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There is a small generator that charges up a battery. Mine shines fairly brightly with a good charge. you have to rewind it everynow and then but winding is free and very easy. hey when you think about it you burn calories not money.
Wiki User
∙ 14y ago
Wiki User
∙ 12y agoThe winder winds a clock like spring, the springs drives a small generator. The DC generator powers the radio.
A wind-up radio has a hand-operated electrical generator which stores electrical charge in either a capacitor or a battery; the radio will then operate until the charge is depleted.
Wiki User
∙ 12y agothey work with a crank turn it and it will get louder
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Were radios invented in 1914?
The FM radio was invented in 1933. It was invented by the inventor Edwin Howard Armstrong. He invented the frequency that allows radios to work.
What types of emergency radios are there?
There are many types of emergency radios available. Some of the types of radio available include Ham radio, AM radios, FM radios, CB radios and walkie talkies.
What company makes bose radios?
The Bose corporation makes bose radios for your enjoyment. No other company makes the bose radios or any radios quite to their standard.
EQ-20 why is the height of a VHF radio antenna important?
VHF radios work by the line of sight principle
Will Sirius Satellite Radios work downttown surrounded by high rises?
Yes, the signal will not be interrupted by tall buildings.
What is the function of a hand crank radio?
In this day and age a hand crank radio would seem rather primitive but there is a lot of room for them in our society. The number one function of a hand crank radio would be access to radio when power is not available. It is perfect for camping trips, hiking, fishing, or even your backyard. Another selling factor is the fact that it does it is completely battery free. Unlike regular radios where you have to feed it mountains of batteries, hand crank radios are completely manually powered.
What are wind-up radios?
Windup radios are just as the name says: they are radios in which you would crank a handle on the side going in a circular motion. this then charged the radio so that it would work. so you would windup the radio
Where can one purchase a wind up radio?
Wind up radios are ones which a user must use some type of hand crank in order to generate power to the radio. Amazon has a variety of wind up radios one can purchase with prices varying depending on model.
How does a professional hand held 2 way radio work what is vhf or uhf-which is better role frequency plays Range of hand held 2 way radios can someone tell me everything about hand held 2 way radios?
http://en.wikipedia.org/wiki/Two-way_radio
How does a hand crank winch make work easier?
The handle on the crank is a essentially a Lever. It makes it easier to pull in heavy loads on the cable attached to the winch.
What is the latest model car made that has a hand crank hole with a hand crank starter?
i have a 1986 Toyota 4x4 auto 2h diesel with electric and hand crank if battery is flat it has a special radiotr with hole in it for crank handel
Out of all of the brands of portable radios, which ones are not powered by batteries?
Solar powered radios would be your best bet becuause they use the suns energy to charge up a solar battery and with the battery will keep your radio playing for a very long time and since the sun is it's energy source chance are you'll never run out of power.There are hand crank radios that fit in this category as well.
Do shower radios really work without getting wet?
Yes, shower radios really work without getting wet.
How did the early radio work?
Early radios work by intinas .
How did the model T motor start?
It started by hand. A hand crank at the front of the engine allowed you to turn the engine until it fired (started). An example of the crank can be seen in the photo above, directly over the license plate.
How do you remove the door panel of a 2001 Sonoma does not have power windows?
You need to remove the window hand crank with a window hand crank removal tool.
What do radios have to do with wireless sound?
Radios have to wireless sound because more radios exspeshualy in the present days are wireless they have no cord or plug for them to work you just push a button then then you have sound.
