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Lancia Delta (1911)

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Motor vehicle

The Lancia 20-30 HP (Tipo 56), later renamed Lancia Delta,^[a] is a passenger car produced by Italian car manufacturer Lancia during 1911. The Delta was based on the earlier 20 HP Gamma, with an enlarged engine. 303 Deltas were made in total,^[1] before it was replaced by the improved 20-30 HP Epsilon.

The Delta was built with two wheelbases, normal and short. The latter was destined for competition-oriented Corsa models, to be bodied as open two- or three-seaters.

The Delta was powered by a Tipo 56 side valve monobloc inline-four engine with a cast iron block. Cylinder bore measured 100 mm (3.9 in), and stroke 130 mm (5.1 in)—up 20 mm from the Gamma's Tipo 55—for a total displacement of 4,080 cc (249 cu in).^[1] Output was 60 hp (45 kW) at 1800 rpm, and the car could reach top speed of 115 km/h (71 mph).^[1]

The transmission was a 4-speed gearbox with a multi-plate wet clutch. The chassis was a conventional ladder frame, with solid axles sprung on semi-elliptic front and three-quarter-elliptic rear leaf springs. The brakes were on the transmission and on the rear wheels.