Troy was inspired by The Adventures of Tintin comic Red Rackham's Treasure ( French: Le Trésor de Rackham le Rouge) in which Tintin uses a shark-like submarine as part of his search for the titular treasure. Based on the behavior, Cousteau said it appeared Troy was accepted as a dominant female by other great white sharks, but added that he was hesitant to say the behavior proved the sharks saw the submarine as a shark. These behaviors were observed only in the presence of the shark, not with free divers. They stayed about 23 to 29 feet (7.0 to 8.8 m) away from it, the length of an adult shark, and rolled their eyes, puffed their gills, and changed directions in response to it. "By better understanding them we can take one more step towards eliminating the demon image we have created in our minds." Īfter some initial apprehension, sharks appeared to view Troy as another shark. to witness what sharks do amongst themselves naturally", Cousteau remarked. Troy thus allowed Cousteau to observe the animal in more natural way. Normally, sharks' behavior is affected by the attempts to observe them, with chumming and shark cages leading to footage of aggressive, open mouthed sharks that does not represent their natural behavior. Due, in part, to simultaneous documentary filming, overtime payments accumulated and the vessel ended up costing $200,000. After a year of trial and error in Paul's workshop and pool, the submarine was finally ready for open water testing. Originally Troy had a $100,000 budget and two-month time frame. The pilot had a video monitor showing him what was going on outside the shark. An infrared camera was hidden in a suckerfish attached to the shark's body. Originally, cameras were positioned in the shark's eyes but the resulting images were too "disconcerting to try to make sense of" in real time, so the camera was moved to the top of the shark's head, disguised as a fish. Troy had three cameras to film its surroundings. Depth was controlled by three inflatable buoyancy bags. The submarine could move forward at up to 5 knots, but was unable to react quickly. Its tail functioned as a rudder and was powered by compressed air. The eyes could roll, the gills puffed, and the mouth opened and closed to enable shark-like communication. Troy was designed to move in a shark-like manner using a series of joysticks to control speed, direction, and pitch. Scars and epoxy teeth were added for realism. The spine was made out of flexible plastic. Under that was a layer of bullet-proof Lexan and 2-inch-thick (5.1 cm) steel "ribs" to allow the submarine to survive a shark attack. The "skin" was sewn together on the top and held together with Velcro on the bottom. Troy was covered in SkinFlex fabric combined with glass and sand to make it look and feel like shark skin. To prevent air bubbles leaving the vessel, spent air was redirected into two empty tanks. To breathe, Cousteau carried full diving gear weighing about 80 pounds (36 kg), providing about 6.5 hours of air. A wet sub, Troy was filled with water while operating. The submarine had space for one person, Cousteau, who piloted the vehicle while lying on his stomach, propped up on his elbows. Industries so that Cousteau could observe and film sharks in their natural habitat without chumming the water. It was created by oceanographer Fabien Cousteau and engineer Eddie Paul's E.P. It's like having a face on your back, but a lot less weird and gross.Troy was a 14-foot-long (4.3 m), 1,200-pound (540 kg) submarine designed to look like a great white shark. With thousands of unique designs to choose from, printed for you when you order, your backpack helps you express your personality no matter which direction you’re pointing. And speaking of pockets, every backpack you buy puts money in an artist's pocket. Whether you need a cute, fashionable daypack for your next travel adventure, or a cool rucksack to go from the office to the gym, these spacious backpacks include adjustable padded shoulder straps, an internal laptop pocket, and an exterior mesh side pocket. Now some more geniuses (the independent artists on Redbubble) are creating and selling original designs to elevate the humble backpack from workhorse to showhorse. Then some unknown genius figured out that if you strap a bag onto your back, you double your toting capacity, and leave your hands free to get work done. Until backpacks came along, we only used half of our bodies: the front half. High-quality Blue Shark backpacks designed and sold by independent artists.
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