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Advantages of the sterndrive system versus inboards include simpler engineering for boatbuilders, eliminating the need for them to design propshaft and rudder systems; ease of trailering and shallow water maneuvering (with the drive trimmed up); also, a significant space savings with the engine mounted all the way aft, freeing up the boat's ...
Basic parts of an outboard motor. An outboard motor is a propulsion system for boats, consisting of a self-contained unit that includes engine, gearbox and propeller or jet drive, designed to be affixed to the outside of the transom. They are the most common motorised method of propelling small watercraft.
Flats boats are often small easily trailerable boats although some may reach up to 23 ft in length [6] or more. They are typically equipped with outboard motors and offer a relatively shallow draft compared to other boats of the same length, to allow for passage over sandbars, oyster beds or other submerged objects or underwater features with less risk of damaging the hull or engine.
Man piloting a jon boat on the Speed River within Idylwild Park. A flat-bottomed boat is a boat with a shallow draft, two-chined hull, which allows it to be used in shallow bodies of water, such as rivers, because it is less likely to ground. The flat hull also makes the boat more stable in calm water, which is good for hunters and anglers ...
Boat building is the design and construction of boats (instead of the larger ships) — and their on-board systems. This includes at minimum the construction of a hull , with any necessary propulsion, mechanical, navigation, safety and other service systems as the craft requires.
A pump-jet, hydrojet, or water jet is a marine system that produces a jet of water for propulsion. The mechanical arrangement may be a ducted propeller ( axial-flow pump ), a centrifugal pump , or a mixed flow pump which is a combination of both centrifugal and axial designs.
Human effort is used through a pole pushing against the bottom of shallow water, or paddles or oars operating in the surface of the water. Wind power is used by sails; Towing is used, either from the land, such as the bank of a canal, with the motive power provided by draught animals, humans or machinery, or one watercraft may tow another.
Nearly 400 Elco PT boats were produced for the U.S. Navy. After experimentation, the first PT boat built in any quantity was the 73-foot type. Later 77-foot and 80-foot types were built. More 80-foot Elco boats were built than any other type of US motor torpedo boat. [18] Lt (jg). Kennedy (right) with crew of PT-109