The disadvantage of this system of stabilisation, apart from its complexity and weight, is that the effectiveness of the fins depends on the ship's forward speed through the water.
Ukungabikho koncedo lwesisixokelelwano sozinzo, ngokwahluka okusuka kudibaniso kunye nobukhulu, kungokuba uchaphazeleko lwephiko lwentlanzi luxhomekeka kwiinqanawa eziphambili phakathi kwesantya samanzi.