Figure 8

Time of boom displacement and boom stabilization in the vertical plane (speed—6 km h−1, without an air sleeve): A—point of contact between the tractor’s rear wheel and the obstacle, B—point of contact between the sprayer unit’s wheel and the obstacle, C—point at which the sprayer boom was stabilized, t1—time directly before the tractor's rear wheel came into contact with the obstacle, t2—time interval between points at which the tractor wheel and the sprayer wheel came into contact with the obstacle, t3—time of unstable boom operation after the sprayer wheel came into contact with the obstacle, t4—time of stable boom operation.