Alphabus platform, with qualification expected in early 2016. David Quancard, head of the Space Engines division of Snecma, said, "Reaching this development milestone confirms the excellent potential of our line of PPS plasma thrusters, and their benefits for tomorrow’s satellite platforms. This milestone was achieved thanks to financial support from French space agency CNES, and clearly validates our customers’ confidence in us." Snecma has developed electric thrusters for more than 30 years, and now offers a range of Hall effect plasma thrusters and propulsion systems rated at 300W to 20 kW. Used in an "all electric" configuration, this technology reduces the weight of a geostationary satellite by 40%. In addition to the PPS®1350 product line (1.5-2.5kW), Snecma is developing the PPS®5000 (5kW) family of thrusters to meet propulsion requirements for future generations of all-electric satellites (no longer requiring chemical propulsion systems). Both Airbus Defence and Space and Thales Alenia Space France have already chosen the PPS®5000 for their platforms. * Total impulse is the product of the thrust and the time over which it is applied. About Snecma Follow @Snecma on twitter Snecma is part of Safran, an international high-technology group with three core businesses: aerospace, defence and security. Snecma designs, builds and sells propulsion systems for air and space, including a wide range of commercial engines that are powerful, reliable, economical and environmentally-friendly, led by the global best-seller CFM56 and the new-generation LEAP*. The company also makes world-class military aircraft engines, as well as rocket propulsion systems and equipment for satellites and launch vehicles. Snecma is a leading provider of maintenance, repair and overhaul (MRO) services for civil and military aircraft engines, under the new EngineLife® brand, offering comprehensive support for customers around the world. *CFM56 and LEAP engines are produced and marketed by CFM International, a 50/50 joint company of Snecma (Safran), France and GE of the United States.
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