CBSE Science Fair Exhibition Project, “Recycled Engine for Car” Theme “ Transport & Communication” for Class 9, Class 10 and 12

Project Name : Recycled Engine for Car

Theme Name : Transport & Communication

Aim: The aim of this project is to launch a new technology in the market, worldwide. As the engine used in this car is fully self modified from a defective generator. This engine runs on LPG fuel and gives enough power to drive a car on roads as well as on water.

Material used: Wooden board (3 x 4 feet), angles of iron, ½ kg nut and bolts (1 inch),½ kg nut bolts (1.5 inch), 4 tyre and 4 tubes,2 small axles,1 large axle, clutch drum, clutch bush, clutch pulley, clutch rotator, chain, gear (teeth), 2 rub gear (verm), 8 ball bearing, gas can, brake wire ,accelerator wire,2 outers,4 universal bearing1 kinetic gearbox,2,4inch nut bolt,4,3.5inch nut bolt,8 l key skrew, gas pipe, gear oil, engine oil, 2 thrust bearing’, grease and silicon, steering rod, iron plate (steering), fan rod, verm gear (fan), propeler, 2 bars, ball bearing 2 (fan), steering, steel rod thick, steel rod thin,1 socket, iron strips (40 feet),translucent fibre, transparent fibre, engine, paint, lights, wooden ply, brake and accelerator, seat, truck tube, disk brake set

Principle: The principle of this car is to use a vehicle with a ‘green’ fuel, as it decrease exhaust emissions. In particular, it reduces CO2 emissions by around 35% compared to petrol. This car has reduced oil consumption and waste oil is less toxic than any other engined vehicle. This small engine can also be fitted on the cycles and can prove a boon to the elderly people who cannot paddle the cycle and can prove to be most convenient means of transport in the rural area of India Working of the Engine: The LPG is passed through a narrow pipe to the engine and the air ventury of the engine mixes the air, for the complete combustion of gas having negligible pollutant. This air mixed gas is then passed to the burning chamber where igniting spark plug is placed, and when we turn on the engine, the spark plug ignites the gas, creating high pressure inside the chamber.

Through this pressure the pistons of the engine starts moving up and down which leads to the rotation of the inner drum. With the inner drum there are clutch bushes attached which gets increased in their size when we accelerate the engine. This increase in their size holds the clutch cup and the cup rotates, there is a clutch drum also attached on the cup of pulley so that the cup does not come out on high speed causing any severe accident. The car is balanced and can float on water through the truck tubes fitted under the car, which can be filled with air and can be put to work when we want to drive this car on water, through a foot pump which takes less than 1 minute to fill the whole tube. The steering can be used for driving this car on roads as well as on water to take sharp turns.

Utility: Running any vehicle either on LPG or CNG is much cheaper as compared to Fossil Fuel I.e. petrol or diesel. Natural gas is also an economic alternative to gasoline and other transportation fuels. Traditionally, natural gas vehicles have been around 30 percent cheaper than gasoline vehicles to refuel, and in many cases the maintenance costs for NGVs is lower than traditional gasoline vehicles

It is an eco friendly, pollution free, that is why all the buses are being run on CNG/LPG to reduce pollution in the city. While the Gas is available in abundance, the availability of the fossil fuel is only for limited period say for-25-years.

Future scope: This concept if launched commercially in the market could turn out to be revolutionary. It is not only energy efficient but also affordable proving a boon for common man, its maintenance charge is negligible.

If everyone start using this vehicle, alone in India on an estimate rupees 200crore fuel can be saved per day. And it is a very efficient vehicle which has a maximum speed of about 30km/h, and gives the mileage of 70 km per litre of LPG gas and has a dimension of about 3X4 ft. We have designed this four wheeler LPG car which we can drive on roads and water too. It’s a very eco-friendly, pollution free, sustainable, portable and a very cheap device which can be used in our day to day life and the best part is keeping the conservation of natural resources in mind. It’s a very efficient vehicle for rural areas and big cities.

Name of the School: Delhi Public School, Vasant Kunj, New Delhi.

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