The Skylon Spaceplane and SABRE Engine
FirstSecondThoughts · Documentary · YouTube title: The Three Rocketeers-2012:BBC-Future of Space trav
Why it's here
Linked in Reaction Engines threads as the story behind the engine, though one commenter is skeptical of the company's funding record.
What it covers
A BBC Four documentary following Alan Bond and Reaction Engines as they pursue the Skylon spaceplane and its SABRE engine. It covers the history from HOTOL and the heat-exchanger breakthrough.