Daily digest is your daily dose of knowledge. There are 365 topics and each day will cover a different topic. It gives valuable information on topics like physics, knowledge, emotions, entertainment & spirituality. Click on archive and view all the topics of the year.
You must have come to know that big machines and technology are not complicated to study.
With this I will tell you about Helicopter.
Fans: the main rotor lifts the helicopter up in the air. The back rotor helps the helicopter to turn left or right.
The main rotor and back rotor spin in the same direction.
Engine: - Helicopter has one, two or three engines. Engines make the rotor spin.
Engine has three parts
:Compressor: - it has fans, which suck in air and squeeze it in the combustion chamber.
Combustion chamber: - Air is used to burn fuel. As the fuel burns, it makes the steam of hot gases.
Turbine: - Hot gases shoot through a port called turbine, making it spin very fast. As the turbine spins,
it makes the Shaft spin very fast. It also spins the compressor. It also spins the generator
and electricity is produced for cabin light and equipment.
Land: - Small helicopter lands on the skid (Metal parts ). Big helicopter lands on Wheel (nose wheel or rear wheel)
Cock-pit: - Pilot and co-pilot sit in a cockpit. Instrument in the cockpit gives the information about speed, height,
fuel etc. The lever is used to make helicopter go up or down. Control column is used to make helicopter move forward, backward, left or right
Museum is a Greek word. Mousien which is near temple of Muses. Muses is Goddess of art.
Mousein founded by Alexandria, Egypt in 3rd century.
Good thought: - Spain: what cures Sancho makes Martha sick.
England: One man’s meat is another man’s poison.
France: What is bad for one is good for another.
These proverbs mean that people like different things. You may like something.