Stratolaunch lifts the veil on PGA rocket engine

Stratolaunch PGA rocket engine

An artist’s conception shows Stratolaunch’s PGA rocket engine. (Stratolaunch Illustration)

The name of Stratolaunch Systems’ home-grown rocket engine leaves no doubt about who’s footing the bill: It’s called the PGA, as in Microsoft co-founder Paul G. Allen.

Stratolaunch has made glancing references to its in-house propulsion system development program over the past few months — for example, in its announcement about the full line of rocket-powered vehicles intended for midflight launch from its super-jumbo airplane, or in its proposed roadmap for hypersonic flight tests.

But the PGA rocket engine took center stage today in a report from Aviation Week and in a series of photos released by the Stratolaunch team.

Get the full story on GeekWire.

About Alan Boyle

Aerospace and science editor for GeekWire, creator of Cosmic Log, author of "The Case for Pluto: How a Little Planet Made a Big Difference," president of the Council for the Advancement of Science Writing. Check out "About Alan Boyle" for more fun facts.
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