Vaderstad uses ultrasonics to monitor drilling depth

Swedish drill maker Vaderstad has announced that it will offer ultrasonic drilling depth control on its Rapid A600 and 800S drills.

A sensor takes continuous depth readings from a metal plate attached to the coulter frame. It feeds this information to a controller in the cab and then to a hydraulic ram that gives on-the-go depth adjustment. It means that the drill can automatically compensate for varying seed weight in the hopper as well as differing seed-bed conditions.

Väderstad Spirit drills will also be available soon with electronic or mechanical half-width drilling capability. A new model, the 600S XL, features two distributor heads and has a 3900-litre tank similar to that on the Spirit 800 and 900 models.

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