Category Archives: Aircraft Propulsion & Energy

Northwest UAV Debuts the NW-44 Multi-Fuel Engine on Elbit’s Skylark 3 Hybrid

Northwest UAV has announced a collaborative and long-term effort with Elbit Systems as part of the Skylark 3 Hybrid team. As a result of this team effort, the Elbit Systems Skylark 3, equipped with the proven Northwest UAV NW-44 Multi- Fuel Engine, was presented for the first time at the Singapore Airshow last month. Continue reading

Pratt & Whitney to Develop Advanced Engine for Air Force Research Laboratory

The U.S. Air Force Research Laboratory (AFRL) has awarded Pratt & Whitney, a Raytheon Technologies business, a contract for a ground test demonstration program for a novel architecture using a rotating engine detonation concept to be jointly executed by Pratt & Whitney, Raytheon Missiles & Defense, and Raytheon Technologies Research Center. Continue reading

Hydraulic Hybrid Multicopter Can Fly Up to 900 km

Edinburgh’s Flowcopter is developing long-range heavy-lift drones to help helicopter operators optimize freight, surveying, and search & rescue operations. The heavy-lift drones will run aviation-certified combustion engines that will drive digital displacement pumps – designed for harsh environments – providing control bandwidth to fly. Continue reading

Amprius Technologies Ships First Commercially Available 450 Wh/Kg, 1150 Wh/L Batteries

 Amprius Technologies, Inc., a supplier of Silicon Anode Li-Ion battery cells with its Si-Nanowire platform, announced the shipment of the first commercially available 450 Wh/kg, 1150 Wh/L lithium-ion battery cells to an industry leader* of a new generation of High-Altitude Pseudo Satellites (HAPS). Continue reading