Rolls-Royce Eyes Oil-Less Engine, Other Innovative Propulsion Concepts Defense Daily 06/08/2006 Author: Michael Sirak INDIANAPOLIS--Rolls-Royce's LibertyWorks advanced concept shop has divulged a list of novel engine designs that it is pursuing to power the Department of Defense's next-generation missiles, unmanned surveillance aircraft, long-range strike platforms and agile transport planes, according to senior company officials. Among the concepts is a paradigm-shifting aircraft engine that uses magnetic bearings around its core. These bearings form part of the engine's integrated high-speed electrical-power generator for producing the large amounts of power needed to run the aircraft's onboard sensors and even directed-energy weapons. Equally important,...