The convertible sedan was developed in 1938, but not mass-produced. The reasons included the scarce steel resources in the run-up to World War II and potentially low numbers in this segment. Photos of the model were found in the archives of the Opel plant in Rüsselsheim in 2008 .
There were a total of six prototypes, but they disappeared during the war. A print-ready brochure with technical information shows that the car was more than just a test vehicle . However, it is uncertain whether the model name would actually have been “Tramp”, since the advertising brochure only mentions a “Kadett two-seater”. Rather, the term "tramp" that was found on the archive photos was a company-internal nickname.
The technology of the Kadett KJ 38 was hidden under the open, self-supporting body . The 1.1-liter four-cylinder engine with vertical valves developed 23 hp (17 kW). The power was transmitted via a three-speed gearbox and a cardan shaft to the rigid rear axle suspended from leaf springs. The rigid front axle came from the Opel P 4 . According to the prospectus, the 755 kilogram car “achieved a top speed of 98 km / h. and a safe continuous performance on the motorway of 85 km / h. "
Rediscovery and reconstruction
After discovering the photos, the idea arose to recreate the car. The plan was implemented in 2008. Since there were no more construction drawings , the Classic department of the Opel factory reconstructed the car using the pictures and the brochure. A cadet from 1938, which had been purchased to carry spare parts, served as the basis.
During the reconstruction, the one-piece arched rear in particular was a difficult task for the body shop. For reasons of stability, the end is made from one piece. In order to get to the trunk, luggage must therefore be loaded through the passenger compartment. “Even the design and construction of the folding soft top without precise documents required a lot of imagination and technical understanding,” said Opel.
In order to determine the original color, the photographs were subjected to a gray value analysis. Color information is said to have been found later in archive documents. The reconstructors concluded that the "Tramp" was painted in strong red.
In 2009, the Opel Kadett Strolch was presented to the public and could be seen at the classic car meeting at the Opel villas. Today the car is ready to drive in the factory collection in Rüsselsheim and is exhibited at classic car events.