TheRadialwinchdrumsgrippingsurfaceisshapedforeachwinchsizeanddrummaterialandfeaturesdiagonalribs(ratherthantexturedabrasivematerials)tomaximizegrippingpowerandgreatlyreducelinewear.Theself-tailingmechani***onthewinchmeansthatonecrewmembercanquicklyandeasilytrimorraisesails.径向绞车卷筒夹持面形各绞车的大小和鼓的材料及特点斜肋（而不是粗糙的研磨材料）夹紧力大大降低线磨损。自尾矿在绞盘机制意味着一名机组人员可以快速而轻松地修剪或提高帆。)