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The fundamental principles of a wind turbine are similar to the ones of a hand-powered generator. It is commonplace to think of the electrical grid as a given, believing that we will always have power when we require it. There are many situations where electricity might not be accessible or it isn’t possible to charge your mobile. You might have to travel in the wilderness or be stuck due to an emergency. It can take several days, if not weeks for utilities companies to reconnect power lines that have been damaged by violent storms. There’s always a chance that a zombie-apocalypse could leave civilization in shambles. Your gadgets’ batteries will only last for a limited time. But there’s one way to generate electricity that never runs out of power and is easy to carry: a hand-powered generator. It’s the travel gadget which can power your other gadgets for travel — your cell phone, MP3 player, or emergency radio. We’ll show you the hand-powered generator’s functions and what they can accomplish. They function like other generators. The only difference is that the initial energy is provided through your arm, not using steam from burning coal or a flowing river. A generator is basically an electric motor that operates in reverse. Both are based on principles of magnetism which were discovered by the scientist Michael Faraday. Faraday discovered that conductive wires can be moved through the magnetic field and produce an electric current. Through spinning a coil of wire around a magnet Faraday discovered that he could generate a constant current. He was able to convert the energy required to spin the coil to electricity. This is the principle that is the basis of generators running on diesel or gasoline fuel, as well as the massive turbines in modern power stations, where the coils turn by steam or falling water generated by burning coal or igniting nuclear reactions. Instead of gasoline, steam or falling water the coils turn by the user. If you crank at the back of the generator, the coils move around the magnet, generating current. Hand generators that are simple do not have voltage regulators inside the device, and therefore, using devices that are sensitive to voltage can cause problems. One example is that if you attached one to a lightbulb but turned the crank in a fast enough manner, TreasureHunter site it could cause the filament to burn. Hand-powered generators today are capable of controlling voltage so that the device operates efficiently. We’ll then show you how to use a hand generator. Since a generator is an electric motor that works in reverse, it’s simple to make your own hand-powered generator. You will need a cordless electric drill, as well as experience with electrical wiring. You will need to remove the battery from the drill. Connect the leads inside its battery compartment to the device that you would like to be powered by. The rechargeable batteries are ideal. Attach a large handle to drill’s chuck. Next, hold the trigger as if were turning it on and then turn the handle. You may have to experiment with a voltage meter, altering the direction of rotation of the handle, and the setting for the torque and direction on the drill, but once you’ve gotten it right you can recharge the batteries by turning the drill by hand for a short period of time. Numerous travel tools have generators. For instance, devices with built-in hand-powered generators that are commonly used on camping trips come with an alarm clock and a flashlight which can be used to communicate when you require help. They can be powered by standard batteries throughout the day. If you’re left with dead batteries, try using the hand crank to turn the device up enough to switch on the weather reports and the light. It’s not necessary to think about connecting the generator to any device since it’s all internal. Certain hand generators can only be used with specific models of phones, so you need to be sure it’s compatible. It’s a small gadget with a motor that can be used as hand crank. A specific connector allows you to hook it up to the phone. You simply turn the crank to start charging the battery on the phone. The voltage that is generated will vary depending the speed at which you crank the device and the built-in voltage regulators maintain a steady current. The longer you crankthe machine, the more power you create. A just a few minutes of cranking usually enough to make one quick emergency phone call. In lieu of being designed to connect to one specific device, they can be connected to electric leads, a lighter-type socket or a common electrical socket. You then can connect or plug in any device you want to connect to the generator to supply it with energy. Not every device will work with a hand-powered generator -only those that draw the kind of power and voltage produced by the generator are able to function. Generators typically generate direct current (DC) power, however some have internal power inverters that convert this power to AC or alternating current (AC) power. While hand-powered generators typically produce 6 volts of power, certain models come with increased cranking rates and may produce higher voltages. The concept of a hand-powered generator can be traced back to at least the 1960s. The military used specially-designed hand generators that were able to fold into bags. Generators could be turned by a soldier in order to power electronic equipment in remote areas without electricity. You can purchase an electric generator that is hand-powered at many outdoor outfitters. You can also purchase them from stores selling educational supplies. Hand generators are usually sold with clear housings, so you can clearly see the coils and magnets in action. Visit the next page to find more information on hand-powered generators.