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Thread: Rolls-Royce Phantom (I) 1925-1931

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    Rolls-Royce Phantom (I) 1925-1931

    The Phantom was Rolls-Royce's replacement for the original Silver Ghost. Introduced as the New Phantom in 1925, the Phantom had a larger engine than the Silver Ghost and used pushrod-operated overhead valves instead of the Silver Ghost's side valves. The Phantom was built in Derby in England and in Springfield, Massachusetts in the United States. There were several differences in specification between the English and American Phantoms. The Phantom was replaced by the Phantom II in 1929, at which point it was called the Phantom I.

    Name
    Introduced in 1925, the Phantom I was Rolls-Royce's second 40/50 hp model. To differentiate between the 40/50 hp models, Rolls-Royce named the new model "New Phantom" and renamed the old model "Silver Ghost", which was the name given to their demonstration example, Registration No. AX201.When the New Phantom was replaced by another 40/50 hp model in 1929, the replacement was named Phantom II and the New Phantom was renamed Phantom I.

    Drivetrain
    One major improvement over the Silver Ghost was the new pushrod-OHV straight-6 engine. Constructed as two groups of three cylinders with a single detachable head, the engine was described by Rolls-Royce as producing "sufficient" power. The engine used a 4¼ in (107.9 mm) bore and undersquare 5½ in (139.7 mm) stroke for a total of 7.7 L (7,668 cc (467.9 cu in)) of displacement. In 1928, the cylinder heads were upgraded from cast iron to aluminium; this caused corrosion problems. The separate gearbox connected through a rubberised fabric flexible coupling to the clutch and through a torque tube enclosed drive to the differential at rear, as in the Silver Ghost.

    Chassis
    The New Phantom used the same frame as the Silver Ghost, with semi-elliptical springs suspending the front axle and cantilever springs suspending the rear axle. 4-wheel brakes with a servo-assistance system licensed from Hispano-Suiza were also specified.

    Bodywork
    Only the chassis and mechanical parts were produced by Rolls-Royce. The body was made and fitted by a coachbuilder selected by the owner. Coachbuilders who produced bodies for Phantom I cars included Barker, Park Ward, Thrupp & Maberly, Mulliner, Hooper and the Italian coachbuilder Zagato. American Phantoms could be bought with standardized bodies from Brewster & Co., which was owned by Rolls-Royce.

    info form wikipedia.org
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    Last edited by Duell; 08-04-2017 at 12:56 PM.

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    1927 Rolls-Royce Phantom I Ascot Tourer by Brewster #2

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