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24 : : TAE Marine REVIEW = if e Rivets 114" Drilled Holes ° ° Pressure____ 200. Ibs. Heating Surface__296.8 */ S % 1" Rivets Grate ne 5 ier Calorimeter--____1.5 "* 11) Drilled Holes HS. + a ere : G.S. + Cal.-- Cast Steel "Pipe, 416" 814" 5g" fy" Rivets 34" Drilled Holes Cast Steel Upset to 2/4 at Ends Cast Steel Cpe Ee 1" Rivets 1}/;' Holes -- ey JOOOGOe OO0000% FOOCOSGON-Y o OO00o! OOO \ 00! iy OO" 41 OO; Saws ies Saag. Sees a a ee el Se a eee 1" Rivets, ye Dr'lled Holes For Comb. Chamber and Furnace © 11¢"Serew Stays 12 Threads MARINE REVIEW f FURNACES AND BOILERS OF REVENUE CUTTER NO. I5. feed pump, and one distiller circulating pump, fitted to take water from the sea and discharge through the distiller, into the fire main, or the flushing system. A steam steering engine-is located in the after part of the upper engine room, where it will be readily accessible at all times. being supplied to the ash pits of the main boiler. This fan is also connected by ducts to the various compart- ments of the vessel, being arranged so as to ventilate these compartments either by forcing air to them, or exhausting air therefrom. - : : N f DOG eee ine ee nats are U, Sek Cutter, No. 15 There is one water tube boiler, about'9 ft. 3 in. long, 11 Total HP. and displacement 220...) mi atss 600 TH. P, Disp. ---- Z in. i ht i : ype and number of engines............. riple Exp. Dir.-Acting, 2 engines ft 9 5 wide, and 11 ft high measured over the cons Diam. of cylinders and stroke.... . ............. 8" and 13%"' and 22" x 18" This boiler has a total grate surface of 75 sq. ft., a heating We OSE core cs ee te or eee es Stephenson link @onnecting fod. ase ie ee ee 42"' between centers surface of 3,105 sq. ft., and is designed for steam pressu-e of 200 1b. per sq. in. -. There is one single-ended auxiliary or donkey boiler of SCALE OF VALVE CIRCLES--DOUBLE SIZE hoe. Ir. Lee , : Eccentricity ...006ose0s00.: 19 156" 15%" the horizontal return fire-tube Scotch type, designed for Travel of valves. oe Be Be ye z . Y Ind an O..OL Valves i. 0% Iston iston istons Loree . - Ib. a sq. The shell fe tf: Side of valve on which steam a8 sae a in. diameter, an ' in. long, with on tru: sus- AS (AKON eos hors a ee utside utside utside 4 : ae 7 } 3 oe eas rupgate ° 'Top. Bet. Lop Bot. Top ' Bot. pension furnace, 30 in. diameter, and 5 ft. 10 in. long. This Diameter of valves......... 4y%"' 63" 74" - . WANDS Sees Pipe ane yo e yu" o 34" %"" gives a grate area of 12.5 sq' ft., and a heating surface Exhaust lap eo som ih ait 458" +116 ae i i i Angularadvance::...2 75.54. : 0 20' 25' of 296 sq. ft; The pipe connections between the main a fend § anetilar te go. 120-20' 90 120-80 70-45' 130-45' boiler and the auxiliary boiler are so arranged that the aux- ae Linear os ; ee, sr : 132 ae iliary boiler can be cut into line with the main boiler, and used Gut Phin Dee ehsicka alr oe oe es Saat ag for steaming purposes, if so desired. There is one smoke pipe - 718 Exhaust release in inches. .|16 7-16"- 16 7-16"+ 1644"+ 16 9-16"+ 1634"+ 1634"+- Ex relea:ein Dec ofstroke| .912 915 917 922 =. 931 981 for these two boilers, 4 ft. 3 in. in diameter, and 48 ft. high. Comp-ia inches.,.... .... D7e 4 Vg Tee == 19042 8-16" 254" = : : Bane ; Comp. in Dec. of stroke....| .091 092 -097 .098 = .121 "OL There is one evaporating and distilling plant, located in Steamopenive 2 %" " y" Veo ey ge Exhaust opening........... Full Full Full Full Full Full the lower engine room, having a capacity of 1,700 gallons of potable water per twenty-four hours. This evaporator is also piped so as to be used for a feed make-up if so Velocity ae a in ft. per 60 ft. per min. . sec. at 220 revs. per min 594 O17 102.1 89 131 114 Velocity of exbaustin {t. per : desired. The vessel is lighted throughout by electricity, sec. BE ood eee nar nin 46 719 102 the current being furnished by one steam turbine driven Daipety o! exhaust to con- e . « Ria ae eke erg ee eet rae at B iy bs Gn cri eve Go EMO MC ala eee eh tte tray ela ce teieticee 66 9} generating set of 20 K. W. capacity, with 125-volt pressure at the terminals. The wiring is of two-wire feeder system, Displacement in salt water to -5'-0"' water line.................. 408 tons run in steel enameled conduits in the engine and fire room Oka con CapaCve i Le ee ee hn kas 47 tons : i : INGrmmabGOah Sap ply oh a 25 tons compartments and in approved molding in all other parts qotal He pice ae py ODEs tsteescvestasenen teas teasers 8,200 gals. Ol Ma lies Water BUDDY vce ee ee 2,400 gals. of the vessel. There are two 5-ampere enclosed arc lamps ae oF midship peciion tethe O.d. mater pe oe yess: 143.54 sq. feet : : : rea of immersed longitudinal section to the -5'-0"-W.L...... 693.46 sq. feet in the engine room and fire room, and 160 incandescent Area of the 5'-0"' water plane..... eH Se Ce woh) So ees 3,345 ay feet lamps throughout the vessel. There is one night signal- Wetted sutiace tothe 5 0') water ling... ..........0.-003-: 5: 4,366 sq. feet : ; Tons per inch*of immersion-5'-0"" W. Li. 2c. a 7.96 tons ing apparatus or telephotos, the lanterns being suspended oeticmenl i migshin section. 6.6.06 6s kha 0.937 : : ; sACOemicrent Of the oc0e WW ek oe. 0.735 from an outrigger on the mast, and the combinations be Coeticiont of Maplacemettt vic? 6-42 ic iesia se yiesk acne syes: 0.644 ing controlled by a keyboard on the bridge. An 18-in: Frame SDACGG ge aoe ee iy 24 in. : 4 : PBCtON Spaced {re Fe ee eee Tee : 10 feet, searchlight or projector is located on the forward part of Water ine cpacee ae ee 12 in. the bridge. A complete outfit of hand portable lights, cargo clusters, and 1-12-H. P. fans, is also installed. There is one steam turbine driven blower or fan _ in- stalled in the upper fire room for forced draft, the air The Martin Dredging & Wrecking Co., Escanaba, Mich., has purchased the tug Kate Williams, of Manitowoc, and will station it at Escanaba.