weather helm

简明释义

防止船首迎风转的压舵

英英释义

例句

1.To counteract the weather helm, we adjusted the sail trim and added a bit of weight to the stern.

为了抵消风头，我们调整了帆的修整，并在船尾增加了一些重量。

2.If you notice excessive weather helm, it might be time to reevaluate your rigging setup.

如果你注意到过多的风头，可能是时候重新评估你的装配设置了。

3.When sailing upwind, the boat tends to exhibit weather helm, which means it wants to turn into the wind.

当迎风航行时，船只往往表现出风头，这意味着它想要转向风口。

4.The design of the hull can significantly influence the amount of weather helm experienced during a sail.

船体的设计可以显著影响航行时经历的风头程度。

5.A strong weather helm can make steering difficult and require constant attention from the helmsman.

强烈的风头会使操舵变得困难，并需要舵手持续关注。

作文

Understanding the concept of weather helm is crucial for anyone interested in sailing or navigating a boat. The term refers to a condition where a sailing vessel's bow turns away from the wind when it encounters strong winds. This phenomenon can be both beneficial and challenging for sailors, depending on the situation. To grasp the implications of weather helm, one must first understand the basic principles of sailing and how a sailboat interacts with wind forces.When a sailboat is sailing, the wind fills the sails, creating lift and propelling the boat forward. However, as the wind speed increases, the dynamics change. A boat that experiences weather helm tends to steer itself into the wind, which can make it more difficult to control. This happens because the center of effort (the point where the wind pushes on the sails) moves forward relative to the center of lateral resistance (the point where the water pushes against the hull). When this shift occurs, the stern of the boat is pushed downwind, causing the bow to turn into the wind.Sailors often encounter weather helm during strong gusts or when sailing upwind. It is a natural response of the boat to seek the wind, but it can lead to a loss of control if not managed properly. For instance, if a sailor does not adjust the sails or rudder in response to weather helm, the boat may round up uncontrollably, potentially leading to capsizing or other dangerous situations.To counteract weather helm, sailors can take several measures. One common approach is to reduce the amount of sail area exposed to the wind. This can be achieved by reefing the sails or using smaller sails designed for high-wind conditions. Additionally, adjusting the trim of the sails can help balance the forces acting on the boat, allowing for better control and stability.Understanding weather helm also involves recognizing its opposite condition, known as 'lee helm.' While weather helm causes the boat to turn into the wind, lee helm causes the boat to turn away from the wind. This can result in a lack of responsiveness and can make it difficult to steer the vessel effectively. Sailors must strive for a balanced helm, where the boat maintains a straight course without excessive turning in either direction.In conclusion, mastering the concept of weather helm is essential for safe and effective sailing. By understanding how wind forces interact with a sailboat, sailors can make informed decisions about sail adjustments and steering techniques. Whether navigating through calm waters or battling strong winds, awareness of weather helm can significantly enhance a sailor's ability to manage their vessel and ensure a smooth journey on the water.

理解weather helm这一概念对于任何对航海或驾驶船只感兴趣的人来说都是至关重要的。这个术语指的是在强风中，帆船的船头会转向远离风的条件。这种现象对水手来说既有益处，也可能是挑战，具体取决于情况。要理解weather helm的含义，首先必须了解航海的基本原理以及帆船如何与风力相互作用。当帆船航行时，风充满了帆，产生升力并推动船只向前。然而，随着风速的增加，动态会发生变化。经历weather helm的船只倾向于自行转向风，这可能使控制变得更加困难。这是因为作用中心（风对帆施加的点）相对于横向阻力中心（水对船体施加的点）向前移动。当这种变化发生时，船尾被推向下风，导致船头转向风中。水手通常在强阵风或迎风航行时会遇到weather helm。这是船只寻求风的自然反应，但如果管理不当，可能会导致失控。例如，如果水手未能根据weather helm调整帆或舵，船只可能会失控地转向，最终可能导致翻船或其他危险情况。为了抵消weather helm，水手可以采取几种措施。一种常见的方法是减少暴露在风中的帆面积。这可以通过缩帆或使用专为大风条件设计的小帆来实现。此外，调整帆的修剪可以帮助平衡作用在船上的力量，从而允许更好的控制和稳定性。理解weather helm还涉及认识到其相对的条件，称为“lee helm”。而weather helm使船只转向风中，lee helm则使船只转向远离风。这可能导致缺乏响应能力，使有效操纵船只变得困难。水手必须努力保持平衡的舵，确保船只在不向任一方向过度转动的情况下保持直线航行。总之，掌握weather helm的概念对于安全有效的航海至关重要。通过理解风力如何与帆船相互作用，水手可以就帆的调整和驾驶技巧做出明智的决定。无论是在平静的水域航行还是在强风中作战，对weather helm的意识都能显著增强水手管理船只的能力，确保水上旅程的顺利进行。