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Thread: Lucas Electrical Theory

  1. #1
    Join Date
    May 2007
    Location
    Port St. Lucie, FL
    Posts
    1,745

    Default Lucas Electrical Theory

    Anyone who has ever had the misfortune to own/operate/restore a British sports car will appreciate this explanation of electrical theory:



    'ELECTRICAL THEORY BY JOSEPH LUCAS'


    Positive ground depends on proper circuit functioning, which is the
    transmission of negative ions by retention of the visible spectral
    manifestation known as "smoke"..

    Smoke is the thing that makes electrical circuits work. We know this to be
    true because every time one lets the smoke out of an electrical circuit, it
    stops working. This can be verified repeatedly through empirical testing.

    For example, if one places a copper bar across the terminals of a battery,
    prodigious quantities of smoke are liberated and the battery shortly ceases
    to function.

    In addition, if one observes smoke escaping from an electrical
    component such as a Lucas voltage regulator, it will also be observed that
    the component no longer functions. The logic is elementary and inescapable!

    The function of the wiring harness is to conduct the smoke from one device
    to another. When the wiring springs a leak and lets all the smoke out of the
    system, nothing works afterward.

    Starter motors were considered unsuitable for British motorcycles for some
    time largely because they consumed large quantities of smoke, requiring very
    unsightly large wires.

    It has been reported that Lucas electrical components are possibly more
    prone to electrical leakage than their Bosch, Japanese or American counterparts.

    Experts point out that this is because Lucas is British, and
    all things British leak. British engines leak oil, British shock absorbers,
    hydraulic forks and disk brake systems leak fluid, British tires leak air
    and British Intelligence leaks national defense secrets.

    Therefore, it follows that British electrical systems must leak smoke. Once
    again, the logic is clear and inescapable.

    In conclusion, the basic concept of transmission of electrical energy in the
    form of smoke provides a logical explanation of the mysteries of electrical
    components - especially British units manufactured by Joseph Lucas, Ltd.

    And remember: "A gentleman does not motor about after dark." Joseph Lucas

    (1842-1903)

  2. #2
    Join Date
    Nov 2007
    Posts
    285

    Default

    Quote Originally Posted by phorner View Post
    Anyone who has ever had the misfortune to own/operate/restore a British sports car will appreciate this explanation of electrical theory:
    'ELECTRICAL THEORY BY JOSEPH LUCAS'
    Adding to your Joseph Lucas "Electrical Theory" story, I have seen the quote on T-shirts at motorcycle rallies which reads: "Lucas: Prince Of Darkness."

    Eric Faires
    Huntsville, TN

  3. #3
    Join Date
    Jun 2006
    Location
    Indian Hills
    Posts
    1,140

    Default

    When we drive our Jaguar E-Type 1970 on a road outing with our Club, as a Club we drive with our headlights on, or at least with the head light switch in the 'On' position and let Lucas do the rest. Remember, the Concord had 27 miles of Lucas wiring.
    Jim and Chris
    2001 Featherlite Vogue XLV 2 slide with Rivets-current coach, 1999 shell
    Previous 22 years,
    We have owned every kind of Prevost shell but an H3-40

  4. #4
    Join Date
    Feb 2006
    Location
    Bristol, Tn
    Posts
    1,647

    Default Lucass Smokass

    I can 2nd that. I had an early love affair with Triumph motorcycles. When running; it ran great. When the smoke came out it quit. Always a wiring issue.

    The oil leaks were less than a Harley of the day.

    But back then most parking lots were gravel. A little oil was good for keeping the dust down.
    Roger that!
    2008 Liberty DS XL2
    2023 Denali Ultimate
    My 6th Prevost

  5. #5
    Join Date
    Dec 2006
    Location
    mahwah, NJ / Naples, Fla (Pelican Lake)
    Posts
    442

    Default

    I have a Sunbeam Tiger, the love child of British unpredictable technology and Ford V8 reliability. The car is an animal to drive, The Lucas electrical system is a nightmare just don't drive it at night because the headlights are too dim, the directionals never worked, the brake lights occasionally work and its too hot in the summer and too cold in the winter to drive.
    Wendy and Rick DeSilva
    '08 Marathon H-3
    2017 F350 platinum
    Mahwah, NJ
    Brant Beach, NJ
    Pelican Lake, Fla

  6. #6
    Join Date
    Jan 2006
    Location
    Anaheim
    Posts
    566

    Default

    Rick, many years ago, I had a Tiger also....fun car but not when it was hot out.

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