In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and piston design, replacing it with a simple, single-chamber design and a thick, ...

As it looks to bring its operational readiness into the 21st century, the American military is trying to revamp all aspects of its existence, from the tools it uses to wage war to the procedures it ...

Free-piston engine generators and linear machines represent an innovative departure from conventional rotary systems, offering high thermal efficiency and operational flexibility by eliminating the ...