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France's waterway network of nearly 5,000 miles is based primarily on its rivers, but many of the low-capacity canals are being raised to the 1,350-ton standard. A major development planned in the 1970s in cooperation with West Germany was the construction to this standard of the North Sea-Mediterranean waterway via the canalized Rh

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Why won't they raise the Titanic?

If the pulled it up, it would crumble to pieces. It is too big and too deep. The Titanic had a gross weight of 46,000 tons, or 92 million pounds. There are no cranes or winches capable of handling those kinds of weights. The ship is very deep, too deep for divers to work. It is below the water, which means you have to build 'land' above the ship to put the cranes and winches on. And the water moves with waves, wind and storms. +++ You are probably right about Titanic being too big to lift but sunken vessels are sometimes lifted by a combination of buoyancy tanks and crane-barges. You do not need land, just a sufficiently large crane-barge and floating-dock! Besides, why do you want to raise her? Leave her in peace, as a grave.


Why did the Titanic not implode with the pressure at that depth?

What type of pressure. Steam engines operate on high-pressure water vapor, that is steam, the higher the pressure- in lay terms, the more work one can get out of the steam- hence greater power, she had two multiple expansion reciprocating engines of outsize nature- naturally, and one turbine running on exhaust steam and only in forward gear- overdrive of sorts. This does not count engines used on cranes, steam winches, the power-steering gear, and numerous other auxiliaries- there was a separate engine plant for what were called ( electricity engines) steam generators to supply electric power for all domestic appliances ( including elevators, hoists, etc and of course lighting. The pressures involved would vary, Marine engineers being conservative blokes, but anything from l50-maybe 300 Pounds per square inch might be used, more during speed trials, a good question.


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