Double Action

Double action may refer to:

  • Double-action, a system in firearms where the trigger both cocks and releases the hammer
  • Double-acting cylinder, a system in steam and internal combustion engines
  • Simple expansion, a system in steam engines and their accessories where a piston has the ability to both push and pull a connecting rod

Famous quotes containing the words double and/or action:

    “You’ve been making love to a double dose of cyanide.”
    —Robert Riskin (1897–1955)

    “Rash actions are seldom committed in isolation. With the first rash action we always do too much. So we usually go on to commit a second one—and then we do too little.”
    —Friedrich Nietzsche (1844–1900)