This Day in Aviation History
August 3rd, 1954
First free flight of the Rolls-Royce Thrust Measuring Rig.

The Rolls-Royce Thrust Measuring Rig (TMR) was a pioneering vertical take-off and landing aircraft developed by Rolls-Royce in the 1950s. The TMR used two Nene turbojet engines mounted back-to-back horizontally within a steel framework, raised upon four legs with castors for wheels. The TMR had no lifting surfaces (wings, blades, etc.) and was understandably nicknamed the Flying Bedstead…..

Wikipedia, Rolls-Royce Thrust Measuring Rig:

YouTube, The Flying Bedstead 1954:

Further Reading:

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