喷水式驱动装置
Water-jet Drive出 版 物:《船艇》 (Ships & Yachts)
年 卷 期:2006年第3期
页 面:40-42页
学科分类:081901[工学-采矿工程] 0819[工学-矿业工程] 08[工学] 082402[工学-轮机工程] 0824[工学-船舶与海洋工程]
主 题:驱动装置 喷水式 螺旋桨 发动机 快艇 驾驶 游艇 操纵 航行
摘 要:If you have ridden on a Fast Ferry(one that runs at speeds that may reach 50 knots),operated a JetStick-controlled Hinckley Pincnic Boat,run an outboard with no visible propeller or dirven a Personal Watercraft(PWC),you have been water-jet propelled. A water-jet drive provides a number of advantages when compared with the conventional screw *** absence of propellers,prop shafts,support brackets and rudders reduces drag,making jet drives particularly efficient at medium and high planing *** the drive train can be contained entirely within the hull,a jet-drive boat can,when necessary,operate in water only a few inches *** water jet’s ability to propel a hull without an exposed propeller is what makes the PWC practical and can be a significant safety factor for people swimming near a boat,as well as for marine life.