| 摘要 |
2111239 9222396 PCTABS00018 The present invention relates to wind powered or assisted craft, particularly hydrofoil craft, which are capable of travelling considerably faster than wind speed over a wide range of wind speeds and directions. The invention has application from single person leisure and sports craft through to large commercial cargo and passenger vessels, although certain aspects of the invention will find application to wind powered or assisted craft or vehicles for use on land and to hydrofoil supported craft in general. Whilst in the case of smaller craft, wind power may provide the sole means of propulsion, in the case of larger craft the provision of auxiliary power sources is likely, as an aid to low-speed man uvring and operation in unfavourable wind conditions. Heavier craft may well require the assistance of such power sources to get through the ''resistance hump'' which is characteristic of hydrofoil craft.
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