Video of Firefly’s Lightning Engine Hot Fire

Video Caption: In a demo for a crowd of people from Austin’s South by Southwest festival, Firefly Aerospace fired its “Lightning” engine at 10 percent thrust for about a minute. The engine design will propel the second stage of the company’s “Firefly Alpha” rocket into space as early as 2019. The full vehicle will be capable of sending some 2,200 pounds into orbit for about $10 million.

  • Michael Halpern

    They used a lot of TEA TEB to start that thing for its size