From Swiss Maker ETH Zurich, the Naro-Tartaruga is a turtle-inspired aquatic machine designed to transport cargo and swim efficiently.
In its current design phase, the autonomous robot is a cylindrical aluminum vessel with flippers with a top speed of about seven knots, making it significantly faster than any real-life sea turtle.
The torso houses the battery, sensors and other components required for autonomous function and each fin has three actuators that allow for three-dimensional movement in the water.
The main goal of the Naro-Tartaruga project is to determine if flapping fins provide a more efficient swimming mechanism than traditional propeller design. If it wins, it could provide a model for future generations of underwater autonomous vehicles.
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The Naro-Tartaruga is an Efficient Aquatic Automaton
By: Wes Walcott - Published: Oct 8, 2012 • References: engadget