The Phantom I is the second model in the Rolls-Royce 40/50 hp line. It was originally and even now correctly referred to as New Phantom. (The long production previous model, in numbers and number of production years, was the 40/50 hp model known affectionately after the most famous Barker bodied Reg No AX-201 as the "Silver Ghost". Other 40/50 chassis were also given names such as Silver Rogue etc. too). So to differentiate that now there was a new 40/50 hp model the word New was prefixed to the Phantom name. With the introduction of the third 40/50 hp model named Phantom II, the New Phantom name caused confusion so it was called, retrospectively and perhaps without official sanction, Phantom-I. Like the famed Ghost, the Phantom was constructed both in the United Kingdom and United States, with the US model trailing the UK by one year on introduction and two in replacement.
One major improvement over the Silver Ghost was the new pushrod-OHVstraight-6 engine. Constructed as three groups of two cylinders with detachable heads (state of the art at the time), the large engine produced excellent power to pull the large heavy car. The engine used a 4¼ in (107.9 mm) bore and long 5½ in (139.7 mm) stroke for a total of 7.7 L (7668 cc/467 in³) of displacement. Aluminium was substituted for cast iron in the cylinder heads... Read More