摘要 |
An unshrouded rotor blade 24 comprising an aerofoil 28, said aerofoil 28 having a leading edge 34, a trailing edge 36, a pressure surface 30 and a suction surface 32, there being provided at a radially outer extremity of the aerofoil 28 a gutter 40 which is wider than the aerofoil 28 adjacent the trailing edge 36 thereof, wherein at least a part of the gutter 40 is offset towards the aerofoil pressure surface 30.
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