Quad scull

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Quad scull Germany 1982: Martin Winter (front), Uwe Heppner (second), Uwe Mund (third), and Karl-Heinz Bussert (last) Bundesarchiv Bild 183-1982-0819-033, Nationalmannschaft, DDR, Doppelvierer.jpg
Quad scull Germany 1982: Martin Winter (front), Uwe Heppner (second), Uwe Mund (third), and Karl-Heinz Bußert (last)
Quadruple scull typical icon Quadruple (rowing).svg
Quadruple scull typical icon

A quadruple sculling boat, often simply called a quad and abbreviated as a 4x, is a racing shell used in the sport of competitive rowing. It is designed for four people who propel the boat by sculling with two oars, or "sculls", one in each hand.

Racing boats (often called "shells") are long, narrow, and broadly semi-circular in cross-section in order to reduce drag. They usually have a fin towards the rear, to help prevent roll and yaw. Originally made from wood, shells are now almost always made from a composite material (usually carbon-fiber reinforced plastic) for strength and weight advantages. The riggers in sculling apply the forces symmetrically to each side of the boat. Quad sculls is one of the classes recognized by the International Rowing Federation and the Olympics. [1] FISA rules specify minimum weights for each class of boat so that no individual will gain a great advantage from the use of expensive materials or technology.

When there are four rowers in a boat, each with only one sweep oar and rowing on opposite sides, the combination is referred to as a "coxed four" or "coxless four" depending on whether the boat has a cox. In sweep oared racing the rigging means the forces are staggered alternately along the boat. The symmetrical forces in sculling make the boat more efficient and so the quadruple scull is faster than the coxless four. [2]

A 'quad' is different from a 'four' in that a 'quad', or quadruple scull, is composed of four rowers each with two blades, sculling. A 'four' is made up of four rowers each with one oar in hand, sweeping.

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<span class="mw-page-title-main">Rowing (sport)</span> Sport where individuals or teams row boats by oar

Rowing, sometimes called crew in the United States, is the sport of racing boats using oars. It differs from paddling sports in that rowing oars are attached to the boat using oarlocks, while paddles are not connected to the boat. Rowing is divided into two disciplines: sculling and sweep rowing. In sculling, each rower holds two oars—one in each hand, while in sweep rowing each rower holds one oar with both hands. There are several boat classes in which athletes may compete, ranging from single sculls, occupied by one person, to shells with eight rowers and a coxswain, called eights. There are a wide variety of course types and formats of racing, but most elite and championship level racing is conducted on calm water courses 2 kilometres (1.2 mi) long with several lanes marked using buoys.

<span class="mw-page-title-main">Sculling</span> Type of rowing when a rower has two oars

Sculling is the use of oars to propel a boat by moving them through the water on both sides of the craft, or moving one oar over the stern. A long, narrow boat with sliding seats, rigged with two oars per rower may be referred to as a scull, its oars may be referred to as sculls and a person rowing it referred to as sculler.

<span class="mw-page-title-main">Rowing at the Summer Olympics</span> Pinnacle event in rowing

Rowing at the Summer Olympics has been part of the competition since its debut in the 1900 Summer Olympics. Rowing was on the program at the 1896 Summer Olympics but was cancelled due to bad weather. Only men were allowed to compete until the women's events were introduced at the 1976 Summer Olympics in Montreal which gave national federations the incentive to support women's events and catalysed growth in women's rowing. Lightweight rowing events were introduced to the games in 1996. Qualifying for the rowing events is under the jurisdiction of the World Rowing Federation. World Rowing predates the modern Olympics and was the first international sport federation to join the modern Olympic movement.

<span class="mw-page-title-main">Racing shell</span> Rowing boat designed for sport

In watercraft, a racing shell is an extremely narrow, and often comparatively long, rowing boat specifically designed for racing or exercise. It is outfitted with long oars, outriggers to hold the oarlocks away from the boat, and sliding seats. The boat's long length and semicircular cross-section reduce drag to a minimum. This makes the boat both fast and unstable. It must be balanced by the rowers to avoid tipping. Being able to balance – or "set" – the boat while putting maximum effort into the oars is therefore an essential skill of sport rowing.

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<span class="mw-page-title-main">Oar (sport rowing)</span>

In rowing, oars are used to propel the boat. Oars differ from paddles in that they use a fixed or sliding fulcrum, an oarlock or rowlock attached to the side of the boat, to transfer power from the handle to the blade, rather than using the athlete's shoulders or hands as the pivot-point as in canoeing and kayaking.

<span class="mw-page-title-main">Coxless pair</span> Boat class used in competitive rowing

A coxless pair, abbreviated as a 2- and also known as a straight pair, is a racing shell used in the sport of competitive rowing. It is designed for two rowers, who propel the boat with sweep oars.

<span class="mw-page-title-main">Single scull</span> Type of rowing boat

A single scull, abbreviated as a 1x, is a racing shell designed for a single person who propels the boat with two oars, one in each hand.

<span class="mw-page-title-main">Double scull</span> Type of boat used in competitive rowing

A double scull, also abbreviated as a 2x, is a rowing boat used in the sport of competitive rowing. It is designed for two persons who propel the boat by sculling with two oars each, one in each hand.

<span class="mw-page-title-main">Coxed four</span> Boat class used in competitive rowing

A coxed four, abbreviated as a 4+, is a racing shell used in the sport of competitive rowing. It is designed for four persons who propel the boat with sweep oars and is steered by a coxswain.

<span class="mw-page-title-main">Coxless four</span> Boat class used in competitive rowing

A coxless four, abbreviated as a 4- and also called a straight four, is a racing shell used in the sport of competitive rowing. It is designed for four persons who propel the boat with sweep oars, without a coxswain.

<span class="mw-page-title-main">Coxed pair</span> Boat class used in competitive rowing

A coxed pair, abbreviated as a 2+, is a racing shell used in the sport of competitive rowing. It is designed for two persons who propel the boat with sweep oars and is steered by a coxswain (cox).

<span class="mw-page-title-main">Eight (rowing)</span> Boat class used in competitive rowing

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<span class="mw-page-title-main">Sweep rowing</span>

Sweep rowing is one of two disciplines of the sport of rowing. In sweep rowing each rower has one oar, usually held with both hands. As each rower has only one oar, the rowers have to be paired so that there is an oar on each side of the boat. In the United Kingdom, rowing generally refers to sweep rowing only. The term pulling was also used historically. In the other rowing discipline, sculling, each rower holds two oars, one in each hand.

<span class="mw-page-title-main">Octuple scull</span>

An octuple sculling shell, often simply called an oct and abbreviated as an 8x or 8x+, is a racing shell used in the sport of rowing.

<span class="mw-page-title-main">Human-powered watercraft</span>

Human-powered watercraft are watercraft propelled by human power.

<span class="mw-page-title-main">Rowing at the 2016 Summer Olympics</span>

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<span class="mw-page-title-main">Rowing at the 2020 Summer Olympics</span> Rowing events at the 2020 Summer Olympics

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<span class="mw-page-title-main">Stern sculling</span> Rowing technique

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