World’s first aerospike aircraft to fly this month after crash setback

Polaris Spaceplanes MIRA II and III, looking pretty slick and awaiting install of their four turbine engines as well as the AS-1 LOX/kerosene aerospike engine

The world’s first flight test for an aerospike rocket engine ended in disaster, but Polaris Aerospace is back on track, preparing to fly two new prototypes for its MIRA supersonic/hypersonic aerospike spaceplane platform within weeks.

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Continue reading World’s first aerospike aircraft to fly this month after crash setback

Groundbreaking spaceplane crashes before world-first aerospike rocket test

The MIRA I, from German aerospace startup Polaris Raumflugzeuge, was traveling at approximately 105 mph (169 km/h) during takeoff when a “landing gear steering reaction” plus a side wind caused a “hard landing event,” rendering the space plane inoperab… Continue reading Groundbreaking spaceplane crashes before world-first aerospike rocket test

DARPA nails latest US hypersonic missile test flight

A DARPA-led project has successfully completed the final test of Lockheed Martin’s Hypersonic Air-breathing Weapon Concept (HAWC) missile. Powered by an Aerojet Rocketdyne scramjet, the craft reached a speed in excess of Mach 5 over a course of 300 nm … Continue reading DARPA nails latest US hypersonic missile test flight

NASA’s SLS rocket engine completes successful hot-fire test

NASA finally got the core stage of its Space Launch System (SLS) rocket up and running for the first time today, completing an eight-minute hot-fire test of its four RS025 engines at the space agency’s Stennis Space Center near Bay St. Louis, Mississip… Continue reading NASA’s SLS rocket engine completes successful hot-fire test

Aerojet Rocketdyne hypersonic scramjet engine sets new thrust record

Aerojet Rocketdyne and the US Air Force Research Laboratory (AFRL) have achieved a new record thrust output from a scramjet engine, providing a boost for hypersonic flight. A year of ground testing saw the engine generate 13,000 lb of thrust with over … Continue reading Aerojet Rocketdyne hypersonic scramjet engine sets new thrust record