To sec 田 ・ e a safe anchor riding under stomy weather , the captain judges to use both bOwer anehors for rehlfbrce the hold 三 ng power or judges to use a s glo anchor with dropping anothor bower as a short − scopo anchoL If the swhlg control of a sbip can be done , the power of wind pressure can be reduced . The4 the ship wiH mainta 血 asafe anchor riding . Training ship Fukae − man ユ , the faculty of maritime sciences Kobe University , adopts CPP ( Controllab 匪 e Pitch Propeller ) as a propu 豆

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... ion system So , she can control the propeller thrus ち ahead and astem , easily . Various experiments abouUhe swing control of a ship were done by using astem