Lego Technic Soviet Tracked Vehicle BWSM 80

Three weeks of holiday in the countryside was enough to build this 60 cm model. There were several challenges in construction. Weight, the model could not be too heavy because it had to rise and ride on tracks. It determined the entire construction. I could not use too many PFs, a complicated suspension, fake engine under the hood, and details of the interior. The biggest challenge arose, how to use the two PF-L to master the drive in three variants. 1 Only wheels 2 Only caterpillars 3 Wheels and tracks simultaneously For a good balance, the motors and Battery Pack are at the end of the vehicle. In front of the PF L motors, there is a system of three gearboxes, two of them transferring the drive from the PF l motors directly to the caterpillars or to the rear wheels (one motor ) and the front axle turning (the second motor). The right motor, however, is attached to the second gearbox in front of the drive wheels of the caterpillars. With it, you can drive the right caterpillar &quo