The first Do31 hovering rig
The first Do31 hovering rig was known as the Control Systems Test Rig and first flew in 1964. It was powered by four Rolls-Royce RB108 lift-jet engines
Picture No
10841737
Media ID
48051058
Size
3027px x 4000px
(982KB)
Credit
© The Royal Aeronautical Society (National Aerospace Library) / Mary Evans Picture Library
Source
Photograph from The Royal Aeronautical Society Archive
Date
1964
