Drive Trains  
TWIN TRAK-Hybrid system

TWIN TRAK ™ is a parallel hybrid drive consisting of an electric motor as the main drive and a low-horsepower petrol engine (plug-in hybrid). The latter supplies basic power which just suffices for uniform driving on overland sections. The electric motor then controls the dynamics and allows the brake energy to be recovered. The TWIN TRAK™ manages without a shiftable transmission and thus represents the simplest possible hybrid configuration.

The TWIN TRAK™ was developed with the assistance of the BfE (Swiss Federal Energy Authority).
Detailed information is provided in the following article, published in "Electric & Hybrid Vehicle Technology 96" .
TWIN TRAK - a compact hybrid drive (PDF file) Get Acrobat Reader
Twin Trak-Hybridsystem Twin Trak Hybridsystem
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