| 摘要 |
The present invention relates to a novel and non-obvious propulsion system for watercraft, especially, but not limited to, watercraft less than about 50 feet in length propulsion system of the present invention provides a system that is less prone to being impeded by debris, water plants and the like; less likely to cause motor stalling or motor over heating if said propulsion system does become clogged or impeded and is designed to provide increased thrust resulting in, for example, more efficient operation.
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