A CENTER PIVOT IRRIGATION SYSTEM

摘要

An irrigation system is disclosed which includes a center pivot support havi ng an elongated main water boom pivotally connected thereto which extends outwardl y therefrom. An elongated extension boom is pivotally connected at its inner e nd to the outer end of the main boom and is supported by a steerable drive tower. A deflecti on sensor is positioned on the extension boom for sensing vertical deflection of the extension boom which is caused by relative movement of the main boom with respect to the extension boom. A control connects the deflection sensor with the drive for driving th e steerable drive tower upon the deflection sensor sensing a predetermined amount of deflection of the extension boom.