Race to the bottom of the ocean: DOER

DOER Marine say its not about coming first in a race, but creating a sub that will benefit science. This team, backed by Google's Eric Schmidt, wants the Deep Search submersible to open up the oceans to researchers, from the surface to their deepest point.
Click to see the inside of the sub
Click to see the outside of the sub
  • 90 minutes to reach the bottom
  • 2-3 maximum crew
  • 8-12 hours typical dive time
  • 72 hours air supply
  • Length: 11.6m (38ft)
    Width: 2.4m (7ft 10in)
    Height: 2.4m (7ft 10in)

Pressure hull

Liz Taylor from DOER Marine explains why they are using a life-size model of their pressure hull for their submarine.

Liz Taylor, from DOER Marine, explains why the company has built a life-size model of the Deep Search submersible's pressure hull.

Tough glass

Liz Taylor, from DOER Marine, explains why glass is a crucial material in the Deep Search submersible.

DOER Marine's Liz Taylor explains why glass is a crucial material in their Deep Search submarine.

Robot arm

Liz Taylor, from DOER Marine, explains why robotic arms are essential for their Deep Search submarine.

Robotic arms are essential for taking samples in the deepest part of the ocean, says Liz Taylor.

Sink or float

Liz Taylor, from DOER Marine, explains why ceramics are the key to making a submarine that can sink or float.

Liz Taylor explains why ceramics are the key to making the sub sink or float.

Design challenge

Liz Taylor, who runs DOER Marine, explains the factors that have driven the design of the Deep Search submersible.

It has taken the company some time to come up with the final design for their sub, as Liz Taylor explains.

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DOER Marine, which is based in San Francisco, is a marine technology company that was set up in 1992.

The team there has been taking a slow and steady approach to getting to the world's deepest spot.

A large donation by Eric Schmidt, the chairman of Google, has been invested in an extensive research and development programme.

And, through a process of peer review, DOER Marine is seeking input from the scientific community so that the vessel will be tailored to their needs.

It is trying to factor in elements that can help researchers, such as a robotic arm that can collect samples.

Liz Taylor, president of DOER Marine, said: "In regard to this race to the deep, our methodology is very different.

"This isn't just a flag-planting exercise, or just to say we've been there and done that - because two guys have already been there and done that.

"We want a craft that can reliably go anywhere in the ocean - be it the deepest point, or anywhere in-between."

With its vessel still at the design stage, DOER Marine says it is some years off making its first dive.

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