![]() ![]() This is an important tool if your boat won’t plane. When the boat is on plane, the skipper can pitch the bow up and down to adjust for the boat’s loading and sea conditions. The outboard also tilts on the bracket so that the thrust from the propeller can help trim the boat. This is an important concept to get a feel for, especially when docking in close quarters. This is called vectored thrust, meaning that you can’t turn the boat if the propellers aren’t turning. So on this type of boat, the helm controls where the propeller thrust is pointed. The outboard pivots on its bracket to steer the boat. Most of them nowadays have brackets that extend behind the transom low to the water where the outboard is mounted. The boat must be designed from the ground up to accept an outboard. Outboard engines are mounted on a bracket that attaches to the boat’s transom. Moreover, boat makers are designing go-fast boats that can mount four or more of these engines! Today, the most powerful outboards make more than 600 horsepower. Outboards have traditionally ranged in size from 2 to 250 horsepower, but manufacturers are squeezing more and more horsepower out of these motors. The propeller is connected to the gearbox. The engine is mounted vertically on a drive shaft, which connects to a lower gearbox under water. They are built from the ground up to be mounted on the back of a boat, from their special mounting brackets, integrated steering controls, and water-resistant exterior cases.Īn outboard motor isn’t different from other motors you might be familiar with, be it a small gasoline two-stroke from your lawn mower or six-cylinder, four-stroke car engines like in your Honda Accord. Outboard motors are the most common type of motor on small vessels these days. ![]()
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