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AUV Finnegan turning radius illustration.

AUV Finnegan turning radius illustration.
AUV Finnegan turning radius illustration.
AUV Finnegan turning radius illustration.
AUV Finnegan turning radius illustration.
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354108
Cook, John E.
AUV Finnegan turning radius illustration.
Illustration
12/19/2008
FinneganTurn.jpg
Originally drawn for Oceanus online, URL link to article below in appropriate field.
Caption from Oceanus magazine, Vol. 47, No. 1, Pg. 23:
Seals swimming fast at 2.4 meters per second need only one-tenth of their body length to turn completely around, in the face of an oncoming coral reef, for example. Like seals, the robot Finnegan has "flippers" (flapping foils). It can's turn as fast or deftly as a seal, but it is more maneuverable than vehicles such as REMUS, which use conventional screw propellers for propulsion.
Image of The Day caption:
Turtles, dolphins, and seals are masters at maneuvering in the water. So it's no surprise that Stephen Licht, then a graduate student in the MIT/WHOI Joint Program, looked to them for inspiration on how to make the next generation of autonomous underwater vehicles more maneuverable. The result is an underwater vehicle called Finnegan, which has "flippers" (flapping foils). While it can's turn as fast or deftly as a seal, it is more maneuverable than vehicles that use conventional screw propellers for propulsion.
Illustration by Jack Cook
© Woods Hole Oceanographic Institution
http://www.whoi.edu/oceanus/viewArticle.do?id=54066&sectionid=1020
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