HC Deb 22 May 1972 vol 837 cc245-6W
40. Mr. Rost

asked the Secretary of State for Trade and Industry what progress Rolls-Royce is making on research and development for the more powerful version of the RB211 which will be needed to power the longer range Tri-Star now being developed by Lockheed.

Mr. Michael Heseltine

Rolls Royce (1971) Ltd. carried out some research work in order to prepare the proposals for funding an up-rated RB211 which it recently sent me; and is continuing with similar work pending a decision.

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