Grace's Guide To British Industrial History

Registered UK Charity (No. 115342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,241 pages of information and 244,492 images on early companies, their products and the people who designed and built them.

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.

Bristol Thor

From Graces Guide
Sept 1956.
1957.
1959. Sectioned Example of a Thor Ramjet.

The Bristol Thor, latterly Bristol Siddeley BS.1009 Thor, was a 16" diameter ramjet engine developed by Bristol Aero Engines (later Bristol Siddeley Engines) for the Bristol Bloodhound anti-aircraft missile.

Although Bristol Aero Engines acquired ramjet technology from the US company Marquardt, the company also put considerable effort into developing the Thor unit, including the construction of a high altitude test plant, with a supersonic test cell, at their Bristol, Patchway site.

The Bloodhound Mk.1 could attain a speed of Mach 2.2, while the Mk.2 was capable of just over Mach 2.7.[1]


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