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January, 1914 THE MARINE REVIEW 31 Sony ae o------ iy og Aedes 1 a age ere as es ce oe eS : e elf a 5 at ey OS he Ce RU ae ia ea ee (ek i ee newer oe ee ee ---4b---- Ree sabe Sr ' Ji.-=-1- t soot ° isos { @ e o eoej|ec'le er et Te ee a weet ctor te a ee Serre eas Y ------ btesgebedis - e ©e ee 4 ® e e een Y fe iy ee a eh eee ee ose eee | eae ae ' Pear a 1 See il See a oa Rae area enna ale ' ae Cis PA ie ae else el detain aha at $11 per ton equals $54,560, and trades or routes where bulky, light develop an I. H. P. hour on 1.35 Ibs. this multiplied by 12 equals $654,720 freights are the rule, and heavy, com- of good steam coal. This is equivalent for the year. Add to this $654,720, pact freights the exception, but no to about 1.5 lbs. per shaft horsepower $84,000 saving in wages and food and matter what the trade or route, the hour. Likewise the assumption as to $79,200 saving in cost of fuel and we Diesel-engined motor ship of this size fuel consumption in the case of the get $817,720, which represents the an- is a much more profitable vessel than, Diesel engines is 4/10 of a lb. of oil nual advantage of the Diesel-engined the steamship of the same dimensions. per shaft horsepower hour. Both as- motor ship over the steamship of this For the purposes of the foregoing sumptions are permissible only in the size. It is at once apparent how calculations the steam engines are sup- case of first-class machinery installa- much more money can be saved in posed to be economical enough to. tions. | ; : ; ; j Coed OE oe ee ee oe : a Wee ~~ -- SL et ear Ses ie hs e 4. ei i ee eb eee OSIRIS Te a "ee 6 10 ee © ; ; / | og Meet Dhar oe Leap feces ee a = it NS, SHOWING THE RELATIVELY GREATER CARGO CARRYING SPACE OF THE MOTOR-DRIVEN SHIP