Rolls-Royce Soar

Soar
Rolls-Royce Soar on display at the Rolls-Royce Heritage Trust, Derby
Type Turbojet
Manufacturer Rolls-Royce Limited
First run January 1953
Developed into Rolls-Royce RB108

The Rolls-Royce RB.93 Soar, also given the Ministry of Supply designation RSr., was a small, expendable British axial-flow turbojet intended for the UB.109T cruise missile use and built by Rolls-Royce Limited in the 1950s and 1960s. Like all the company's gas turbine engines it was named after a British river, in this case, the River Soar. It was also produced under license in the US as the Westinghouse J81.

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