Business Wire

Sierra Space Completes Test Campaign on Next Generation Vortex 35,000 lbf Fuel-Rich LOX LH2 Engine

LOUISVILLE, Colo.--(BUSINESS WIRE)--Sierra Space, a leading commercial space company and defense tech prime that is Building a Platform in Space to Benefit Life on Earth ®, announced today the ...
SpaceNews

U.S. Air Force extends Sierra Space contract for upper stage rocket engine

Sierra Space completed a test campaign on Vortex 35,000 lbf liquid engine designed for upper-stage applications. Credit: Sierra Space WASHINGTON — The U.S. Air Force awarded Sierra Space a $16 million ...
SpaceNews

ORBITEC’s Rocket Engine Soars Above the Mojave Desert

Madison, Wisconsin based Orbital Technologies Corporation (ORBITECTM) has successfully flight-tested its new rocket engine and technologies in Mojave, CA. ORBITEC integrated its Vortex Liquid Rocket ...
Aviation Week

Sierra Space Upper Stage Vortex Engine Moves To Next Phase

Sierra Space’s ambitions to develop an alternative upper stage capability for the U.S. Defense Department have taken another step forward with the award of a $16 million U.S. Air Force Research ...
Australian Broadcasting Corporation

Fake tornado gives energy new twist

Tornadoes could be the next best thing in wind energy say researchers who are developing a machine that makes artificial ones and harnesses their power. The atmospheric vortex engine, an invention by ...