keel造句怎么写

If the centerboard is weighted, then it also provides weight low in the water, like a keel, to help keep the boat upright (although not as much weight as a fixed keel can supply).

The keel helps the boat resist the leeward force of the wind and provides stability against excessive heeling.

All of these help keep your body's systems on an even keel, better able to withstand hormonal changes.

But there is a wide range of boats from 12 to about 25 feet with either a fixed keel or a centerboard.

For example, in this photo the boat on the left has a fixed keel, while the boat on the right, of about the same size, has a centerboard.

A keel also provides weight low under the water to lower the boat's center of gravity below the waterline, which is needed so that the boat bobs back upright if knocked over by wind or waves.

A swing keel is usually long, thin, and heavy.

The advantage of a swing keel is that, with the keel raised, the sailboat can go into shallow water and sits lower on a trailer.

Shallow draft centerboard vs. deep fixed keel - trailerable vs. launched by boatyard.

A system used in some trailerable sailboats without a weighted fixed keel.

But I still have plenty to learn about keeping my life on an even keel, as I realized this month.

perennial tropical American vine cultivated for its racemes of showy yellow and purple flowers having the corolla keel coiled like a snail shell; sometimes placed in genus Phaseolus.

She thought she could distinguish her father's castle, and upon it her aged grandmother, with the silver crown on her head, looking through the rushing tide at the keel of the vessel.

If you decide a fixed keel boat is best for your sailing purposes, consider also which type keel best meets your needs.

All sailboats need a keel of board for this reason: the narrow, flat surface of the board or keel produces little drag when the boat moves forward but resists motion sideways.

The cannon were fired, and at night the patrol found him hidden under the keel of a vessel in process of construction; he resisted the galley guards who seized him.

Since usually no shortage of rain, farmers here are not prepared to keel water.

You can read about differences in keel shapes here.

A type of keel on a sailboat that can be raised or lowered from the bottom of the hull.