The French company DCNS developed an interesting concept ship which is essentially a stealth submarine which operate very close to the surface of the water. The SMX-25 will be cheaper and easier to build and operate than a conventional submarine ...
Biofuel Rocket Tests Successful
The California based company Flometrics recently completed tests of biodiesel fuel in rockets originally designed for kerosene propulsion. Although the tests did not run the Rocketdyne LR-101 engine at full thrust, results showed a mere four percent degradation in performance ...
HyFly Mach 6 Scramjet Missile Test
Another set of ground testing has been recently completed by the U.S. defense contractor Aerojet for the Hypersonics Flight Demonstration program (HyFly). The program, one of several ramjet/scramjet based programs supported by the Defense Advanced Research Projects Agency (DARPA) has ...
Ramjet Rocket Takes to the Skies
A unique air-breathing rocket built by students from the Technion in Haifa, Israel was launched from a test facility on early May this year. The sleek 3.7 meter (12 foot) Ramtech rocket took to the Israeli skies, reaching a speed ...