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. 22 THE Marine REVIEW " 2 Gas Pipe x 2i4'x 4.5 Ibe. " oe x 24's 4.5 Ibs. "x 2Y.P, 35 lbs. 3'x 214 x 4% Ibs. " " a6 8 x 244 x 4.5 lbs. a" Gas Pipe 8.5 * 714 W.0 . 3.5 lbs. a" 1% Iron 12.5 Ibs. 21g's 2146's 6.5 x 214 Y.P. 77 8 Ibs. " " x14 4g! x 214"x 414 7.5 Tbs. 718 Ibs. 234s 234 x 4.5 Ibs. 12,5 Ibs. 3"x 214'x 4.5 Ibs. eee Ibs.& 9.6 Ibs. x 236 x 6 lbs. TB U8 -- oy6"s o14'x 4.5 Ibs, | SS 314x214 x5 Ibs. 3x 2% x6 lbs. 3"x 234' 5 Ibs, : ox 236" 6 Ibs. 1 wap. 29% 274 * Ibs.& 12.5 Ibs. * Basé line 18 lbs.& 10.5 Ibs. MARINE REVIEW "5 214 x 5.5 here 14.5 Ibs. x2%x lbs. > ee Bs Ibs. 15 lbs.& 12.5 lbs. 84 x 236 x 5 lbs, MIDSHIP SECTION REVENUE CUTTER NO. I5. 6 gallons capacity each, and an ordnance room; and aft of this vertical, inverted cylinder, direct-acting, type, each having "space isa storeroom for small stores. On each side of the one high-pressure cylinder, 8 in., one medium-pressure cylinder, fre room compartment, extending up to the main deck, are 13% in.,and one low-pressure cylinder, 22 in. in diameter, the the coal bunkers, of about 70 tons capacity. A water tank stroke of all pistons being 18in. ThelI.H.P. of these engines z 9 E , t fnlet 3 30) 6 : ioe 434 Hand hole » cae 8's 2 Stay cord i: sal " 2 7 ;: we : ' 5 2 = : tay 7 Inlet Maia cnaust 7 Main -- 3 Afr cock eS ree ee ga x AS S <a) exhaust By Ze twine grommet 3 9" Zine a . No.8 B.W.G. Sse oan Ea es : oe = * oug. " oe a 7 Bitte SOLDER OR Opn Or Nae 7 Disoharsd = 5 Hand hole 5 Hand hole a Drain 7 Discharge " : V AFTER ASSEMBLING 34 Drain - 5 Suction to air pump~ a 1 Thick on this end Pitch circle and studs to conform to standard 8 pipe flange. Oo s " 5% Jack' bolt O : a O| 1g. wt O° on A-B looking to wards the covers O/. " O7 ¥ Fillett Zine plate on all hand hole plates 8 13, on heads except two lower ones Vy" Seed e on division plate end. Ss 10 a 2) Omit collars on Fit studg at nozzle ey 48 x 2 e ie ee n" 46 Studs 54'Studs 6 an? Rivets SARK Cosine | Nae ® e 'alternate bolts. Sy , ~ [=A a Le A ere | LE one La ~4 SIZE FLANGE EDR TEEL,FLANGE FOR STEEL FLANGE FOR 5S if 8' OPENINGS a ~ BYOPENINGS 2 cee : By Pp 3° Studs Poa 72 Studs 1g Studs od " 34 Rivets ee 9g Rivets 34 Rivets 23 Horizontal web on 8 Dowels on 1 eb e go Pitch 8 pentres division plate end to division, plate end, " sip | eae measured on inside of shell. follow Deokes Une: a Mg Siar SECTION Indicated horse power ----_____ 600 e gy gy = THROUGH HEAD Number of tubes--_________ 858 |STEEL FLANGE FOR STEFL FLANGE FOR VISION PLATE a umbe! - i 2 OPENINGS 4M/OPENINGS STEEL FLANGE For DIVISION OND HAND HOLES Cooling surface, square feet, _________840 ! 4'OPENINGS Square feet cooling surface per I.H.P. 1.4 ad aS Area of circulating water inlet and discharge_38.48 MARINE REVIEW _ MAIN CONDENSER REVENUE*CUTTER NO, I5. of 2,500 gallons capacity is worked into the after end of will be about 600 when making 220 revolutions per minute. each bunker. The main valves are of the piston type for each engine, all worked by Stephenson link motion with double bar links. Each main piston has one piston rod with a cross- MACHINERY. There are two triple-expansion propelling engines of the