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Viewing 9811 to 9840 of 10229
2008-06-30
Article
When the need for fastening strength and reliability are accompanied by a desire for quick assembly and convenient access, one may consider the use of time-tested quarter-turn fastening solutions, commonly referred to as DZUS fasteners manufactured by Southco.
2008-06-30
Article
Often an integrated circuit based on an older design is more valuable to satellite designers than a newer one. Imagine the consternation several years ago when Actel Corp. discontinued production of a pair of field-programmable gate arrays that have seen widespread acceptance in commercial and military satellites. All the major manufacturers let BAE know that they’d have a ready market if they were willing to restart the production line.
2008-06-30
Article
The new EC-630PP (PP for pallet pool) horizontal machining center from Haas Automation Inc. was one of the company’s highlighted products at the recent Westec show, where the company’s sprawling display was front and center. The company says the machine tool dramatically expands the production capability of its EC series of horizontal machining centers (HMCs).
2008-06-30
Article
If mandatory safety systems fail, they can cause significant disruption to an airline with subsequent repair costs, loss of revenue, and possibly loss of customer confidence. To avoid this, maintenance generally has to be rigorous—but there are exceptions and STG Aerospace’s SafTGlo photoluminescent (PL) floorpath marking system is one of them.
2008-06-30
Article
Breaking the mold is the USAF’s newest X-plane, the Advanced Composite Cargo Aircraft (ACCA). Lockheed Martin will build the ACCA, which will be based on a Fairchild Dornier 328J regional jet that will have its aluminum mid/aft fuselage and empennage replaced by sections built of advanced composites.
2008-06-30
Article
SAE International has formed a new committee, E-1, to address all facets of how the aerospace industry responds to environmental requirements contained “in rules, regulations, and law.”
2008-06-30
Article
The design and development of more fuel-efficient and lower-emissions aircraft that can still meet commercial criteria, offer longer range, and provide more in-flight services including wireless Internet, video, and telephony services is an enduring requirement for airliner programs. To help achieve this, a new software application to support the design and validation of fiber-optic cable harnesses has been announced by Trace Technologies.
2008-06-30
Article
In December 2006, the concept plane was purely that—an idea that was casually discussed among managers and designers. Epic Aircraft of Bend, OR, had manufactured several single-engine turboprops and twin-engine jet models, but a plane with just a single jet had never been attempted. At Christmas, the one-engine jet was merely a subject of conversation; in July, the Victory prototype took off for its first successful test flight.
2008-06-30
Article
Purdue University engineers are conducting experiments using a hydrogen facility that became operational in 2007 to help NASA create designs to improve the cooling efficiency and performance of the J-2X rocket engine, which will be used for future missions to Mars and the moon.
2008-06-30
Article
Several Alcoa-developed high-performance alloys and products produced from its worldwide operations are being used on China’s first home-produced regional jet, the ARJ21-700.
2008-06-30
Article
Testing is under way at the U.S. Air Force Arnold Engineering Development Center’s (AEDC) National Full-scale Aerodynamics complex (NFAC) on a full-scale helicopter rotor system for a U.S. DOD customer. This marks the first test at the wind-tunnel complex at Moffett Field, CA, since it was reactivated to full operational capability.
2008-06-30
Article
Orbital Sciences Corp. and Aerojet recently conducted a test firing of the jettison motor, a key component of the Launch Abort System (LAS) for NASA’s Orion next-generation human spaceflight program. This successful firing marked the first full-scale rocket propulsion test for the Orion program.
2008-06-30
Article
Friction stir welding (FSW) allows the welding of all-aluminum alloys of interest with good seam properties and with thicknesses from 0.3 to 50 mm or even more, according to a recent research project. The use of FSW instead of automated riveting can lead to a 20% reduction in process time and costs, researchers involved in the project say.
2008-06-30
Article
Bosch Rexroth is supplying the hydraulic systems to operate the 16 platforms required for two wing jigs for the Airbus A400M multi-role military transport. The aircraft’s wing boxes are 23 m long and 4 m wide, and each has a mass of 3 t. They are believed to be the largest carbon-fiber-reinforced plastic composite wings ever made.
2008-06-30
Article
AgustaWestland recently held a grand-opening ceremony for its new AW139 medium twin helicopter assembly line in Philadelphia. The event underlined the company’s growing presence in the U.S. and the expansion of its Philadelphia complex, which in addition to the AW139 assembly is also responsible for AW119 Ke production and support of the expanding fleet of AgustaWestland helicopters in North and South America.
2008-06-30
Article
The SA2 machine is the latest in the Low Voltage Electromagnet Riveter (LVER) family of automated fastening equipment from Electroimpact, and it is being used on the Airbus A320 aircraft.
2008-06-30
Article
SAE International has adopted ARP4418A, an aerospace recommended practice that provides guidance to measure contaminant levels in engine bleed air used in aircraft environmental control systems.
2008-06-30
Article
The FAA has approved a regulation that requires cockpit voice recorders (CVRs) to retain the last two hours of conversation. As part of the regulation, the FAA is imposing additional requirements related to CVRs and digital flight data recorders (DFDRs).
2008-06-30
Article
To accelerate its processes for ground vibration testing, EADS-CASA recently implemented LMS Test.Lab, a complete software solution for test-based engineering combining high-speed multi-channel data acquisition with a suite of integrated testing, analysis, and report generation tools.
2008-06-30
Article
Eclipse Aviation says its Eclipse 500 was built upon the principle of a total product lifecycle management approach combining mechanical, electronic, electrical, and manufacturing disciplines. The integration of subsystems into a final wire harness was key, this being the “living neurological system” of the aircraft, controlling all electrical and electronic signals to all essential systems.
2008-06-30
Article
he use of alternative, environmentally compatible power sources for aircraft is moving ahead cautiously. Although full details have not been released, Airbus has confirmed that it had successfully flight-tested a fuel-cell system in an A320 to power backup hydraulic and electric power systems.
2008-06-30
Article
3-D woven preforms offer a low-cost method of manufacturing composites with high through-thickness thermal conductivity without an attendant loss of strength or stiffness.
2008-06-30
Article
With a surface composed of tightly packed nanostructures that resemble tiny nails, thus the term “nanonails,” University of Wisconsin–Madison engineers and their colleagues from Bell Laboratories have created a material that can repel almost any liquid. But with a jolt of electricity, the liquid on the surface slips past the heads of the nanonails and spreads out between their shanks, wetting the surface completely.
2008-06-30
Article
Lufthansa Technik is responsible for keeping the Lufthansa fleet in shape. It was facing a huge challenge due to required fuselage inspections of all Boeing 737s prescribed by Boeing as a consequence of the “Aloha” accident in 1998.
2008-06-30
Article
When a new aerospace material is being developed, the companies or organizations involved must always consider the tooling that will be necessary to see it into production. Belgian tooling specialist Elsyca claims that its newly announced tooling design service for companies involved in coating and plating parts­ can provide up to a 30% reduction in lead times, a 20% reduction in materials wastage, and a 10% reduction in manpower.
2008-06-30
Article
Sandvik Coromant’s cooling system for high-pressure coolant applications solves chip removal and swarf control problems, supports higher speed cutting data, and increases productivity.
2008-06-30
Article
Vought Aircraft Industries has secured another contract to supply Sikorsky Aircraft Corp. with Black Hawk helicopter cabin structures. Under the preceding contract with Sikorsky, assembly work on the cabin structure for the newest Black Hawk variant, the UH-60M, began last year at Vought’s 5.4 million-ft2 Jefferson Street plant in Dallas, where it also builds tail sections, wings, and other major components for a variety of aircraft makers.
2008-06-30
Article
The Hexagon Loxham Precision Laboratory, a new facility designed for leading-edge ultra precision research, has been opened at Cranfield University in the U.K. Cranfield has strong links with aerospace technology, and the laboratory will aid significant research into the manufacture of mirrors for the NASA James Webb Space Telescope and will also help scientists develop technologies for finding Earth-like planets and forms of life in space.
2008-06-30
Article
Cessna unveiled a proof-of-concept of a light sport aircraft (LSA) in July 2006 and announced one year later that it would proceed with development of the aircraft, which was named the SkyCatcher. The aluminum aircraft is being designed to meet American Society for Testing and Materials (ASTM) standard F2245 for the light sport category.
2008-06-30
Article
For the average person, what constitutes a hot day is subjective. The same with a cold day. For aerospace engineers, though, it’s not subjective—and there’s a new SAE standard to prove it. The S-15 Gas Turbine Performance Simulation Nomenclature and Interfaces Committee recently published ARP210, “Definition of Commonly Used Day Types (Atmospheric Ambient Temperature Characteristics Versus Pressure Altitude).”
Viewing 9811 to 9840 of 10229