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Sir Richard Branson is already selling tickets to fly people to the edge of space and now he wants to voyage to the bottom of the deepest oceans. His latest idea, called Virgin Oceanic, is a scientific endeavour rather than a tourist venture. One of its intended destinations is the Mariana Trench in the Pacific Ocean which, at 36,000ft deep, is further down than Mount Everest is high. The craft has been specially constructed to withstand the intense pressure. It has been built from titanium and carbon fibre with a transparent viewing capsule made from a single piece of quartz as glass would simply shatter.
The Virgin Oceanic submarine represents a transformational technological advance in submarine economics and performance. The submarine provides the currently unequalled capability to take humans to any depth in the oceans and to truly explore. It utilises the latest in composite technology and a completely unique flying wing to literally fly within the Ocean environment; creatures living here such as dolphins, whales and rays have shown us this winged approach is the best and most elegant way to range the seas. The submarine is many times less expensive to manufacture and operate than any of its less capable counterparts and is in harmony with its environment. The submarine was originally commissioned by Sir Richard’s close friend and fellow adventurer Steve Fossett who had intended to complete the first solo dive to the depths of the Mariana Trench. Sir Richard intends to finish what his friend started and then go on to help explore and unlock the wonders of the Oceans still unknown to humankind or science. The vehicle is a unique design made from 8,000 pounds of carbon fibre and titanium. The pressure at the bottom of the deepest trench is over 1,000 atmospheres – the quartz dome alone is under 13 million pounds of pressure, the weight of three space shuttles. Designed by Graham Hawkes, it is the only piloted craft in existence that has ‘full ocean depth’ capability. The one person sub has an operating depth of 37,000ft (7 miles) and is capable of operating for 24hrs unaided. Once fully descended, the submarine’s hydroplanes (the equivalent of wings for submarines) and thrusters will allow it to ‘fly’ up to 10km over the ocean floor whilst collecting video and data, something submersibles could only dream of. At these depths, each individual part of the sub must be able to withstand enormous pressures, 1500 times that of an aeroplane, and protect its pilot from the extreme conditions just inches away. As Sir Richard and Chris each pilot the sub to the bottom of our planet, they will be aware that should anything go wrong, there is no rescue team that can reach them; whilst backed up by a mission crew, once at depth, the pilot and craft are alone. Full pressure testing will be conducted over the next three months. The craft will cruise at a max of 3 knots and can dive 350ft per minute. At that speed, a dive to the bottom of the Marianna trench and back is estimated to take about five hours.
i think its great we have people like branson in the world..using his money for real people projects,and being very open about it aswell...
Well before reaching the bottom, the sub will encounter shooting stars of icy blue light. What marine biologist, Dr. Edith Widder (Ocean Research & Conservation Association), describes as “a silent fireworks display”. Dr. Widder is one of the world’s leading authorities on bioluminescence – light that is generated by living creatures. Beyond recording the hypnotic beauty of this phenomenon, she wants to know who is making all that light and why they spend precious energy doing it. How can bioluminescence be used as a tool to determine the distribution of animals in the ocean? And critically, she believes it can be used to monitor the health of marine ecosystems.
Studying the area’s mud volcanoes can also help give us insight into the possibility of using a subduction zone for carbon sequestration. In low-temperature environments the serpentinization of mantle rocks could yield as much CO2 uptake as ~ 1 billion tons/km3 of mantle rock per year. In essence, these dives to the bottom of our world are an unprecedented scientific opportunity—allowing us to better understand everything from how the continents formed to how to protect our home planet and the life forms on it far into the future.
For the first time, the deepest trenches in each of the five oceans will be available for surveying, mapping and sampling from an occupied submersible. No current human-occupied submersibles can dive deeper than 6,500 meters (21,325 feet), so most of the oceans’ trenches have only been explored with robotic vehicles – and some not at all, as availability of these systems is limited. For scientists who study the deepest part of the ocean and the animals that live there, the human presence will provide unprecedented access. Even in the famous Mariana Trench, the deepest in the world, man has only touched down upon its depths once. The single dive by the bathyscaphe Trieste in 1960 with Don Walsh and Jacques Piccard was groundbreaking for its day, but even that great feat allowed access only to a column of water straight down and straight back up. Scientists are excited by the opportunity to have a free-flying submersible that can traverse the bottom of the trench and collect data from a variety of points along the bottom. It’s as if Lewis and Clark had a Cessna to make the first survey of America’s West. Some of the trenches that Virgin Oceanic will explore have never been mapped in detail. Currently, ocean maps are very low resolution (think only 2 zooms on a Google map). Many are created solely based on data gathered from satellites or ship-based systems.
Originally posted by dave43035
can you say.. crushed? i wouldnt want to be the fool who takes the first test ride to depth.. when it gets about 15,000 feet id bet someone says abort abort...! Sub round.. sub not stylish... engineer fail!