According to the Polish engineer Jack Skopinski,people who are wheelchair bound do not have to give up off-road walks. For them, the inventor has created the transport system EV4 Mountain Cart, which allows people with disabilities to move in places where there is no road.
The user becomes the platform operator,resembling a quad bike. It is designed for active walks on the slopes with grass and roads with soil. Real off-road for the EV4 Mountain Cart is not yet available. On the rear wheels there are electric motors with power up to 1000 W, powered by a 36 V / 23 Ah battery. A full charge is enough to walk 50–80 kilometers for 3-4 hours. The maximum speed - 40 kilometers per hour.
Wheels - powerful, with hydraulic braking,with a diameter of 20 inches and tires 20h2.125 from Kenda. On each rack of the chassis there is a bicycle shock-absorber. Data on systems are displayed. There is a seat belt. The device can withstand weight up to 130 kilograms. No rain protection yet.
EV4 Mountain Cart is ready for retail. The cost of new items starts at $ 5,285.