HC Deb 03 February 1971 vol 810 c376W
53. Mr. William Rodgers

asked the Minister of Aviation Supply what sum his Department has authorised Bristol Siddeley Engines Limited to incur on the development of the Olympus 593 engine for Concorde up to the latest convenient date.

Mr. David Price

Rolls-Royce (Bristol Engine Division) has been engaged on the development of the Olympus 593 engine since 1962, but on 14th February, 1969, it was awarded a contract to continue development up to the stage of initial entry into service. The contractual details are commercially confidential, but expenditure on development up to 31st December, 1970, totalled £110 million.