Water heater through kitchen burner

Usually water heaters and geysers consumes a lot of electricity. Also a solar water installation is quite costly. So a new way of water heating is through the heat of your kitchen burner. you dont need to buren your LPG gas for it. simply a small attachment of pipes/tubes and your water will be ready and warm while you prepare food. For more details contact shinde.pranav1@gmail.com

Automatic Blackboard Cleaner

Our teachers use large amount of energy and time in cleaning up of blackboard innumerable times a day. 'Automatic blackboard cleaner' comes to help here. It is a very simple project requiring gearing arrangements, duster ,some mechanical linkages and a power source. It is easy to maufacture and very much useful too.
For further information contact me at :
affanmandilkar04@gmail.com

Gearless Transmission

Gears have become an integral part in many power transmitting machines. However their biggest drawback is that their manufacturing is very difficult. Also they require proper maintenace and can only transmit power between short distances. Bevel gears (used for transmitting power between shafts at right angle) have a difficult design. But this difficulty can be overcomed by using a a power transmitting element other than gears. This is capable of transmitting power at right angles without any slip or loss. It is very cheap yet useful project.
For further information contact me at:
affanmandilkar04@gmail.com

Ground Source Cooling System

The main disadvantage of having an Air conditioner in our homes is that its running as well as initial cost is very much high. So to overcome this problem there is a very simple mechanical mean that can be easily employed in rural areas. The main concept here is that heat exchanger is placed considerably below in earths surface. This is done by digging up earths surface and placing the coil several feets below ground. Any cooling agent like water can be made to run through the coil. This arrangement takes up the advantage that even if the earths surface is hot or cool the temperature below remains constant. Thus during summer season the water can be made to run through the coil using a pump. The heat gained by water from room can be dissipitated below in ground.
For further details contact met at :
affanmandilkar04@gmail.com
Note: A small model of this project would require considerable expense. Also might not function properly in urban areas.