Opel 29/70 hp

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29/70 hp
Production period: 1914
Class : Upper class
Body versions : Touring car , limousine , Pullman limousine , landaulet
Engines: Otto engine :
7.5 liters (53 kW)
Length: 4900 mm
Width: 1900 mm
Height: 2300 mm
Wheelbase : 3535 mm
Empty weight : Chassis: 1200 kg
Previous model Opel 28/70 hp
successor Opel 30/75 hp

The Opel 29/70 PS was an automobile of the upper class , which the Adam Opel KG only in 1914 as a successor to the model 28/70 PS built.

History and technology

Unlike its predecessor four years earlier, the 29/70 PS was no longer the most powerful model in the Opel model range at the time, but was nonetheless a luxury class. The top model of the range at that time was the 40/100 hp model .

Like its predecessor, the 29/70 hp had a side-controlled four - cylinder block engine , but with a displacement of 7464 cm³ (bore × stroke = 120 mm × 165 mm). The output is 72.5 PS (53 kW) at 1400 rpm. specified. The other technical data were unchanged: the engine was water-cooled; a centrifugal pump provided the cooling water. The engine power was transmitted to the rear axle via a leather cone clutch, a manual four-speed gearbox and a cardan shaft . The top speed increased to 100 km / h.

The two rigid axles were suspended from semi-elliptical longitudinal leaf springs on the sheet steel U-profile frame. The service brake was an internal shoe brake that acted on the cardan shaft (predecessor: output shaft of the transmission). The handbrake was designed as a drum brake on the rear wheels.

The car was available as a four-seater double phaeton or as a four-door landaulet . The bodies were new at the customer's request. B. order a limousine , a Pullman limousine or mixed forms of the aforementioned body variants. The cheapest option (double phaeton) cost RM 15,200.

The production of the 29/70 hp was stopped at the end of 1914 due to the war . It was not until 1919 that a comparable successor appeared again with the 30/75 PS model .

literature

  • Werner Oswald: German Cars 1885–1920. Volume 1. Motorbuch Verlag, Stuttgart 2002, ISBN 3-613-02211-7 , pp. 281-299.