Ic to Nano

Topics: Internal combustion engine, Combustion, Diesel engine Pages: 9 (2406 words) Published: November 24, 2010

A Paper On “Nano – Internal Combustion Engines”

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What is nano technology?
Its worth pointing out that the word nanotechnology has become very popular and is used to describe many types of research where the characteristic dimension are less than about thousand nano meter If we are to continue these trends we will have to develop a new manufacturing technology which will let us inexpensively build nano system with mole quantities that are molecular in both size and precision and are inter connected in complex patterns NANO TECHNOLOGY WILL DO THIS. What is heat engine?

Heat engines work on the principle of converting chemical energy into mechanical work and evolve from external combustion engine to internal combustion engine. External combustion engine is the heat engine in which fuel combustion takes place external to cylinder. Due to this it is bulky and consumes lot of place. Second revolution of heat engines are ICE in which fuel combustion takes internally and consumes less place and became compact, cost effective. Of late third revolution is NANO Internal Combustion Engine. It is difficult to thread- in a needle. Imagine working with an instrument with one billionth of meter.

Construction of “Nano" - A 0.1cc Compression Ignition 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 [pic]

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 aluminum 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. [pic]

Here is an exploded view of the engine. The odd looking thing in the foreground is a special Nano-Spanner required to tighten the back plate. It also fits the fuel nipple. The construction is extremely conventional - only the scale is unusual. [pic]

Like all model IC projects, there are a few special jigs and tools required to construct the Nano. All are fully detailed in the plan, which includes step by step instructions with photos. The cutter is made from water hardening drill rod (called "silver steel" in the UK because of its appearance - it contains no silver).the teeth are formed of Dermal-type cut-off wheel. [pic]

The cutter is used to form the exhaust ports in the cylinder. There are three of these, spaced at 120 degrees with sufficient space between them for the angled transfer ports to slightly overlap the timing. The crown of the piston is conical to assist transfer. The contra piston has a matching concave conical depression. [pic]

As mentioned previously, the crankcase is formed from a cube of aluminum. The venturi is machined separately and secured with Lok-Tite before the final reaming of the crankshaft journal. Notice the three transfer passages in the photo. These terminate in a transfer belt below the cylinder seat that matches...
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