A fluid powered electricity generator 20 comprises a housing 22 defining inlets 24a - 24d and an outlet 26. A rotor 28 is rotatably mounted in the housing 22 and defines radially extending blades 30 spaced around the circumference of the rotor, the housing inlets 24a - 24d being arranged such that the flow of fluid approaching the rotor 28 is substantially tangential thereto. An energy convertor, such as a dynamo (34, Fig. 3), is linked to the rotor 28 for converting the rotational energy of the rotor into electricity. The generator (20) may be placed in a stream or river in conjunction with a dam, weir or intake chute (12, Fig. 1) or may be mounted in the keel or rudder of a boat. IMAGE
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