How Did Water Fountains Work Before Electricity
Versailles Fountains
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This article was initially written by Robert Forest, ASME Young man. This article contains textile published in Mechanical Applied science Mag May 2008. Copyright 2008 American Social club of Mechanical Engineers
Throughout history, rulers accept felt information technology necessary to create tangible displays of their wealth considering wealth bought the ability that impressed allies and intimidated enemies. Nosotros know of numerous examples in the aboriginal earth, most of which have fallen into decay and are at present gone.
An important one that may nevertheless exist seen - and is still overwhelming - is the temple complex at Abu Simbel in Egypt. That was built as the first testify of the pharaoh's might that a delegation from Nubia would run across as information technology paddled n on the Nile and crossed into Egypt. Information technology was built by Rameses Ii during the 13th century B.C.
The wish to impress state visitors who make it by water has examples in modern times. The Peterhof castle congenital in 1714 by Peter the Great of Russian federation was intended to awe state visitors who arrived from the Baltic Sea past canal. Russian federation was looking to the Due west, and the message of the castle was that Russia was powerful and merely as European as any other country on the continent.
The castle also shows that architectural gamesmanship had reached some limit of size and elegance by the 18th century, and another dimension was needed to demonstrate a monarch'southward power to expend unlimited resources for his ain amusement. Numerous elaborate water spraying fountains filled that demand perfectly. Not just were they aesthetically pleasing on palace grounds, but they also were immensely costly.
As impressive as they nevertheless are, Peter'southward fountains were non unique. They were copies of the fountains that had been placed years before by Louis Fourteen at Versailles, a site 12 kilometers southwest of Paris. Louis might exist accused of delusions of grandeur considering he chose to place himself with Apollo, the sun god; for that reason, he is still referred to as the "Sunday King." On the other manus, mayhap his delusion was not total. He had an unusually aware reign, which was also the longest in European history. Sadly, his reign was the starting time of a final refuse.
His fountains were artistic triumphs; conceiving them was, no doubt, a work of genius. And Louis did non have the reward of terrain, which later on allowed Peter to use water brought by gravity from stream-fed reservoirs. Louis had to pump the water mechanically. That he was successful in his effort to use technology for personal aggrandizement was all-time summed up past a sycophant, who remarked that just such a monarch could movement a river to the height of a colina and make it flow.
Information technology may have been paid for by Louis, but it was accomplished by sheer manpower and pump engineering. The hardware was on a far larger scale, but even more primitive, than the outset attempts at a steam-powered pump being fabricated by Thomas Newcomen around the aforementioned time. Louis'due south display of conspicuous consumption did not impress all of the king's peers. The king of Denmark observed, in what was probably an understatement, that the water pumped to the fountains cost equally much equally wine.
H2o for Versailles was taken from the Seine, raised, and distributed by high stone aqueducts and pipes. Pump ability was provided by 14 h2o wheels, each 12 meters in diameter, driving a total of 257 pumps. The most remarkable aspect of this array was that the wheels not just collection directly continued piston pumps just likewise transmitted power 650 meters upwardly a hill and collection other pumps, which relayed water from intermediate sumps at 200 meters.
The means by which power was transmitted to the remote pumps was a striking instance of creature forcefulness-and ignorance technology. It is more interesting than the pumps themselves. In improver to driving the local pumps, the water wheels, by means of a bizarre assortment of levers and bell cranks, provided an oscillating pull to pairs of chains that relayed power upwardly the hill.
Chains were supported at close intervals past centrally pivoted struts mounted on scaffolding. In all, at that place were 20 parallel pairs of chains running to a relay station from where another 13 pairs continued to a station at the height. Almost xx km of chains were involved. This was broken into modules, where chain segments were spaced approximately 4 meters i above the other and supported on spreaders at roughly 5.5-meter intervals.
Numbers are approximate, but this calculates to a total number of supports on the lodge of 2,000. In addition to the central bearings, which held the full weight of the bondage and wooden rocker arms, smaller secondary bearings, top and lesser, linked the arms to the chains. While operating, the array use have resembled a surrealistic, tiresome-motion race up the hill by teams of alpine picket fences - about 4 meters tall, in fact. The assembly was completely exposed to the elements. In view of the forces involved and the clearances between unshielded components, it is probably but too that there was no 17th-century equivalent of OSHA in France.
This entire "Machine" was a product of the nobility and it surfaced occasionally in French history. During the succeeding reign of Louis XV, Madame du Barry complained about the noise it made. Given the land of begetting technology and the number of bearings - something like 2,000 main bearings in the rocker artillery plus another 4,000 superlative and bottom - this is understandable.
The Machine was the creation of people who, like du Barry, lived in a culture isolated from realities like bearing friction and were probably troubled by an occasional squeak. The idea had been sold, if not really conceived, by a nobleman who had high aspirations. He was Baron Arnold de Ville of Liege, who had, on his estate, a pump that could be regarded equally a small-scale, proof-of-concept model. When he arranged a demonstration of a similar pump for the rex, the concept was accepted with royal enthusiasm.
No doubt de Ville won the status he sought, although it's not clear that he actually deserved credit for the finished product. He was, notwithstanding, awarded a life fourth dimension pension and a small chateau on the site of the Motorcar. It was this chateau that was later expanded and given to du Barry past Louis XV. De Ville had an associate, Rennequin Sualem, who is described every bit a "carpenter" and it was this subordinate who did the work, in the same way that the human being who later designed much of the U.S. Capitol edifice was brushed off as a "draftsman."
The machinery by which suction pumps worked had been well explored by the late 1600s, starting with the work of Evangelista Torricelli. Large-chapters pumps were not a novelty. In 1698, Thomas Savery in England was already producing pumps to evacuate water from deep mines. The pumps that drew h2o from the Seine were non particularly interesting from a mod standpoint. They were conventional piston pumps with leather packing and their only striking feature was a very large stroke-to- bore ratio.
The pumps were bundled next to seven of the wheels in two groups of four. The other seven wheels were devoted to powering the remote pumps upward the colina, using the chain and rocker arm organization. The unabridged factory of h2o wheels was installed on the banking concern of the Seine in 1685 and has always been referred to every bit the "Marly Motorcar." The name may derive from the village that stood there, although the structure was large enough to involve the boondocks of Bougival at the river finish and Louveciennes at the elevation. Information technology may refer instead to the Chateau de Marly built past Louis about the same time as the Machine. The Machine is the subject of numerous drawings, both artistic and technical, which survive to this twenty-four hour period.
When operating, the 14 wheels delivered a maximum of five,000 cubic meters of h2o per 24-hour interval to a reservoir 162 meters above the Seine. Assuming that this Car could not have had an overall efficiency of more than than, say, 10 percent, the array of wheels must take produced a maximum power on the order of 1,000 kilowatts. That was an impressive number for 1685, even though the pumps normally operated at but 50 percent of full power due to co-maintenance issues.
The number of workmen involved in construction was staggering. A total of 1,800 men worked for seven years. At that place were enough of them to warrant their own chapel on a site that likewise included two foundries. A dedicated water supply was needed to bring in potable water, the Seine not being drinkable. When the Machine was finished, it required a team of sixty workmen simply to go on it running. Another idea of the magnitude of the undertaking tin be gleaned from a beak of materials that included 850 metric tons of steel and lead, 17,000 tons of atomic number 26, and 85,000 of wood. A commentary on begetting technology is that 12,000 pounds of tallow were required as a lubricant. The unabridged operation toll the equivalent of something between six million and 10 million euros.
Versailles and its fountains were no doubt successful as instruments of international policy. Any strange delegate could non take failed to accept been impressed past the sheer purchasing power of the French regime. That could have meant a lot of soldiers and a lot of armament.
In the finish, such displays were self-destroying; they proved to exist the death warrant for the French monarchy. A hundred years afterwards, during the reign of Louis 16, the French people became saturated with majestic extravagance and a revolution began.
The Chateau de Marly has disappeared. The works of the Car are also gone. The power of monarchs fades - French or Egyptian.
More than than 30 centuries later on Rameses Two, Percy Bysshe Shelley wrote a sonnet that told of meeting a traveler "from an antiquarian land" who had seen crumbling stonework, and he concluded:
And on the pedestal these words appear:
My name is Ozymandias, King of Kings,
Await on my Works, ye Mighty, and despair!
Rulers, feeling the need to intimidate their competitors with architecture, have had an edifice complex since time immemorial.
How Did Water Fountains Work Before Electricity,
Source: https://ethw.org/Versailles_Fountains
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