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posted by Maverick
Wed, Jun 18 2008

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Handley Page Halifax Mk.III, R9534 in prototype form, fitted with Hercules VI engines. She was tested by the Aeroplane and Armament Experimental Establishment (A&AEE) at Boscombe Down in December 1942. Here it was found that the engine's 'gills' caused drag resulting in disappointing climb rates.