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  2. Trailer connectors in North America - Wikipedia

    en.wikipedia.org/wiki/Trailer_connectors_in...

    If you have a trailer with a lot of lights the diode and relay wiring is preferred, but if you have a trailer with a simple light arrangement it is usually sufficient to wire to 58L. In market there are many special converters [ 1 ] [ 2 ] [ 3 ] that solves the problem of connecting a car with European wiring to a trailer with North American wiring.

  3. Solenoid (engineering) - Wikipedia

    en.wikipedia.org/wiki/Solenoid_(engineering)

    In engineering, a solenoid is a device that converts electrical energy to mechanical energy, using an electromagnet formed from a coil of wire. The device creates a magnetic field [ 1 ] from electric current , and uses the magnetic field to create linear motion.

  4. Starter solenoid - Wikipedia

    en.wikipedia.org/wiki/Starter_solenoid

    The starter motor is a series, compound, or permanent magnet type electric motor with a solenoid and solenoid operated switch mounted on it. When low-current power from the starting battery is applied to the starter solenoid, usually through a key-operated switch, the solenoid closes high-current contacts for the starter motor and it starts to ...

  5. Solenoid - Wikipedia

    en.wikipedia.org/wiki/Solenoid

    An illustration of a solenoid Magnetic field created by a seven-loop solenoid (cross-sectional view) described using field lines Magnetic field demonstration with solenoid-shaped insulated wire and iron filings. A solenoid (/ ˈ s oʊ l ə n ɔɪ d / [1]) is a type of electromagnet formed by a helical coil of wire whose length is substantially ...

  6. Winch - Wikipedia

    en.wikipedia.org/wiki/Winch

    A winch is a mechanical device that is used to pull in (wind up) or let out (wind out) or otherwise adjust the tension of a rope or wire rope (also called "cable" or "wire cable"). In its simplest form, it consists of a spool (or drum) attached to a hand crank .

  7. Block and tackle - Wikipedia

    en.wikipedia.org/wiki/Block_and_tackle

    Diagram 3 shows three rope parts supporting the load W, which means the tension in the rope is W/3. Thus, the mechanical advantage is three-to-one. By adding a pulley to the fixed block of a gun tackle the direction of the pulling force is reversed though the mechanical advantage remains the same, Diagram 3a. This is an example of the Luff tackle.

  8. 'Don't tell me you have a tractor': This Oklahoma man and his ...

    www.aol.com/finance/dont-tell-tractor-oklahoma...

    The couple’s payments on these loans are so high, Ramsey said it made him “want to puke” on a recent episode of “The Ramsey Show." He said, “Don’t tell me you have a tractor. He said ...

  9. Kőnig's lemma - Wikipedia

    en.wikipedia.org/wiki/Kőnig's_lemma

    Kőnig's 1927 publication. Kőnig's lemma or Kőnig's infinity lemma is a theorem in graph theory due to the Hungarian mathematician Dénes Kőnig who published it in 1927. [1] It gives a sufficient condition for an infinite graph to have an infinitely long path.