Hermeus completed what it said was a major test of a new-design engine, bringing the startup one step closer to building reusable hypersonic aircraft. During a series of tests at the Notre Dame ...

A jet engine is any engine that can propel an aircraft of some kind via rearward expulsion of a jet of fluid, typically a hot exhaust gas that the engine generates by drawing in fuel from the ...

Add Yahoo as a preferred source to see more of our stories on Google. China has tested a powerful engine that can carry weapons at remarkable speeds through both air and water. The novel engine ...

The Army is working with defense giant Raytheon to develop a 155mm ramjet-assisted long-range artillery round capable of nailing targets at ranges of up to 60 miles (100 kilometers) away, the company ...

U.S. Navy engineers at the Naval Air Warfare Center Weapons Division recently designed and flew a prototype ramjet missile in just six months. The engineers not only met their deadline, they flew the ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

Normal US artillery has a range of 20-30 kilometers (12-18 miles) but new ramjet artillery will be able to reach 150 kilometers. The weapons will be able to farther, faster and higher. 150 kilometers ...

Atlanta company Hermeus has its sights set on Mach 4 next year, to beat the Mach 3.3 benchmark set by the SR-71 Blackbird way back in 1976. Watch its Chimera hybrid engine nailing the switch between ...

Northrop Grumman has carried out successful ground tests of a Solid Fuel RamJet (SFRJ) tactical engine that the company is developing for the US Army. Part of the Army's XM1155 Extended-Range ...

In Poul Anderson’s 1970 novel Tau Zero, a starship crew seeks to travel to the star Beta Virginis in hopes of colonizing a new planet. The ship’s mode of propulsion was a so-called “Bussard ramjet,” ...