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  2. Yanmar - Wikipedia

    en.wikipedia.org/wiki/Yanmar

    Yanmar was founded in March 1912 in Osaka, Japan, [2] by Magokichi Yamaoka. [3] [4] When the company began in 1912, it manufactured gasoline-powered engines. [5] In 1920 the company began production of a small kerosene engine. [6] In 1933, it launched the world's first practical small diesel engine, the HB model. [5] [7] [8]

  3. Yanmar 2GM20 - Wikipedia

    en.wikipedia.org/wiki/Yanmar_2GM20

    A Yanmar 2GM20 marine diesel engine, installed in a sailboat. The center pulley is the crankshaft, the lower left one the seawater pump, the upper right one the alternator. The Yanmar 2GM20 is a series of inboard marine diesel engines manufactured by the Japanese company Yanmar Co. Ltd. It is used in a wide range of sailboats and motorboats.

  4. Wheel speed sensor - Wikipedia

    en.wikipedia.org/wiki/Wheel_speed_sensor

    This correction enables a larger maximum permissible air gap at the speed sensor. On a module m = 1 target wheel these new sensors can tolerate an air gap of 1.4 mm, which is wider than that for conventional speed sensors on module m = 2 target wheels. On a module m = 2 target wheel the new speed sensors can tolerate gap of as much as 2.2 mm.

  5. Tachograph - Wikipedia

    en.wikipedia.org/wiki/Tachograph

    A tachograph system comprises a sender unit mounted to the vehicle gearbox, the tachograph head and a recording medium. Tachograph heads are of either analogue or digital types. All relevant vehicles manufactured in the EU since 1 May 2006 must be fitted with digital tachograph heads. The recording medium for analogue heads are wax coated paper ...

  6. Tachometer - Wikipedia

    en.wikipedia.org/wiki/Tachometer

    A tachometer that can indicate up to 7000 RPM (left) A tachometer (revolution-counter, tach, rev-counter, RPM gauge) is an instrument measuring the rotation speed of a shaft or disk, as in a motor or other machine. [1] The device usually displays the revolutions per minute (RPM) on a calibrated analogue dial, but digital displays are ...

  7. Wiring diagram - Wikipedia

    en.wikipedia.org/wiki/Wiring_diagram

    A wiring diagram for parts of an electric guitar, showing semi-pictorial representation of devices arranged in roughly the same locations they would have in the guitar. An automotive wiring diagram, showing useful information such as crimp connection locations and wire colors. These details may not be so easily found on a more schematic drawing.

  8. Variable reluctance sensor - Wikipedia

    en.wikipedia.org/wiki/Variable_reluctance_sensor

    A given VR-sensing system has a definite limit as to how slow the target can move and still develop a usable signal. An alternative but more expensive technology is Hall effect sensor . Hall effect sensors are true zero-rpm sensors and actively supply information even when there's no transmission motion at all.

  9. Tacheometry - Wikipedia

    en.wikipedia.org/wiki/Tacheometry

    Diagram of measurements: D is the slant distance; S is the horizontal distance; Δh is the vertical distance. Tacheometry ( / ˌ t æ k i ˈ ɒ m ɪ t r i / ; from Greek for "quick measure") is a system of rapid surveying , by which the horizontal and vertical positions of points on the Earth's surface relative to one another are determined ...