The Journal of Space Commerce

The Journal of Space Commerce

VORTEX Engine Product Line Expanded by Sierra Space

Tom Patton's avatar
Tom Patton
Apr 10, 2023
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Sierra Space has completed hot-fire testing of a new VORTEX engine as it looks to expand the product line. The VORTEX VRM1500-H engine produces 1,500 pounds of force (lbf) thrust and achieved high thrust efficiency during recent testing.

“This recent successful hot-fire test program brings us one step closer to another dynamic addition to our family of e…

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