How a marker ball is installed on electrical cables The marking balls are placed on high voltage cables near mountain passes, in valleys, near major highway crossings and around airports. Their purpose is to make the cables visible on the aircraft. Helicopters and small aircraft often fly low on mountain passes or highways, and usually when approaching the airport.
Fireworks on a helicopter In Bengbu, China, a pilot celebrated the new year by launching fireworks from his helicopter. The man strapped some rockets to his helicopter's skids and launched the rockets into the air.
Aircraft repair with augmented reality An aircraft engineer shows us how one can see the parts inside a helicopter using special augmented reality glasses.
The strength of the current How electricity can melt metals. In this particular case, voltage is low (around 2 volts) but the volume too high (400 Amp).
Helicopter pilot avoids crash On Wednesday July 6, 2022 at the Vieille Lighthouse off Pointe du Raz, France, a helicopter avoided a crash at the last minute during maintenance work.
It was a nice game The pilot of an unmanned helicopter faces a problem in landing.
Truck against helicopter On a road in Argentina, a hospital helicopter has landed on the side of the road to pick up a patient urgently. A truck driver will pass very close to the propellers, who will hit his trailer.
Helicopter pilot helps a man sweep Near Bengbu city in China, a helicopter comes to the aid of a man wiping dry leaves from a road. With only one pass, the helicopter blows all the leaves to delight the man, who pleases the pilot with a wave of his hands.
The mechanism in the rotor of a helicopter Demonstration of the rotation mechanism of the blades of a helicopter propeller. The disk on the ascending and descending axis is called the swashplate, and is responsible for rotating the blades at different angles to change the direction of the helicopter.