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  2. OLPC XO - Wikipedia

    en.wikipedia.org/wiki/OLPC_XO

    The first XO prototype, displayed in 2005, had a built-in hand-crank generator for charging the battery. The XO-1 beta, released in early 2007, used a separate hand-crank generator. [citation needed] The XO-1 was released in late 2007. [52] [53] Power option: solar panel.

  3. Human power - Wikipedia

    en.wikipedia.org/wiki/Human_power

    The original Baygen clockwork radio with crank in winding position. A windup radio or clockwork radio is a radio that is powered by human muscle power rather than batteries or the electrical grid. In the most common arrangement, an internal electric generator is run by a mainspring, which is wound by a hand crank on the case. Turning the crank ...

  4. SCR-284 - Wikipedia

    en.wikipedia.org/wiki/SCR-284

    Field Radio Set – World War II era. Battery powered receiver, hand crank generator powered transmitter. Vehicular Radio Set – World War II era. 6/12 V dynamotor power, vibrator supply. Command Radio Set – Korean War era. two-cycle 3600 RPM, 1 horsepower gas generator power.

  5. Orders of magnitude (power) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(power)

    tech: human-powered equipment using a hand crank. [14] 10 1: deca-(daW) 1.4 × 10 1: tech: the power consumption of a typical household compact fluorescent light bulb: 2–4 × 10 1: biomed: approximate power consumption of the human brain [15] 3–4 × 10 1: tech: the power consumption of a typical household fluorescent tube light: 6 × 10 1

  6. Electric generator - Wikipedia

    en.wikipedia.org/wiki/Electric_generator

    It is also known as a unipolar generator, acyclic generator, disk dynamo, or Faraday disc. The voltage is typically low, on the order of a few volts in the case of small demonstration models, but large research generators can produce hundreds of volts, and some systems have multiple generators in series to produce an even larger voltage. [ 18 ]

  7. SCR-694 - Wikipedia

    en.wikipedia.org/wiki/SCR-694

    Power supply — The BC-1306 requires 400 to 500 volts direct current (dc), 90 to 105 volts dc, 6 volts dc and 1.5 volts dc. These voltages may be supplied by the GN-58 hand-cranked generator or the PE-237 Vibrator Power Unit, which may be operated from 6, 12 or 24 volts dc. The receiver may be operated from dry battery BA-48.