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Vibrosize is a truck mounted mass weighing several tons (20÷30tons) that creates a vibration induced by a hydraulic circuit. Vibration frequency is in the range of 10 ÷ 100hz (100hz noise is equivalent to the noise generated by a motorcycle, farm tractor or jackhammer) and the duration of the impulse is circa 15"; vibration points usually have a spacing of 50m.
In the pictures are represented Vibrosizes in action during the crop season for the purpose of illustrating the eventual impact.