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The ancestor of the drill
(7) | 10/09/2020 | Translate: The arc drill is the ancestor of today's electric drill, and its use was first observed in constructions from 2000-2500 BC. The arc drill consists of a handle, an axis and a simple arc.
Burst tire on a huge truck In Siberia Russia, a truck Belaz 75710 weight 360 tons, leaning on electric cables near a power pole. Electricity is then grounded by the axle on the ground creating an arc, and the oil / grease to the shaft heats a tire and punctures.- Jetson ONE flies in a forest A new demonstration of the Jetson ONE electric aerial vehicle, produced by the Swedish company Jetson, this time flying through a forest. The Jetson ONE which is sold as a kit at the price of 79.000 Euro, has an aluminum structure and is based on 8 engines and 8 propellers. To pilot it, its operator uses a throttle and a 3-axis joystick. The flight controller limits the maximum speed to 102 km / h.
- Test of the Stipa-Caproni experimental aircraft (1933) Stο Stipa-Caproni, was an experimental Italian aircraft designed in 1932 by Luigi Stipa and built by Caproni. It had a hollow barrel-shaped shaft with the engine and propeller completely surrounded by the fuselage. In essence, the whole fuselage was a simple conduit. Although Regia Aeronautica (Italian Royal Air Force) was not interested in continuing the development of Stipa-Caproni, its design inspired the development of the jet engine.
- Tungsten arc welding This is a TIG welding (ή GTAW), using a tungsten electrode and argon gas. The electrode together with the weld metal form an electrical circuit, and an electric arc is created at the point of welding. In this welding method the arc melts the welded metal, and not the electrode. Argon gas comes out of the welding gun, and is used to protect molten metal from oxidation.
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- Special patent for the grill A man uses a boat propeller on an electric drill, as a blower for the fire of his grill.
- A woman tries to use the drill (fail) A man captures a woman video, as he tries to make a hole in a wall with an electric drill and a ... Hammer. The known drill-malleolus.
- Useful accessories for drills Some very smart accessories that adapt to electric drills.
- Making potato crisps with a drill In an amusement park in Berlin, sold potato chips made using a makeshift cutter and an electric drill.
- A robot from LEGO playing guitar Homemade Lego Mindstorms construction, He is scheduled to play a specific song on guitar. The Lego Mindstorms is a line of Lego products combining programmable bricks with electric motors, sensors, and other technical pieces (as tools, axes, rays, and hydraulic parts) suitable to build the user's own robot or other automated systems.
- The smallest electric drill in the world The mechanic Lance Ampernethi from New Zealand, kataskeyase a tiny electric drill with the help of a three-dimensional printer. It is just 17 mm in height, 13 mm in width, and has a drill 0,5 mm.
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- The simplest electric train in the world Using a battery, 4 neodymium magnets and copper wire, a Japanese built the simplest electric train. The operating principle is the same as that of an electric motor.
- A very quick method for peeling apples Employees at a restaurant devised a quick way for peeling apples using an electric drill. The peels are then sent to a local farm as feed.
- Peeling apples with an electric drill A chef from the Netherlands discovered an easy way to peel apples, using a drill.