Makkah Clock

Makkah Clock is a clock has been created over the House Towers complex in Mecca, west of Saudi Arabia, an increase of 601 meters to be the biggest clock in the world has been run in the month of Ramadan in 1431 experimentally,
Said Prince Khaled Al-Faisal, Emir of Mecca in 13-3-2008 that Saudi Arabia's King Abdullah bin Abdul Aziz ordered the establishment of Makkah Clock Tower at the top of the fifth stop of the project of King Abdul Aziz in Mecca at an altitude of about 601 meters, in order to be seen and heard from all sides , and from a distance of up to 13 km. Where the dimensions of the one-hour Mecca 43 meters wide in the 43-meter rise also topped with the word of God from all four sides.
Been manufacturing time by engineers and makers from Germany, Switzerland and other European countries and oversees the clock and numbers Romania on an area of the city of Mecca with a radius of 8 kilometers as you can see it and the distance they represent a unique architectural masterpiece.
Consists time of four interfaces, have been installed on the walls at the exits of light from the laser issued a light beam in different occasions, Kaloaaad Add to light signals the time of prayer and each sends the light of the sky just as the clock protection system integrated against natural factors of dust and wind and rain. Each engine weighs in on time more than 21 tons, and the solar panels to generate electricity to run the engines time, time is also linked to the electricity grid for the public Mecca, to provide additional electrical card. The interface for each of the four facades time an engine of its own, with a match between them at the time, linked by the timing of Mecca, which takes information from five high-precision atomic clocks constitute the main part of the center of the timing of Mecca.
The dimensions of the one-hour Mecca 43 meters wide at 43 meters height. The height of the clock tower about 250 meters, begins to rise built 350 meters above the ground at the top of the tower number 5 of the draft, "King Abdulaziz Endowment of the Two Holy Mosques" (Towers House), bringing the total height of Mecca hour to 601 meters. I covered the unique time in more than 98 million pieces of colored glass mosaic, in addition to more than two million units of the type of LED light for the purpose of lighting, covered with 430 square meters of carbon fiber developed. As has been the development of a mixture of bronze according to property fit the industry gears have been pouring a mixture Bronze manner continuous casting and then cut to the required size, are then formed roughly in accordance with the standards final which is still at a temperature of 50 ° C, and during the process of forming up machines to measure the accuracy of + / mm 3, and then be adjusted with high precision gears when parts are scaled in its final form. It also is monitoring all stages of work with electronic measuring manufacturing to ensure the accuracy of every part of the time on the unit. The series consists gears gears and teeth of the gears bronze confrontation with steel-reinforced specially Despite its large size, but the gears are Tashagaha within the chain gears varying up to 0.01 mm only, and contributes to the high accuracy of the clutch to make the moving parts moving with minimal friction.
The Crescent is located on top of the time the largest in the world, with a diameter of 23 meters and the length of a character thousand located in the word "God is great" in the top time of more than 23 meters. Are calling for prayer from the top hour Mecca by the most powerful audio system of its kind ever, and are lit during Athan 21,000 units of light white and green are used to enhance the visibility across the Mecca region, where it is lighting 24 rod moving, and 800 rod fixed.

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