Super sans plomb 95

Discussion in 'French-English Vocabulary / Vocabulaire Français-Anglais' started by Dublabla, Jul 3, 2008.

  1. Dublabla

    Dublabla Senior Member

    I need your helps.

    : Il prend du super sans plomb 95

    what does Super sans plomb 95 mean? super unleaded petrol?
    Then, what does number 95 mean?

    Merci d'avance.
  2. Grop

    Grop Senior Member

    Hi, 95 is 95% of some complicated thing: see indice d'octane, here or there (where Super Unleaded is suggested).
  3. arundhati Senior Member

    French - France
    Yes you're right, "super" has to be compared to "essence ordinaire", a quality of petrol forgotten now.
    95 is the RON : Research Octane Number. It is relative to the ability of the petrol to resist to the explosion.
  4. Asr

    Asr Senior Member

    Turquie :)
    I always get the same too, but never questioned what 95 was for. :D Merci for the info Grop even though I didn't get much of it. :p
  5. broglet

    broglet Senior Member

    English - England
    It is also known as its 'anti-knock rating'

    Super sans plomb 95 has the same anti-knock capacity as a mixture of 95% iso-octane and 5% normal heptane, by volume.
  6. Dublabla

    Dublabla Senior Member

    Merci mill fois à tous

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