Pursue a job in a field you’re passionate about. Students learn the skills necessary to diagnose and service these major parts. ![]() 7Ĭourses cover a range of topics to give you the foundational knowledge employers are looking for, includingĪn overview on a range of boat engines. 1 Marine Mechanics Institute (MMI) offers a 51-week Marine Technician Specialist training program that could give you the experience and education you need for the industry. If you love being around boats and being on the water, a career as a marine technician could be something to consider. Lowest initial cost, though they might have higher emissions and decreased fuel economy compared with the other two delivery systems. Carbureted fuel systems typically offer the Electronic fuel-injection systems offer uniform air and fuel distribution and high throttle response and power. There are three main types of fuel delivery systems on the market for gasoline engines: direct fuel injection, electronic fuel injection and carbureted fuel systems.ĭirect fuel-injection engines offer benefits that include low emissions and good fuel economy. Matching your engine as close as possible to the maximum horsepower your boat The weight estimate should include all gear, passengers and fuel you plan to have on board. Two of the biggest factors to consider when choosing an engine for your boat are size and fuel delivery systems: Boat Sizeīefore choosing an engine, the weight and size of your boat should be considered. Also, there are no exposed propeller blades. Jet-drive systems provide high performance and work best in shallow water. The impeller, which is located beneath the boat, forces water through a small nozzle out the back, which generates thrust. To make this happen, an engine drives an impeller, which is similar to a propeller, but sharper. These systems utilize water to both propel and steer the boat. Jet-drive engines are primarily associated for use with personal watercraft, but many boats also feature jet-drive propulsion systems. Sterndrives can be beneficial for applications where more horsepower and torque are needed, as well as agility while maneuvering and docking. Sterndrives turn like outboard engines to direct the propeller and turn the boat. Like outboard engines, this drive unit is used to steer the boat. They’re attached through the transom to aĭrive unit that resembles the lower gearcase portion of an outboard. Sterndrives utilize an engine that is mounted on the inside of the hull for power. They are also used on vessels where more horsepower and torque are needed.Īlso known as inboard/outboards, sterndrive engines have the features and benefits of both outboard and inboard engines. Inboard engines are often the choice for boats that are going to be used with water sports, since they create a predictable wave that wakeboarders love. Steering is controlled by a rudder thatĭirects the flow of water as it passes and allows the operator to maneuver the boat with a steering wheel. The propeller is turned by the propeller shaft, which runs through the bottom of the boat and exits near the transom (back of the boat). Inboard engines are mounted inside the hull at midships (middle of the boat). ![]() Outboards are versatile and commonly used for fishing, water sports and pleasure boating. The engine propeller and gear case are underwater during use, giving the boat the ability to plane quickly and be very agile while turning and docking. Smaller boats allow the engine to be steered manually using a hand tiller, while larger vessels are equipped with steering This means the entire engine needs to be able to move side to side while steering, as well as up and down for trimming and trailering. This part - you guessed it - is mounted to the back of the boat and hangs outside the hull. ![]() Outboard EnginesĪn outboard engine, also known as an outboard motor, is a unit containing the engine, gearbox and propeller. There are several marine engine and propulsion systems out there, but the four main types are: outboard, inboard, sterndrive and jet drive. A dealer or trained technician should be able to answer specific technical questions, but a foundational knowledge of what your options are can make a big difference. When choosing a boat and engine, it’s good to know the basic types of engine and propulsion systems to help with your decision. This article highlights the differences and key attributes that set them apart. There are several boat engine and propulsion systems available. It’s an important part to consider when thinking about how the boat will be used. If you own a boat or just love the water, one of the most important parts of any boat is the engine.
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