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Dr By D.E.M. Appid Date 4-14-27 Vessel 54 Comes Outside of Chart It is possible to make a direct com- parison to show the saving accom- plished in the reduced cost of fuel consumed per mile. This by no means represents all of the saving. Through the work of the committee the effi- ciency of the personnel in all its duties has ,been improved. There is now a healthy spirit of rivalry leading to better care and operation of all ma- chinery and greater skill in naviga- tion. The type A Hog Island class of freighters listed in the accompanying table built as a measure of war have proved to be good ships of their kind. A block of 20 were sold and are now being privately operated. Others have also been sold and most of the remainder are in service for the ship- ping board under private management. These ships as can be seen from the accompanying illustration are of the three island schooner rigged type with poop bridge and _ (forecastle. The length overall is 401 feet; length be- tween perpendiculars 390 feet; beam, 54 feet; depth 32 feet; load draft 24 feet 53/16 inches; deadweight, 7815 tons. A single screw is driven by a Ch. H2 4 Observed Speed Knots General Electric, Curtis type turbine and reduction gears, with steam sup- plied by three oil burning Babcock & Wilcox watertube boilers. The improved performance in re- duced fuel consumption for the ag- gregate distance traveled and hours in port during the six-month period July 1926 to January 1927 for the entire fleet listed in the accompanying table, based on $1.74 as the price of fuel oil per barrel, amounts to nearly $400,- 000. This figure may be arrived at as follows: Distance traveled 1,755,969 miles; hours at sea 171,178; hours in port 158,263. Fuel in pounds per mile, 239.8; average speed, 10.26 knots; fuel per 24 hours in port 25.06 barrels. The above applies to the last six months of 1926. For 1922 the Hog Island fleet of freighters averaged 264.2 pounds of fuel per mile; the average speed was 10.28 knots and the average fuel per 24 hours in port was 39.70 barrels. Subtracting the average fuel used in port for the two periods we have 39.70 — 25.06 =— 14.64. MARINE REVIEW—May, 1927 14.64 X 158263 24 $167,800 saving, in port. Similarly subtracting the average pounds of fuel per observed mile at sea for the two periods we have 264.2 — 2389.8 = 24.4 pounds. Then 24.4 1,755,969 3 x 1.74 = $220,500 338 saving, at sea. Adding these together $167,800 + $220,500 = $398,300 as the total saving for distance run and time in port during the six-month period July 1926 to January 1927. The last six months of 1926 also showed a saving over the first six months, of the same year of $54,237 for the distance traveled and $39,188 for the time in port or a total of $93,425. That the speed should be maintained and the fuel consumption be reduced as indicated above for ships now seven to nine years old is a eredit to the mechanical features of the vessels, to the officers and men who run them, to the shore staffs of the companies that manage them, and to the fuel conservation committee for its practical advice and supervision. Then LASS 15