Smithsonian: Robert Goddard and the “Hoopskirt” Rocket
From the Smithsonian National Air & Space Museum / YouTube page:
Dr. Michael Neufeld, curator in the Space History Division at the National Air and Space Museum, discusses Robert Goddard and his “hoopskirt” rocket. This informal gallery talk was recorded on October 27, 2010 as part of the National Air and Space Museum’s “Ask an Expert” lecture series.