Tests using heavy fuel are under way for an aluminium nutating engine that could deliver the power density that the US military requires from its internal combustion powerplants. A nutating engine ...

NASA GLENN RESEARCH CENTER, OHIO - An Army Research Laboratory-supported technology, the Nutating Engine, won a prestigious Silver Award at the annual World's Best Technology Showcase in Arlington, ...

The U.S. Air Force is bankrolling development of a pistonless internal combustion engine that would provide unmanned aerial vehicles with more power and greater torque in a smaller, lighter package.

An internal combustion engine for unmanned air vehicles that uses a disk rather than pistons is undergoing bench testing. The project aims to develop a 16.3kg (36lb) powerplant that generates 77hp ...