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RNLI inshore rescue boat during Falmouth Lifeboat Day, August 2006. A rigid inflatable boat (RIB), also rigid-hull inflatable boat or rigid-hulled inflatable boat (RHIB), is a lightweight but high-performance and high-capacity boat constructed with a rigid hull bottom joined to side-forming air tubes that are inflated with air to a high pressure so as to give the sides resilient rigidity along ...
The vessel is 100 feet (30 m) long, while its beam is 50 feet (15 m) allowing for relatively normal initial stability coefficient of 2:1. Its draft fluctuates more than a traditional ship, but at half load it is 8 inches (200 mm) at the bow and 16 inches (410 mm) at the stern. Because of the ship's limited draft and inflatable hulls it is able ...
Pedals are attached to a crank and propelled in circles, or to a treadle and reciprocated, [citation needed] with the feet. The collected power is then transferred to the water with a paddle wheel, flippers, [8] [9] [10] or to the air or water with a propeller. Pedaled craft include: Amphibious cycle; Hydrocycle; Pedal-powered kayak [8] [9] [10]
An inflatable boat is a lightweight boat constructed with its sides and bow made of flexible tubes containing pressurised gas. For smaller boats, the floor and hull are often flexible, while for boats longer than 3 metres (9.8 ft), the floor typically consists of three to five rigid plywood or aluminium sheets fixed between the tubes, but not ...
An Ultra Light Displacement Boat (or ULDB) is a term used to refer to a modern form of sailboat watercraft with limited displacement relative to the hull size (waterline length). Principally manufactured from the mid 1970s through mid 1980s, these boats generally sit higher in the water allowing them to move faster in nearly all water types ...
Sportboat hulls have many elements in common with skiffs such as an almost flat bottom, a fine bow and a flat aft section - in short, a planing hull form.. This very efficient, low-drag shape, combined with the large, powerful rig and sail design and the light weight construction of most sports boats is what gives them their significant speed advantage over traditional designs.