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Updated: May 28, 2025
A twelve-inch breech-loading gun, fifty calibers long and weighing eighty-three tons, will propel a shell weighing eight hundred and eighty pounds, by a powder charge of six hundred and twenty-four pounds, at a velocity of over two thousand six hundred and twenty feet per second, giving an energy at the muzzle of over forty thousand foot-tons and is capable of penetrating at the muzzle, forty-five inches of iron.
And yet the explanation is simple enough: the Titanic struck the berg with a force of impact of over a million foot-tons; her plates were less than an inch thick, and they must have been cut through as a knife cuts paper: there would be no need to list; it would have been better if she had listed and thrown us out on the floor, for it would have been an indication that our plates were strong enough to offer, at any rate, some resistance to the blow, and we might all have been safe to-day.
There is nothing especially picturesque or religious looking, nothing, at least, that could be put in a stained-glass window in Frederick Taylor's tables and charts and diagrams of the number of foot-tons a pig-iron handler can lift with his arms in a day.
The conditions of flight and pursuit obtaining at the Dogger Bank emphasized the importance of speed and long range fire. The chief superiority of the larger ordnance therefore lay in their heavier bursting charges and greater striking energy, 12,800 foot-tons to 8,900 foot-tons.
A torpedo-boat, receiving the full attention of her quick-fire battery, could be disintegrated and sunk in a yeasty froth raised by the rain of projectiles long before she could come within range of torpedo action; while a simultaneous discharge of all guns would distribute over seven thousand pounds of metal with foot-tons of energy sufficient to lift the ship herself high out of water.
Tom's hope was that this big blast would show such pressure in foot-tons, and give such muzzle velocity to the projectile, and at the same time such penetrating power, that he would be justified in taking it as the basis of his explosive, and using it in the big gun he intended to make. The preliminaries had been completed.
The unit of nominal horse-power being 33,000 foot-pounds or about fifteen foot-tons per minute, it is evident that each buoy, at its maximum, would be capable of giving about 120 horse-power.
I think that while Christ would not have understood Frederick Taylor's technique, his tables of figures or foot-tons or logarithms he would have understood Frederick Taylor. Nearly all the time that could be said to have been spent in his life in dealing with other men he spent in doing for them on a nobler scale the thing that Frederick Taylor did.
This problem gets more and more acute as he gets older. The amount of work necessary to keep the man of sedentary habits in good condition is about 100 to 150 foot-tons. Five hundred foot-tons is the amount of work a soldier would perform by marching twenty miles at three miles an hour on a level road. It is a fallacy to think that sufficient exercise can be taken once a week.
If I wanted to take a spiritual census of modern civilization and get at the actual scientific facts, what we would have to call, probably the foot-tons of religion in the world to-day, I would not look for them in the year-books of the churches, I would get them by going about in the great department stores, by moving among the men and women in them day after day, and standing by and looking on invisibly.
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