Quadcopters

Ever felt amazed by seeing a vehicle flying in the sky without a pilot? These vehicles are of great use nowadays! From aerial surveillance to video shooting during weddings, they find a huge range of applications. Quad-copters, also known as Drones are technically aircraft that do not have a pilot but are controlled by someone else on the ground. It is useful for many purposes. Drones are being effectively used in the agriculture sector for spraying pesticides, government officials use them for aerial surveillance, Media uses them for shooting any big event. Companies like Amazon are investing money in the use of drones for delivery and expanding internet access, but for the most part, these applications are in the testing phase. For any flying vehicles, landing gears are present that help these vehicles while landing or taking off. Airplanes have wheels that are used as landing gears which fold once the plane takes off. But the helicopters do not have a folding landing gear. The