valve-opening lead

  • 1lead and lag — The terms referring to the time between a valve opening and TDC or BDC (valve lead), and the time between TDC or BDC and a valve closing (valve lag); (compare valve overlap) …

    Dictionary of automotive terms

  • 2Lead — Lead, n. 1. The act of leading or conducting; guidance; direction; as, to take the lead; to be under the lead of another. [1913 Webster] At the time I speak of, and having a momentary lead, . . . I am sure I did my country important service.… …

    The Collaborative International Dictionary of English

  • 3Lead angle — Lead Lead, n. 1. The act of leading or conducting; guidance; direction; as, to take the lead; to be under the lead of another. [1913 Webster] At the time I speak of, and having a momentary lead, . . . I am sure I did my country important service …

    The Collaborative International Dictionary of English

  • 4lead of the ignition — Lead Lead, n. 1. The act of leading or conducting; guidance; direction; as, to take the lead; to be under the lead of another. [1913 Webster] At the time I speak of, and having a momentary lead, . . . I am sure I did my country important service …

    The Collaborative International Dictionary of English

  • 5Lead screw — Lead Lead, n. 1. The act of leading or conducting; guidance; direction; as, to take the lead; to be under the lead of another. [1913 Webster] At the time I speak of, and having a momentary lead, . . . I am sure I did my country important service …

    The Collaborative International Dictionary of English

  • 6Opening of the Liverpool and Manchester Railway — The Duke of Wellington s train and other locomotives being readied for departure from Liverpool, 15 September 1830 The opening of the Liverpool and Manchester Railway (L M) took place on 15 September 1830 …

    Wikipedia

  • 7valve lead — The number of degrees of the crankshaft before the top or bottom center, at which the intake or exhaust valves open or close. For example, if the intake valve opens when the crankshaft is 25° before the piston reaches the top of the exhaust… …

    Aviation dictionary

  • 8Lead (disambiguation) — For the Wikipedia guideline for the lead paragraph(s) of an article, see . Lead can have several meanings and pronunciations, usually related to either the chemical element lead or the verb to lead . Meanings associated with the chemical element… …

    Wikipedia

  • 9Walschaerts valve gear — The Walschaerts valve gear is a type of steam engine valve gear invented by Belgian railway mechanical engineer Egide Walschaerts in 1844. The gear is sometimes named without the final s , since it was incorrectly patented under that name. It was …

    Wikipedia

  • 10Desmodromic valve — In general mechanical terms, the word desmodromic is used to refer to mechanisms that have different controls for their actuation in different directions. Desmodromic poppet valve in Ducati engine. A desmodromic valve is a reciprocating engine… …

    Wikipedia