The following text may have been generated by Optical Character Recognition, with varying degrees of accuracy. Reader beware!

April, 1909 'TAE Marine REVIEW Boxer AND BruIsER MACHINERY--ONE OF A TwiIN-Screw SET. for Stéain raising and the absence of vibration owing to the Thorny- croft system of balancing the engines, together with the stern lines of the vessel's hull, which prevented the propellers racing in choppy water, as exemplified in the "Daring," resulted in these principles being adopted in the later vessels. Advantage, how- ever, was taken to increase their di- Mensions. "lhe "Boxer was Z00 if over all by 19 ft, beam, and with a draught of 7 ft. 1% in. The propel- ing machinery comprised four cylin- der compound engines having cylin- dets of 19 in., 27 in. and two 2/-in: bore respectively, with a common stroke of 16 in. developing 4,500 horse- power. The armament comprised one 12-pounder quick firer, five 6- pounder guns, and two 18-in. torpedo wick firm for the tubes. On her trials this boat reached a speed of 29.170 knots (34.45 miles) per hour. The "Desperate," which formed one of a flotilla of six vessels of the de- stroyer class ordered from the Chis- British navy, fol- lowed the design of the "Daring" very closely, the -only important mod- ifications being increased dimensions, increased power necessitating the in- stallations of larger boilers and en- gines, the Admiralty stipulating for a speed of 30 knots, or three more: than that contracted for in the case of the "Daring." While fo secure this desired result more power was necessary, it was at the same time imperative that the weight of the vessel should not*be increased and consequently a_ reduction in the weight was effected wherever possi- ble. This end was achieved by the utilization of the new special steel that had been manufactured especial- Torpero Boat DestroveR DESPERATE (1896). First Boat To ATTAIN A SPEED OF 30 Kworts. Boat Destroyer ALBATROSS (1899) : KNOTS. or 8,000 H. P. at Fut Sreep 32.3 ly for this class of warship construc- tion, having a tensile strength of 38 to 43 tons per sq. in. This enabled all scantlings to be reduced without in any way sacrificing strength. The "Desperate"? had a length of 210 ft. with beam of 19 {t; 6 in, end @ draught of 7 ft. 2 in., the displacement ising 310 tons. The armament con- sisted of one 12-pounder and five 6- pounders, with two torpedo tubes. One advantage arising from the lines of the Thornycroft hulls for- ward and. which is greatly appreciat- ed by the officers and crew, more €s- pecially when traveling at full speed, is the dryness of the decks. This is attributable to the design of stem adopted and which as a result of con-_ tinued experiments has proved the most successful for preventing either