Mechanical PPT

In this Page you can find Mechanical PPT for the year 2013.  

Nano IC Engine

The Nano is a 0.1cc (that's less than 0.01 cuin) compression ignition engine - most frequently, if somewhat inaccurately, referred to as a "diesel". It was designed by Richard Gordon and the plans were included as a supplement with the British Magazine Model Engineer in the early 1990's. An idea of the size of the Nano is given by this picture. From backplate to drive washer is less than 1 inch. There are no exotic materials required. The crankcase is hacked from a solid cube of aluminium 3/4" on a side. The piston and contra piston are cast iron. The crankshaft and liner are any old steel from the scrap box...>>>>Read More

Liquid Nitrogen

Liquid Nitrogen is the cheapest, widely produced and most common cryogenic liquid. It is mass produced in air liquefaction plants. The liquefaction process is very simple in it normal, atmospheric air is passed through a dust precipitator and pre-cooled using conventional refrigeration techniques. It is then compressed inside large turbo pumps to about 100 atmospheres. Once the air has reached 100 atmospheres and has been cooled to room temperature it is allowed to expand rapidly through a nozzle into an insulted chamber.....>>>>Read More

Robots In Radioactive Environments

Robots are developed to be used in areas inaccessible to human beings. Radio active environment is one in which high energy radiations like ?, ? and ? radiations are emitted by radioactive materials. There is a limitation in case of the time and dose for which professional worker can be exposed to nuclear radiations according to international regulations so it very useful to use robots in such an environment.......... >>>>Read More

Sidewinder Missile

The Sidewinder AIM-9 (air intercept missile 9) is classified as a short-range, air-to-air missile. Simply put, its job is to launch from an airborne aircraft and "kill" an enemy aircraft (damage it to the point that it goes down). Missiles like the Sidewinder are called smart weapons because they have built-in seeking systems that let them home in on a target. The technology of smart weapons really got going in the decade following World War II. Most early guided weapon prototypes were built around radar technology, which proved to be expensive and problematic. These missiles had their own radar sensors, but obviously could not carry their own radar transmitters. ......... >>>>Read More


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