Bottom price for A05 High Chrome Sand Blasting to Italy Manufacturers

Bottom price for
 A05 High Chrome Sand Blasting to Italy Manufacturers

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  • In the history of space, one rocket stands out as an icon of not only the space race but of the mighty power it symbolised.

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    At 1:00 there is a spelling mistake showing the payload as 1,1000,000lb this of course should be 1,100,000 lbs.

    That one rocket, which is still the Tallest, heaviest and most powerful ever built, was the Saturn V, which was designed to take men to the moon and later launched the first American Space station, Skylab.
    But if things had been a little different back in the 60’s we might have had a different rocket to hang on the bedroom walls of the space fans of the 70’s and 80’s.
    In the early 1960’s, a rocket was designed which made the Saturn V look small comparison.
    This was the Sea Dragon, a super heavy lift rocket that would have been 10 times more powerful with 80 Million lb’s of thrust compared to the Saturn’s 7.8 million and that was from just one massive engine.
    It was designed to lift a payload of 1,100,000 lbs into orbit, compared to the 310,000 lbs of the Saturn V. This meant it could have lifted an entire space station into Low Earth Orbit in one mission.
    The rocket bell of this single engine would be so large at 75 feet in diameter, that you could fit the entire first stage of a Saturn V with all 5 of its F1 engines inside with room to spare.
    So what happened to the Sea Dragon and why didn’t it get built ?.
    At the time of the design in 1962, it was thought that by the 1970’s, 80’s and beyond, thousands of people would be working in space and on the moon, even on Mars and as such, rockets with huge lifting capabilities would have been in great demand as they would dramatically lower the cost of getting materials into space.
    The sea dragon was designed by Robert Truax, a US navy Captain and Rocket engineer. He was one of the pioneers of American rocketry and worked on the Thor and Polaris missiles amongst others. His team debriefed the German Rocket engineers at the end of World War 2 including Werner Von Braun who went on to design the Saturn V.
    Traux believed it was complexity that drove up the cost of rockets and not their size. His designs for the Sea Dragon were very simple but very big. The sea dragon would have been 75 ft in diameter and 500ft tall, half the Hight of Chrysler building.
    This type of low-cost super heavy rocket is now known as a “big dumb booster” due to its simplistic design.
    Instead of having very complicated turbopump driven engine like the Saturn’s, his were the simplest possible design for a rocket engine.
    In place of having powerful fuel pumps to push the huge amounts of rocket fuel and oxidizer in the engine, he proposed a pressure fed system with a separate liquid nitrogen tank to pressurise the fuel tanks, this would push the fuel into the massive combustion chamber.
    His engines were literally not much more than the valves to turn on the fuel and the huge engine bell, this would make them not only much cheaper to manufacture but much easier to refurbish and reuse, unlike the F1 engines of the Saturn which were left crash in the sea and be discarded.
    The rocket would be a two-stage design, the first stage would lift it to a height of 130,000 ft before it separated and fell back into the sea, using drag bags to slow it impacts with the water, where it would be recovered for reuse.



    How to install your own septic system!

    How to install your own septic system

    Daniel Woodell

    How to install your own septic system!
    During construction of my brother’s new house we decided to install his septic system. This video shows the process it takes and how to go about doing it yourself to save a lot of money. It shows you what you need and the time it takes. This is a pump to pressure distribution system this series of videos will shows how to install that type of system yourself.

    On this website, product categories is clear and rich, I can find the product I want very quickly and easily, this is really very good!

    5 Stars By Fiona 2015-11-20 10:21
    The factory technical staff gave us a lot of good advice in the cooperation process, this is very good, we are very grateful.















    5 Stars By Annie 2016-5-18 14:28