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Jun 28, 2016

What They Are — Pros & Cons

Need some freedom to move?

A bow thruster is simply a propulsion device located at the bow that provides lateral (port and starboard) thrust, making the vessel more maneuverable. Bow thrusters often come as standard equipment on newer pleasure boats over 45 feet, but almost any midsize vessel can be retrofitted. The benefits of having a bow thruster are many, particularly for boaters who must routinely deal with gusty winds, strong currents, or crowded docking spaces. Maneuvering in tight areas is much easier, as a thruster allows the operator to turn the vessel to port or starboard without forward motion. This is particularly helpful with high-windage powerboats or sailing vessels with long, full keels.

Another benefit is the greater level of independence and confidence a thruster can offer, both to beginner and experienced boaters alike. Novice operators are more likely to actually get underway in more challenging conditions, while experienced captains can expand their options (sailing solo, for example) with greater safety. In both cases, installing a bow thruster is like recruiting a trusted crew member, one that's always ready to lend a hand when pushing (or fending) off from a dock. A wireless control unit adds more convenience, allowing you to move around the boat while controlling the thruster. Imagine picking up that mooring ball with minimal effort (and shouting) or boarding without having to pull on a single dockline, bringing the boat to you with the push of a button.

As a final plus, you're also likely to enjoy a financial benefit when it's time to sell. Having a bow thruster will make your boat more attractive than similar boats on the market. This is particularly true for new or less experienced boat owners, who may not be comfortable handling larger boats in less-than-ideal conditions. And unlike other major upgrades such as engines or generators, most buyers don't care when a bow thruster was installed, as long as it works.

While the benefits of having a bow thruster installed are numerous, so, too, are the concerns with installing them. The first is cost. Although this will vary widely among the different makes, models, and styles (traditional tube units versus externally mounted ones, for example), you can expect purchase and installation of even the smallest, most economical unit to be around $5,000.

In lockstep with the above is the complexity of your particular installation. What's the best location? Will that water tank under the V-berth have to be shifted aft or relocated altogether? How powerful should it be? Will the extra weight in the bow affect performance? Will the installation void my hull warranty? All of these are valid concerns you'll want to research and review when considering any installation.

Finally, while thrusters are certainly helpful, they do not excuse you from mastering basic boat handling skills. You'll still need to know how to maneuver your boat in a wide range of conditions should your extra "crew member" ever go on strike.