| 摘要 |
A furling mechanism for a sail (2) of a vertical axis turbine, the furling mechanism comprising: first and second elongate furling spars (8, 10) attachable to first and second edges (4, 6) of the sail (2); wherein each of the first and second furling spars (8, 10) are rotatable about their respective longitudinal axis such that, in use, rotation of the first and/or second furling spar (8, 10) causes the sail (2) to be furled or unfurled. |
