You can mount several pods and control them with a joystick. You have better speed, handling, and fuel efficiency. You’ll see it most often on newer yachts. The technology is still relatively new, though. They transfer engine power to thrust and forgo the shaft set up of other engines.Ī pod drive is not very cost effective. You can have one pod or several mounted below the boat. In this set up, the gearbox and drive are mounted right under the boat in the water. Pod drives are far less popular than the other engine types we have discussed. These improve on the propeller shaft tech of old for commercial and recreational boats alike. Newer types of boat propulsion system techniques are out there. In an effort to maximize fuel economy, steering control, technology is always growing. Overall, though, they perform better than an outboard. That leaves them more susceptible to damage. There are more working parts here than on an outboard. Like the other boat engine types, these can be a hassle to repair. You’ll find them on larger boats far more often than an outboard. Since they run essentially the same way, more serious boaters prefer them. They can be more powerful than an outboard or inboard as well. And with less mechanical parts outside of the boat on the back, these are popular choices. That means you’re getting some reliable power. The engine portion of a sterndrive is similar to automobile engines. In a way, it’s like having half an outboard mounted on the back of the boat. But it also has an outdrive unit mounted below the transom. A sterndrive engine has the drive unit mounted inboard. For that reason, a stern drive engine is also called I/O or inboard/outboard. Put inboard and outboard together and you get stern drive engines. But maintenance for this kind of engine is harder. The straight shaft configuration also offers an efficient transfer of power. It also means you can fish or swim off the back of the boat more easily. Wake surfers and water skiers are safer when you have this kind of engine. The benefit of an inboard engine is that it’s not in your way. Inboard motors run on gasoline or diesel fuel as well. The main difference is just where the engine is located. Functionally, these are both very similar to an outboard. That can cause the stern to rise up a little bit. It also weighs down the back of the boat. Because of the extra step, a V-drive is usually not as powerful as a straight shaft. The transmission has to redirect backwards to a shorter shaft out of the boat. It allows you to have more interior cabin space. The shaft extends out of the engine through the bottom of the boat. In this setup, you have a rear facing engine. The straight shaft will take up more room but is pretty reliable. Your boat can either have a V-drive inboard or a straight drive shaft. Typically, inboard boats are over 26 feet long.
You’re likely to see these in large vessels because they have the space to accommodate it. There will also be a rudder in place behind the propeller to allow for steering. They are within the hull and a driveshaft connects to the propellers under the boat at the rear. Like the name suggests, this type of engine is mounted inside the boat itself. As battery technology improves, so will these engines.
However, just as with cars, there are electric motors also available. You can also find diesel engines and ones that run on mixes of gas and oil. Traditionally, outboard motors run on gasoline. Something that size could have you racing across the water. On the other hand, you can also get a 600 horsepower V12 outboard. A small outboard can be more than enough to power a fishing boat. In terms of function, outboard motors can come in a wide array of sizes. They are also economical when it comes to fuel use. They can run very quietly and provide great power. But modern outboards are a whole new breed. Back in the day, they were noisy as all get out. Typically, you’ll see this mounted right on the transom of a boat. The propeller thrust moves the boat forward. The engine rotates a shaft that spins the propeller. It can be removed from a boat entirely if need be. An outboard motor is designed to swivel to provide reliable steering. It’s everything you need to make your boat move. It contains the entire engine, a gearbox, and the propeller. An outboard engine is a self-contained external motor unit. This is one of the most common propulsion systems. Let’s take a look at the basic kinds of boat propulsion available. Some are faster and more efficient than others. Some boats obviously need more powerful motors than others. Boat propulsion depends on a number of factors. Not only is the purpose different, and the look, but how it moves. Anyone can look at an aluminum fishing boat and a yacht and know that they are not the same.
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