Wikibooks: Sailing/Extras

• Format: Book
• Language: English
• Subjects: Arctic; Canada; Indian; Pacific
• Online Access: https://en.wikibooks.org/wiki/Sailing/Extras

=Current use= Today most people enjoy sailing as a recreational activity. Recreational sailing can be further divided into racing cruising and daysailing or dinghy sailing. There are many production sailboats available and several of these manufactured models have ownership associations such as the Islander 36 association. =History= Throughout history sailing has been instrumental in the development of civilization. The earliest representation of a ship under sail appears on an Egyptian vase from about 3500 B.C. Casson Lionel. 1971. Ships and Seamanship in the Ancient World Advances in sailing technology from the Middle Ages onward enabled Arab Chinese Indian and European explorers to make longer voyages into regions with extreme weather and climatic conditions. Improvements were made in the design of sails masts and rigging and navigational equipment became more sophisticated. From the 15th century onwards European ships went further north stayed longer on the Grand Banks and in the Gulf of St. Lawrence and eventually began to explore the Pacific Northwest and the Western Arctic. Transportation and Maps in the art of the boat is sofa an online exhibition of Canadian historical art at Library and Archives Canada =Introduction= A sailing vessel moves forward because of the reaction to the inertia of moving air on its sails. Since the dawn of history this vital technology has afforded mankind greater mobility and capacity for fishing trade and warfare. From moving the stones of the great pyramids from Aswan to Giza to allowing man to migrate throughout Polynesia to Nelson s defeat of the French and Spanish navies at the Battle of Trafalgar mankind s history has been intertwined with this seemingly simple technology. =The physics of sailing= The energy that drives a sailboat is harnessed by manipulating the relative movement of wind and water speed if there is no difference in movement such as on a calm day or when the wind and water current are moving in the same direction at the same speed there is no energy to ...