The mechanical advantage gained by this machine depends upon the diameter of the winch drum and the length of the crank arms: the smaller the drum and the longer the crank arm the greater will be the mechanical advantage, and this can be further increased by incorporating gearing between the cranks and the drum.
Uncedo lwemekhenikhali elifunyanwa ngulo matshini luxhomekeka kwidayametha yegubu lesixhobo sokutsala sigubu kunye nobukhulu bezandla zomphambo wokujija, ukuba ncinci kwesigubu kukubande kwengalo yesiphambo sokujika kunye nobukhulu bencedo lwekhemikhali, lento isenokuqhubekeka inyuka.