engleski

Some Specific Aspects of the Transmissions with Non-Kinematic Steering System for High Speed Tracked Vehicles

Non-Kinematic Steering System is a specific way of transmissions for high speed tracked vehicles development. Starting from the use of simple clutches and brakes this steering system evolved into a new transmission system named Transmission with Independent Turning Radii (TITR) characterized by an exceptional compliance with the high speed tracked vehicle needs. The evolution of the Non-Kinematic Steering System has been following the line of the evolution of the requirements for overall vehicle characteristics, first of all speed and maneuvering ability of the vehicle. The track of the Non-Kinematic Steering System evolution is characterized by improvement of the efficiency, effectiveness and power density of different transmission solutions. The most significant use of this steering system and a variety of transmission solutions has been applied for Eastern Europe military vehicles. The TITR transmission concept was conceived and a transmission had been developed for repowering of the T 72 tank. The paper gives an overview of some different transmission solutions with non-kinematic steering system underlying the evolution process in their main characteristics – efficiency and effectiveness. It is pointed out the influence of the arrangement of the kinematic turning radii on the efficiency and the effectiveness. Field testing results of the effectiveness, i.e. ability to follow a path, of two different transmission solutions are compared, one of them being the TITR transmission. The testing results show the influence of a kinematic (fixed) radius on the stability and security in guiding the vehicle over a path.

Transmission; Tracked Vehicle

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