... 2.ABS,GL,BV,marine class certificate 30KN electric capstan The capstan is driven by electric motor,its mechanical part consists ... motor ,transferred to capstan shaft by four stages gears,the bearings and gears inside are lubricated by oil.3.Mounting ... plate,as a frame,when installing ,weld to connect base.The electric control system can control the electric motor of capstan ,its components is electric ...