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साधन चिह्नित: Vita

128 items found (Showing 41 - 50) |

  1. Stabilized Earth Construction

    01-01-1987 Soil is a universal building material and is one of the oldest known to humanity. Simple soils (without additives), or soils improved by adding stabilizing materials such as bitumen or cement, are suitable for homes, schools, roads, and other construction. For construction purposes, soil is...
    Stabilized Earth Construction Manuals VITA Downloads Soil Health

  2. Making Building Blocks with the CINVA-Ram Block Press

    01-01-1977 This manual combines the experience of four men who used the CINVA-Ram Block Press and figured out answers, bit by bit, to the inevitable problems of detail as they came up day after day. That was the hard way to learn how to use the press; this handbook is intended to make it easier.
    Construction CINVA-Ram Block Press VITA Downloads

  3. Understanding Ferrocement Construction

    01-01-1988 Ferrocement is a building material composed of a relatively thin layer of concrete, covering such reinforcing material as steel wire mesh. Because the building techniques are simple enough to be done by unskilled labor, ferrocement is an attractive construction method in areas where labor costs...
    Ferrocement Design & Construction Construction VITA Downloads

  4. 1-Kw RIVER GENERATOR

    01-01-1980 The plan presented here is a detailed description of a 1-kilowatt (1-kW) generator unit, which was prepared in 1971. The plan is scheduled to be revised and updated in the near future in order to incorporate additional data. At the time, this plan was prepared, the generator had not been built on...
    Hydropower Water Power River Power Generator VITA Downloads

  5. Small Michell (Banki) Turbine

    01-01-1980 The Michell or Banki turbine is a relatively easy to build and highly efficient means of harnessing a small stream to provide enough power to generate electricity or drive different types of mechanical devices. The turbine consists of two main parts - the runner, or wheel, and the nozzle. Curved...
    Construction Manual Power Resources Hydraulic Turbines Turbine VITA Downloads

  6. Understanding Hydropower

    01-01-1984 Once it is understood that gravity and water can be harnessed to produce energy, a study of methods to extract this energy efficiently can be undertaken. The purpose of this paper is to discuss several such methods in general terms. The paper provides a basic introduction to the science of water...
    Hydropower Water Power VITA Downloads Energy sources Energy Conservation Gravity-Fed Water WH

  7. Understanding Mini-Hydroelectric Generation

    01-01-1985 Electricity can be generated from the power of flowing water. This is called hydroelectric generation, and it can be done anywhere that there is water and a hill or drop for it to run down--in an irrigation canal, where a river runs through rapids or over a waterfall, or where a dam has backed up...
    Hydropower Water Power Water VITA Downloads

  8. Understanding Micro-Hydroelectric Generation

    01-01-1985 The power of flowing water can be used to generate electricity, or to do other kinds of useful work. Generating electricity in this way is called hydroelectric generation. It can be done anywhere that there is water and a hill or drop for it to run down, such as a drop in an irrigation canal, a...
    Micro-Hydroelectric Hydropower Water Power Water VITA Downloads

  9. Hydraulic Ram

    01-01-1987 A hydraulic ram is a pump that uses the power of falling water to force a small portion of the water to a height greater than the source. Water can be forced about as far horizontally as desired, but greater distances require larger pipe, due to friction. No external power is necessary. With only...
    Hydraulic Ram Pumps VITA Energy sources Downloads

  10. Overshot Waterwheel A Design And Construction Manual

    01-01-1980 Improved use of water as a power source has potential for much of the developing world. There are few places where water is not available in quantities sufficient for power generation. Almost any flowing water--river, brook, or outlet of a lake or pona--can be put to work and will provide a...
    Water Water Wheel Design & Construction Construction Manual VITA Downloads