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Information about Hydrofoils
Devices & Hardware

Published on October 1, 2014

Author: michaelquiel

Source: slideshare.net



1. Hydrofoils Michael Quiel

2. Hydrofoils  The owner/president of Legend Advisory Corporation since 2001, Michael Quiel brings more than two decades of investment experience to his position as managing partner of the Scottsdale, Arizona, company’s Asset Opportunity Master Fund. Outside the office, Michael Quiel enjoys a wide range of recreational activities, including golf, snow skiing, and water sports, especially hydrofoiling.

3. Hydrofoils  Strictly speaking, a hydrofoil is a structure that looks like a wing that is attached to the hull of a boat and is submerged while the boat is at rest. As the boat increases speed, the hydrofoil develops sufficient lift to raise the entire hull out of the water, significantly decreasing hull drag and further increasing the boat’s speed. Both the wing-like structures and the boats that employ them are called hydrofoils.

4. Hydrofoils  The first hydrofoil boat was designed and built in 1906 by Italian inventor Enrico Forlanini. It used a series of foils in a ladder-like configuration to lift the hull from the water. Forlanini’s boat achieved speeds in excess of 42 mph. In 1919, an adaptation of Forlanini’s boat, designed by Alexander Graham Bell and built by Casey Baldwin, set a record of 60 knots, or about 69 mph, a record that stood for more than 40 years.

5. Hydrofoils  Many of the world’s navies have developed hydrofoils for military use, and research by the U.S. Navy and Boeing led to the jetfoil employed by the patrol hydrofoil missile ship, the predecessor to the immensely popular jetski. While most hydrofoils are designed to work with a motor to develop the necessary speed, developers have experimented with human-powered hydrofoils, the first successful models of which appeared in Germany in the 1950s. These craft, most of which look like water-based bicycles, are currently impractical as anything but a novelty. Nevertheless, designers are still hard at work trying to build one that will catch on with the general public.

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