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46 MARINE REVIEW January, 1927 — M. S. West HonaKer—At left—Emergency lighting compressor set operated by a Mianus diesel engine—At right—Two-ton York, ammonia refrigerating machine operated by a Diehl electric motor at 285 revolutions per minute in Table III on this page. Saving in fuel cost over the original steam drive is of course the outstand- ing advantage of the diesel installa- tion. The direct saving in fuel cost, however, is not the only advantage of the diesel engine. The diesel engined vessel has a somewhat increased cargo capacity, increasd fuel storage capac- ity, with a very greatly increased steaming radius and decreased per- sonnel. In addition many less well de- fined claims are made such as greater reliability, lower maintenance cost, greater flexibility, and stopping of fuel consumption when engine stops, which is not true of a steam engine. In an actual case of a vessel simi- lar to the WEST HONAKER, tests were made first with the steam engine and oil fired boilers, next with diesel main engine and steam driven auxil- iaries, and third with diesel main en- . gine and diesel auxiliaries. In the TABLE II West Honaker Conversion Costs EMSTALAEIONS oo seccccscssesacascoseccess $265,090 Special alterations 137,410 Main engine, including spares.... 228,550 Deck machinery, including steer- , ing gear, motors, control and ' Pes 0} Cause ie, eet k urine a pre An Rm tn 29,320 Engine room auxiliaries, includ- ing engines, generators, pumps, coolers, switchboard, cable........ 68,000 Rees dic. ies ave ussbvoterscvecenooe 26,200 Equipment and outfit 25,000 Engineering, purchasing, inspec- tion, traveling. freight, extras, trial trip and_ incidentals........ 22,000 first case one cent’s worth of fuel transported one ton of cargo 43 miles; in the second case one cent’s worth of M. S. WEST HONAKER—INDEPENDENT COMPRESSOR UNIT—A 400 BRAKE HORSE- POWER 4-CYLINDER McINTOSH & SEYMOUR 4-CYCLE SINGLE ACTING DIESEL ENGINE OPERATES TE COMPRESSOR AND ALSO A 75-KILOWATT GENERATOR fuel transported one ton of cargo 96 miles, and in the third case, which is the’ case similar to the converted West HONAKER, one cent’s worth of fuel transported one ton of cargo 163 miles. During three hours and a half on the full speed run when figures were taken for the fuel oil consumption, the total was 514 gallons which is ap- proximately 147 gallons an hour, or for the distance covered at the rate of 14.3 gallons per mile. For this same period the revolution counter showed 20,071 or approximately 40 revolutions to a gallon of oil. West Honaker’s Equipment The WEST HONAKER has accommo- dations for 14 passengers, with com- plete service, in line with modern shipping practice. The galley equip- ment includes a modern oil burning range and an electric refrigerator. The passenger accommodations are on the bridge deck where also are located the dining room, the gyro-compass room, chief engineer’s quarters, and rooms for the other engineers, electri- cian, motorman, stewards and others. On this deck also are the galley, radio room and hospital. The main engine has six cylinders each 82 inches in diameter with 60- inch stroke. The engine drives the shaft which carries a four bladed built up bronze propeller. This propel- ler is 17 feet in diameter and has a pitch of 13 feet 6 inches. The thrust of the propeller is taken up by a Kingsbury thrust bearing. All of the diesel units are cooled with salt water. The speed of the main engine is 95 revolutions per minute and of the 400-horsepower compressor unit is 200 revolutions per minute. The two auxiliary engines have a _ speed of