Do Boats Have Brakes?
Last Updated on January 12, 2022
Almost all automobiles, at least the ones we mostly use, such as cars and trucks, can easily stop by applying their brakes; however, do boats have brakes? This question has riddled the mind and has had many people new to boating wonder how they can stop their boats almost instantaneously if there are no brakes. If there are brakes, where are they located?
Boats have no brakes but they can be effectively stopped from moving through many means. One of them is to drop the anchor, consequently holding the vessel in place by increasing resistance and drag.
Another is to stop the propeller from running and reversing it to hasten the stop of the boat. You can also hasten your boat stop by steering into the wind or current and bringing down the sails.
In this article, we will answer the question, “Do boats have brakes?” and go a step further by explaining why boats do not have brakes. You will also get to know the ways you can bring your boat to a stop, even without brakes, and understand how the braking system does not work in boats and other marine vessels.
Boats can be really fast when you want them to be and most boat drivers do not have the constant worry of heavy traffic on waterways (active marine communities are an exception) as car drivers do. Therefore, it is not easy for a passenger to notice that the driver does not apply brakes when bringing a boat to a stop.
Did you get the answer already? In case you didn’t, it is no, boats have no brakes. The wide expanse of waterbody offers boats the best and widest road to drive and cruise on. You don’t necessarily have to pull your boat to a stop to avoid colliding with another boat every few feet you travel as in cars. However, you do need to bring your vessel to a stop if you want to alight. How do you do that when boats have no brakes? Also, how do you avoid a collision you have foreseen if you have no brakes?
To really know how boats come to a stop without brakes, you need to understand how brakes work. Using cars as our example, you will notice that when you apply brakes to a moving car, depending on how much force you apply to them, they bring the car to a stop in seconds.
Brakes function by creating friction between a stationary body and a moving part. In this case, the moving part is the car wheels and the stationary part is the brake pads or shoes. The friction, with respect to the road surface, causes the wheel to stop moving. In essence, the road is static, the brake shoes are static and the moving wheels are between them. The force applied to the brakes engages the brake’s shoes increasing the friction between them and the wheels, as well as between the wheels and the road surface, bringing the car to a stop.
For a boat, there are no moving wheels, and there is no static road surface. Water is not static, therefore getting friction that will stop a boat, assuming they have wheels is impossible.
On the water, because the nature of water is fluid and it has viscosity, braking as it is conventionally known does not work. Instead, what we have on the water is drag and resistance. A boat moves on the water with the aid of thrust provided by the propeller. You will find the propeller at the stern of the ship. The thrust it provides moves the hull, partially submerged, through the water. The contact of the hull with water particles, while moving, generates a viscous drag and this is a function of the viscosity of the water, the wetted surface area of the ship, and the square of the boat’s velocity. Let’s not go into calculations.
Since what brings a moving object to a stop is an increase in the drag force, a boat can be stopped by increasing the viscous drag that exists between the hull and the water.
There are different ways to increase the viscous drag between the hull, consequently bringing a boat to a stop. However, it should be noted that it may take some time before the stop happens, as these do not have instantaneous effects on the vessel speed.
The thrust of a boat is brought about by the propeller. Once the propeller blade kicks into action, thrust pushes the boat forward and in a particular direction. However, the direction of the boat can be changed by steering the sails around. You can stop the boat by moving the propeller in the opposite direction from which it has produced the thrust. Usually, you should combine this action with changing the course or direction of the boat.
The combination of actions reduces the velocity of the boat and the resistance of the boat becomes impossible for the thrust to move forward anymore. However, this way of braking a boat takes some seconds to hold.
An anchor is a way of adding resistance to your vessel. Using this method to stop a boat entails having a rough idea of how much time it will take for your boat to come to a stop. While your boat is cruising at a constant velocity, drop down the anchor and turn off the propeller, to reduce the velocity. The increased resistance helps your boat to come to a stop sooner.
The wetted surface of your boat, usually brought about by the hull, increases the viscous drag that the boat experiences on the water. Increasing the surface area of your boat’s wetted surface will further increase the viscous drag and when velocity is reduced, your boat can easily cruise to a stop.
Some boats employ stabilizer fins to increase the wetted surface area of the boat.
Boats don’t have brakes, that is the direct answer to the question, “Do boats have brakes?” However, boats can easily be brought to a stop by employing any of the three methods highlighted above. Note that they do not have an instantaneous effect and require that the boat driver have a good judgment of distance in relation to the velocity of the vessel.