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112 Lakes tugs have the diesel engine drive. Four ocean going tugs are fitted with diesel-electric drive. Two tankers and five dredges have the diesel-electric main drive. It will be noted that the diesel engine main drive has been adopted in increasing numbers for smaller tankers, though there is one large tanker of 13,300 tons deadweight which will be equipped with this type of power. A steadily increasing number of tugs are being fitted with direct diesel drive. The diesel electric main drive, for the building program of 1924 has been adopted in tugs, small tankers and in dredges. Analyzing the entire list of new vessels for type of main drive we find that nine passenger vessels and one freighter have steam turbines and reduction gears and oil fired boilers, that 30 vessels of various classes and sizes have reciprocating steam engines and coal fired boilers, that 28 vessels of all classes have recipro- cating steam engines and oil fired boilers, that 21 vessels of different classes and sizes (not including any passenger vessels however) have diesel engine main drive, and 11 tugs, tankers and dredges have diesel- } Name and Service Edward J. Berwind, Great Lakes * Penna. R. R. N. *Qil or Electric Drive WUTTTETUTUTUTETUUCTUUUOUOUOUOUUNUUOUOOOOOEOOOUOTOOIOTTTTOTTTTTTTTTVTITITTTTTTTTTTTTTTTNTTTTIUUUTOUUTUUOTOVUUOTOQOOOTVOTOTOCUTTTOVITTTIT/TIVTITUTIIIUILULULOLUUUHUDUULLOOCOLOUOOUULOCLUGLLLOOOOOGLOOOOOOHTOOLIOAOOOGORCUOOLACHLUOUULULLULUROOLUCUOOCODUOOOCOOUOUOOUOOOEOUIIVTITVTVOITOTITIOTOTIDLIUULLRRLULULELECLUDLDLLUUUUDULLLUUULCUULUUUUU0UUCUUDULGLeCCOCOLLooLou al MARINE REVIEW SII DISTINCTIVE SHIPS AND WHERE TO FIND THEM Passenger Ships Coamo, Coasiwisé .. 2. 2.5... Bienville, Coastwise............ Alexander Hamilton, Hudson River...............-+: soe Cherokee, Coastwise............ Robert E. Lee, Coastwise........ Hawaii, Hawaiian Islands..... District of Columbia, Chesapeake Bay.......:....:.-6. +05: Cincinnati, Mississippi River... Catalina, Catalina Islands...... Greater Detroit, Great Lakes. .... Malolo, San Francisco— Hawaii Coe te) eae feu wa especie Se wiies ne ene) else eure nel @n ye Dera ee SEAT IPT SECS ee PACU he Oa pau aan LS nabatd PRCT AEST ae BRS Fa ep ACIST Mel oe Mest kk Wek er Joma a Aah aed Saray) Sita Cte abe eer eet mena ares ene eave hel iw cere eh wa ene ® Freighters El Oceano, Coastwise........... eiiteiiy Otel Cercie's eps. KaCce,-er enlace: etrecce can @2:@rene) Ae 5 820) Ferries EL Paso, Car Ferry, San Francisco Bay... =. 8 Edward Riegelman, New York Harbor ............-...... Pere Marquette, Car Ferry, Great Lakes... .. 2. 0 Tankers * Rome Socony, Bay and River... Priscilla. Ocean: * Hawaiian Standard.......... Tugs "Van Duke 3; Ocean and Bay... 6 a 9. 10, Ocean and Bay... Sailor, Western Rivers......... Clea wees friar er beeen eee tery ar wee Sekat eee Wet Yate eae et ud ct Teer key Meer eet Miler} Special Types Greenbrier, Western Rivers...... *Clackamas, Dredge, Portland... Complete Shipyard Record...... ieee iter Yair Yet Tear aun Yan Toye User hoor tee fuer Wit Ten Per beer lowe Denn Ge aon AC Tak pa | Yee Gee Seen int Soa Week bake ar ink Teel Get Leot eae er Meant peed eat RON Jeaey Sek Bight 7d § Be MM LLLSCCLLCLCLLLLCDLLLLOLCLLOLLLDCOGLOLLLLROCULOCOCCOOOOMCOMARLLALCLLRCCRLULLCUOCOLECUUOOOOOGOOOOOOOOOOOOOOOOOLUUTUUOOQUUQQOCOOOOOOOOOOOOTSTOTTOI MI HUITUPOUTUUOOOCOTTGTOTTTEATIONTRITTIUOTOOTTOTTITTTITNNTTTTTTTTTTTTTTTTTTUUTTTTTTTT TTT TTNTTTTTTTTTTTTTT TOTTI April, 1925 electric main drive. Listing these for convenience. Steam turbine oil burning ..........--.ess eee eees 10 Steam reciprocating oil burning ....-....-..+.+++- 28 Steam reciprocating coal burning ........--..++.+5- 30 Diesel engine direct drive ......---es+seeeeeereee 21 Diiesel-clecthic. (250s Coes ee eee 11 Pehite-Glecibic 4 es Coc es 1 One not classified tal oe a es ee ees 101 Steam power therefore is still represented as the main drive in 68.3 per cent of all the vessels under construction in American shipyards in 1924. Of this number a little more than half burn oil. Or putting it another way, of all the vessels under consideration 36.6 per cent are steam driven, burning oil, 31.7 per cent are steam driven burning coal and 31.7 per _ cent are diesel or diesel-electric. These percentages relate to the number of vessels in the three classifications and would not apply at all to comparative tonnages. In tonnage figures the diesel and diesel-electric would be very considerably reduced. & 2 146 AMiimnmmnnnnnnnnnn MMMM