. The railroad and engineering journal . s Company, at SouthNorwalk, Conn. There are twoof these compressors, each ofthe same size, and they are nowcompleted and being put into theship. Each compressor is of The intake air cylinder is28 in. in diameter, and the com-pressing cylinder \^y^ in. Theordinary pressure will be from100 to 150 lbs., but there is asupplemental cylinder by whichthe pressure can be carried to2,000 lbs. if needed for torpedoor other service. The machinesbeing for ship service, are ne-cessarily made in compact form,and are only 14 ft. 4 in. long and8 ft. 4 in. wide.
. The railroad and engineering journal . s Company, at SouthNorwalk, Conn. There are twoof these compressors, each ofthe same size, and they are nowcompleted and being put into theship. Each compressor is of The intake air cylinder is28 in. in diameter, and the com-pressing cylinder \^y^ in. Theordinary pressure will be from100 to 150 lbs., but there is asupplemental cylinder by whichthe pressure can be carried to2,000 lbs. if needed for torpedoor other service. The machinesbeing for ship service, are ne-cessarily made in compact form,and are only 14 ft. 4 in. long and8 ft. 4 in. wide. The Terror has four rifled guns, andthe entire service of loading andelevating the guns, turning theturrets, taking up the recoil andbringing the guns again into battery will be done by compressed air. The advocatesof this method claim that by reason of its great elasticitythe air will do this work with less strain on the vesselthan when hydraulic power is used. The compressed air will also be used to refrigerate a. ian Head, on the Potomac. In the heaviest charge thisgun used 239 lbs. of powder, giving a pressure of 15tons, while the projectile had a muzzle velocity of 2,116ft. per second. This is the best result obtained so farwith this class of guns. The fourth loin. gun for the 2S6 THE RAILROAD AND [June, 189I same ship is about finished at the Washington Navy Yard,and will shortly be taken to the proving-ground for test. The Board appointed by the Secretary of the Navysome time ago to consider the best methods of fittingarmor to ships has made an elaborate report accompa-nied by a number of drawings. This board consisted ofNaval Constructors Phillip Hichborn and J. J. Wood-ward, and Professor R. R. Alger. Among the pointsconsidered in the report are the design of the bolts in-tended to secure the armor, for which it is proposed to usea thread of a new pattern. Other points are, the bestmethod of handling the plates by floating derricks in thecase of s
Size: 1193px × 2094px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectrailroa, bookyear1887
