Darpa (Defense Advanced Research Projects Agency) has now awarded prime contracts to all four participating companies to begin Phase 1 development for the agency’s VTOL X-Plane program. Boeing and Karem Aircraft received contracts this week, to join Aurora Flight Sciences and Sikorsky. While all four have submitted proposals for unmanned vehicles, the technology that is to be developed has equal application to manned VTOL aircraft.
Lockheed Martin’s Skunk Works advanced development unit is building an unmanned vertical takeoff and landing (VTOL) air vehicle under a U.S. Defense Advanced Research Projects Agency (DARPA) program to demonstrate a cargo UAV capable of carrying interchangeable mission payloads.
Carolina GSE (Booth No. C7621) now serves as the exclusive corporate and FBO distributor in the U.S. and other territories for JBT AeroTech, the manufacturer of 400-Hz diesel and electric ground power units, preconditioned air units and 28.5 VDC rectifiers, the New Bern, N.C. ground support equipment supplier announced here.
Cessna has selected Innovative Power Solutions to provide power conversion for the new Citation CJ4 business jet. The custom-designed 125 amp, 3.75 kilowatt transformer rectifier unit (TRU) will provide full-rated DC output power at wide AC input frequency range down to 200Hz. The TRU chosen for the CJ4 expands on the IPS power conversion product portfolio, which includes the regulated transformer rectifier unit (RTRU).
The Eldec division of Crane Aerospace & Electronics (Hall 4 Stand G20) is showing an example of what it reckons is the ideal means of reconciling a growing demand for more powerful on-board electrical equipment with new restrictions on the effect individual loads can have on the aircraft power supply.