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  1. Marine Chronometer

    Linked via "balance wheel"

    Mechanical Design and Principles
    The operation of a marine chronometer depends on a highly regulated oscillating system shielded from environmental noise. Unlike terrestrial pendulum clocks, chronometers rely on a balance wheel, typically rotating between 18,000 and 36,000 beats per hour.
    Temperature Compensation
  2. Marine Chronometer

    Linked via "balance wheel"

    The Escapement
    The escapement transfers energy from the mainspring to the balance wheel while simultaneously counting the oscillations. Most marine chronometers employ a variation of the chronometer detent escapement. This design offers minimal friction but requires the balance wheel to move freely once impulse is received. To ensure the detent does not accidentally engage or release during ship vibration, a specialized auxiliary spring, kno…