Inboard motors are generally high-quality, and therefore long-lasting. Since it’s hidden, it does not show, and the boat’s overall appearance is a lot cleaner. The engine is hidden, which keeps it protected from moisture, dust, and water. The biggest advantage of an inboard engine is its drive system. To make it easier for you to understand the inboard motor, here is the detailed look into the limitations and benefits it offers. It can deliver quite high speeds for a lightweight boat. However, it’s gradually making its way thanks to technological advancements. This type of system is not as common as the other two. The principle is followed on a boat, much bigger than a jet ski. When the water comes out forcibly, it pushes the boat. It uses water from under the boat and uses an impeller to create a jet. However, it’s still a type of inboard engine because it’s found inside the boat. This is completely different from the other two types. You can read more about the differences here. As a result, more of the boat is above water, which allows for higher speed. Additionally, it can trim the drive system up. Since the entire drive system can turn left or right, there is no need for a rudder. What makes this system different is that it does not have a rudder. This spinning motion goes to the lower unit, and the unit spins the propeller in a clockwise or counterclockwise rotation. The upper unit is responsible for changing the spinning motion from vertical to horizontal. These two units are essentially the transmission of the engine. This system consists of two parts: the upper unit and the lower unit. The drive system on sterndrive goes through the transom of the boat. This type of inboard engine is placed at the back of the boat. The rudder behind the propeller changes the direction of the boat. The transmission is inside the boat in both the drive systems. The propeller is at the end of the shaft. The transmission on this has V-shape, with the other end of the shaft heading out at the bottom of the boat. The difference is that the shaft is coming out of the front of the engine. The V-Drive is the true inboard placed on the back of the boat. It uses a transmission system that engages the shaft into the water, with the propeller at the end of it. The shaft is coming out the back of the engine. In the D-Drive, the engine is in the middle of the boat. So the two drive systems are D-Drive (Direct Drive) and V-Drive. When we say the system, we mean the drive shaft, propeller, and engine all included. The True Inboard motor or engine uses two types of drive systems. Here are the three types of inboard boat motors: True Inboard Even though boaters use the general term inboard motor for virtually all of them, they are quite different in terms of performance. The distinguishing part between the different inboard motors is the drive system. In order to better compare it with the outboard engine, we have to look at the different types. Even within the inboard category, you have an option to choose from different types. Since it’s on the boat, hence the name inboard motor. This motor is bolted in the middle of the boat or at the back. The boat’s operator uses the drive system to control the boat. The propeller can drive the motor forward or backward. This shaft is essentially part of a drive system that runs the propeller. The motor has a powerhead that is attached to a drive shaft. This is the propeller which runs the boat. Just how your car engine moves the wheels, the inboard motor moves a different type of wheel. Inboard MotorsĪn inboard motor or engine is the one located inside the boat. Hence, deciding on the make, type, and manufacturer of the motor will be important decisions. Furthermore, the weight and the horsepower of the engine holds the same level of importance. When buying a boat, you can start by finding the correct size of the motor that will allow you to maximize your boat’s performance. It’s just like the engine of your car, except it is designed to be suitable for marine conditions. So you can guess how important a motor is for a boat. The motor is what moves the boat on the water. This is because boaters often use the terms interchangeably. It can be confusing at times to determine whether a boat is equipped with a motor or an engine.
Motors are powered by electricity, whereas engines are powered by fuel. The thing is there is no easy way to answer whether the inboard motor is better than the outboard.īoats use engines or motors to run. Their answers, even though conflicted, are not all wrong. If you just walk down your local watering hole and ask some boat owners the same question, you will get multiple answers.
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