纽约的新船只
5月26日，在纽约市，成功测试了两名“无畏”的消防船，这是世界上最大的船只，完全证明了在消防装置中涡轮机驱动的离心泵的实用性。这些新船，“詹姆斯·杜安（James Duane）”和“托马斯”188金博网网址多少威利特，”这是第一个配备由蒸汽轮机直接驱动的新离心泵的人，正式审判非常成功，并且在建筑商的保证之前，Edward F. Croker酋长预言了建筑商的保证。离心泵不仅将取代旧活塞泵上的船上，而且还在消防车上。新船是由新泽西州泽西市的亚历山大·米勒（Alexander Miller）和兄弟建造的，这家公司还安装了所有机械。它们也安装了所有机械。在甲板上的每131英尺长，在水线上为123英尺。船体的宽度为27英尺，深度为14英尺。发动机是直接表演的，具有850马力的复合发动机。每条船都配备了高的船钢铁塔船尾，在上面安装了一个大3英寸。可调节的喷嘴。另一个和类似的喷嘴安装在飞行员房屋上方和两个甲板炮塔上。这些船的设计旨在为消防员提供足够的甲板和空间，因为唯一的预测是前锋，塔后的塔楼和两个用于软管连接的炮塔。建筑的细节很好地制定了，姊妹船是最好的消防工艺品。188金博网网址多少 The turbines and centrifugal pumps take up very little floor space in the engine room. The trial trip of these boats included running, maneuvering, and operating demonstrations under the supervision of Chief Edward F. Croker and “Admiral” John Kenlon, of the New York fireboat fleet, as well as representatives from the various builders.
During the trial run about the water-front the boats developed a speed of over fifteen miles per hour. Then the steam was turned on the turbines and the boats began to show what they could do in the way of throwing water. The first 3-in. nozzles on the Willett were opened at 175 lb. pressure at the pumps, the dial showing a nozzle pressure of 115 lb., and each nozzle was throwing 3,200 gal. of water, or a total of 9,600 lb. per minute. When all five of the big nozzles were opened, including those from the tower and the pilot house, the boat was throwing over 12,000 gal. of water per minute while moving ahead at full speed. The streams were gradually turned until only one nozzle was open and the pumps were connected in series. With the enormous pressure of 315 lb. at the pumps and 230 lb. at the nozzle a stream of water was thrown fully 400 ft. in the wind and to a height of nearly 300 ft. Over 4,550 gal. of water a minute were leaving the nozzle under this enormous pressure. At a later trial this stream of water reached nearly 500 ft.
