Theoretically, the minimum effort is required when the rope dips at an angle of about 52° to the horizontal, but for practical purposes this angle can be kept to between 35° and 70°.
Igcingane, ubuncinane benzame ezimeselweyo xa intambo inxuzwa kwi-engile ebungango 52 bokuthi tyaba, kodwa ukwenziwa kokuthile kwe-engile ingagcinwa phakathi ko 35 no 70 wamaqondo.