how a block of ice was able to sink ”the unsinkable”

How did a ship believed to be “unsinkable” sink after hitting an iceberg on the night of April 14 to 15, 1912, in the Atlantic Ocean? How did the White Star Line’s British ocean liner, endowed with unequaled technology for its time, sink on its maiden voyage between Southampton and New York?

110 years after the sinking of the Titanic, which claimed the lives of more than 1,500 people out of the 2,200 on board, several questions about the precise circumstances of the tragedy still remain unanswered. This Thursday evening, France 5 offers to see or review a 50-minute documentary, made in 2018, which tries to unlock the sunken secrets of this behemoth of 47,000 tons and 269 meters, the length of 25 buses placed end to end!

A breach of 64 meters in the hull

Was it human error? A flaw in the design of the boat? How could a simple block of ice have managed to sink the safest, largest and most luxurious ocean liner of its time? How could he have opened a gap of about 64 meters in his armor?

A mystery that tormented Professor Claude Daley, a specialist in ocean and naval architectural engineering, to the point that he invented a collision simulator in the laboratory to measure, with a similar force, the impact of ice on a steel plate. similar to that of the hull. But on the first try, the 2 centimeter thick sheet remains intact! Thanks to various tests then carried out with Captain Chris Hearn, in charge of an ultra-sophisticated navigation simulator, it will be shown that the angle of the impact played a key role in the tragedy.

Excessive speed?

In addition, the (excessive?) speed during the collision (estimated at 22 knots, i.e. 40 km/h), the simultaneous damage to several hermetic compartments (at least five) or even the overconfidence of the crew , although warned of the presence of icebergs shortly before the disaster, will be mentioned during the program. The fascinating investigation will be based on stunning 3D animations and impressive computer graphics, which will dismantle, piece by piece, the theories such as the carcass of the imposing wreck, still resting off the coast of the island of Newfoundland, by 3821 meters deep.

”Titanic, autopsy of a shipwreck”, directed by Olio Sloane, 50 minutes, in ”Science grand format”, this Thursday April 14 from 9 p.m. on France 5.

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