A right-hand offset disk harrow has front longitudinal/side reactions3.0/2.5 kN and rear3.5/4.0 kN. Gang centres are2.5 and4.0 m behind the hitch. Find required offset in m (two decimals).
The gang side reactions oppose each other, giving net yaw moment4.0(4.0)−2.5(2.5)=9.75 kN m. Total longitudinal pull is3.0+3.5=6.5 kN. Its lateral offset must balance that moment: e=9.75/6.5=1.50 m.
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