Gilmour’s main hybrid rocket engine, Sirius, will power the first and second stages of the Eris rocket to orbit. Four Sirius hybrid rocket motors will power the first stage. A single Sirius ...
has successfully achieved ignition of its ‘VDR2’ engine. VDR2 offers a single engine solution from Mach 0 to Mach 6. This marks the first successful Rocket-Based Combined Cycle test. The engine ...