Despite the inherent issues of tip-jets, many tip-jet helicopter types have been built (or seriously considered), including ...

Work on the Phantom II began in the early 1950s, a time when jet aviation was rapidly evolving and the U.S. Navy was seeking a new aircraft to replace its aging fighter fleet ... The Phantom saw ...

Exemplifying ‘the best car in the world’ for a century, the flagship of the Rolls-Royce range has been offered in eight generations ...

Compensations increased with Kazakhstan from 2.917 mln bpd to 3.203 mln bpd and declined with Russia at the same time to 10,000 bpd ...