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Y Y eh nye ye v 4, U) \ By, )) SS SSS SSS chooner for South Seas Details of New Three Master “Gilbert Islands” Equip- ped With Eighty Horsepower Bolinders Type Engine ILBERT ISLANDS, an inter- C; esting vessel of the auxiliary type, which rapidly is being adopted by shipowners throughout the world, underwent a_ successful trial trip in New York harbor, on Oct. 28. She is schooner rigged and has an 80-brake-horsepower, two- cyl- than a plain sailing vessel, but the auxiliary, when demasted at sea, can keep. On its course and work its way into port, thus preventing heavy salvage charges and, often, the total loss of the vessel and crew. Comparisons between auxiliary sail- ing ships and steam freighters as a AUXILIARY SCHOONER GILBERT ISLANDS inder, direct reversible fuel oil engine of the Bolinders type, thus retaining the advantages and at the same time eliminating the many disadvantages, of the ordinary sailing vessel. One great advantage of the auxiliary is the ability of the owner to command higher freight rates, since such a ves- sel, by means of its auxiliary power, is able to complete its voyages on schedule time irrespective of wind or weather; in several recent -cases, in fact, the higher freight rates obtained have enabled owners to make up the cost of the engine out of the profits of a single voyage. The auxiliary ves- sel is given precedence over the sail- ing vessel in docking, or in entering or leaving port, and towage expenses are entirely eliminated. Another great advantage is .the added factor of safety. Not only can an auxiliary vessel be navigated more easily in bad weather and dangerous waters ‘Australia, ae se = rf class result greatly to the advantage of the former type. While the aver- age speed maintained throughout a voyage is about the same for both types, the initial expenditure, deprecia- tion, cost of repairs, and the cost of fuel and labor, frequently are higher for the steam vessel than for the auxiliary. The weight’ of a. steam plant, and the amount of space it occupies, also are considerably greater than for the oil plant, thus resulting in greater cargo-carrying capacity for the auxiliary. Other advantages of the auxiliary are that there are no standby losses, or waste of fuel in raising steam, and also that such a vessel has a much greater radius of action without taking on a fresh sup- ply of fuel. Gitpert IsLANDS is owned by Tiy Sang & Co., fruit merchants, Sydney, and is destined for “the South Sea islands fruit trade, plying 435 By E. C. Kreuzberg between Sydney and Hongkong. She shortly will take on a cargo and will leave under her own power for Syd- ney. GiLBert IsLANDs, which is classed under the “Record of American and Foreign Shipping as A-1 for 12 years, has a net registered tonnage of 230, a length. of 125 feet, a2 breadin or 31 BOLINDERS ENGINE IN GILBERT ISLANDS feet and a depth of 11 feet 9 inches. She is built of birch, oak and spruce, and her hull is sheathed to the load water line with 20 and 22-ounce yellow metal, a necessary precaution against the toredo navalis. In addition to the main engine, she is provided with a five brake-horsepower, stationary, oil engine of the Bolinders type, which is fitted forward for lifting the anchors, hoisting sails and cargo and for work- ing a bilge pump. The main engine is located in the after end of the ves- sel, and the ‘fuel oil tanks i the extreme after end. These have capacity for 3,500 gallons, sufficient for a radius of 3,500 to 4,000 miles on one filling. The vessel has an average speed of seven miles per hour, and the cost of the fuel at present prices figures out to less than 3 cents per gallon. Bolinders marine oil engines are made in two different types. The direct-reversible type, such as in-