Differentiation from other prehistoric watercraft
The earliest watercraft are considered to have been rafts. These would have been used for voyages … See more

Until the mid-19th century, most boats were made of natural materials, primarily wood, although bark and animal skins were also used. Early boats include the birch bark See more

A boat displaces its weight in water, regardless whether it is made of wood, steel, fiberglass, or even concrete. If weight is added to … See more

Boats can be categorized by their means of propulsion. These divide into:
1. Unpowered. This involves drifting with the tide or a river … See more

The hull is the main, and in some cases only, structural component of a boat. It provides both capacity and buoyancy. The keel is a boat's "backbone", a lengthwise structural member to … See more

The most common means of boat propulsion are as follows:
• Engine
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Since 1998 all new leisure boats and barges built in Europe between 2.5m and 24m must comply with the EU's Recreational Craft … See more