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  1. Crankshaft - Wikipedia

    The crankshaft is connected to the fly-wheel (used to smooth out shock and convert energy to torque), the engine block, using bearings on the main journals, and to the pistons via their respective con-rods. An engine loses up to 75% of its generated energy in the form of friction, noise and vibration in the crankcase and piston area.

  2. Pratt & Whitney Canada PT6 - Wikipedia

    The Pratt & Whitney Canada PT6 is a turboprop aircraft engine produced by Pratt & Whitney Canada.Its design was started in 1958, it first ran in February 1960, first flew on 30 May 1961, entered service in 1964 and has been continuously updated since.

  3. Clockwork - Wikipedia

    Up to the 15th century, clockwork was driven by water, weights, or other roundabout, relatively primitive means, but in 1430 a clock was presented to Philip the Good, Duke of Burgundy, that was driven by a spring. This became a standard technology along with weight-driven movements.

  4. 3 Phase Generator Design Guide -

    Using Chas’ 1430 rpm motor and a commonly available 1500 rpm generator, the 12:9 step-up to the shaft of the flywheel gives a satisfactory generator speed while providing a 3.27 ratio between Three Phase Inverter with synergy technology

  5. HVDC Inter-Island - Wikipedia

    The HVDC inter-island link was designed and built between 1961 and 1965 for the New Zealand Electricity Department. The major equipment suppliers were ASEA and British Insulated Callender's Cables. The original Cook Strait cables were installed in 1964, from the cable laying ship Photinia.

  6. Talk:RS-485 - Wikipedia

    I originally found this RS-485 Wikipedia page when I was desperately trying to figure out if my circuit had the A and B connections swapped. The circuit had a UART pin from a microcontroller connected to the RS-485 driver, and I connected pin A of the driver to the "A" wire of the RS-485 bus.

  7. Power-to-weight ratio - The Reader Wiki, Reader View of Wikipedia

    Power-to-weight ratio. Power-to-weight ratio (or specific power or power-to-mass ratio) is a calculation commonly applied to engines and mobile power sources to enable the comparison of one unit or design to another. Power-to-weight ratio is a measurement of actual performance of any engine or power source.

  8. Viktor Novak (From Wikipedia, the free encyclopedia) Born February 4, 1889 Donja Stubica, Austria-Hungary (modern-day Croatia) Died January 1, 1977 (aged 87) Belgrade, Yugoslavia Occupation – historian Known for full member of the Serbian Academy of Sciences and Arts.

  9. Properties of the number. It's approximately 632.1 million and has 64 divisors. Number 632092890 in words is: six hundred thirty-two million ninety-two thousand eight hundred ninety.

  10. ULA (file ULA.txt at 6e4fcde51300) -

    ULA ULA.txt. 130:6e4fcde51300. 129:0ddf10580042 ... to 8. 7 in the Service Manual, and the PAL Wikipedia page, 316 approximately 4. 7? s is ... Generator Support and ...

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