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286 are 91 ft. above the grates. The general boiler dimensions are as follows: Pomtertial -DCIGNt. Sorc cie csc ccs Cayes 13 10-3; PSterMBls TEAM ON ey oui ks ogo ess 12 3% MUTUAL WIOU es souk vous ses 20s. 84 Number of furnaces in each boiler. 1 Number of headers in each boiler.. . 31 Grate. surface, square feet.......... 119 Heating surface, square feet........ 5352.83 Ratio of grate to heating surface... 1:44.98 Iseuwth Or. grates; feet. <6 cs Sie s%s eats oe With Of Ordtes;: feeti cc. . oe vec ews 17 Per cent of air space in grates.:... 49 Designed working pressure......... 210 Boller. fest pressure ora. 6.666. eee 315 Each boiler has the following tubes: INIT Cs cs ak eee 1,100 31 2 31 Thickness, By. W: Gs, 8 6 6 6 Outside - diameter... 2 4 Be ele Length as fitted, inches 98 98 95% 76 » The Peabody burner was used in the oil burning trial, along with the closed fire room system of forced draft, all blowers being driven by electric motors; twelve in all, lim- ied. to. 1,200 R. P. M. Machinery Particulars The main engines consist of Par- sons marine steam turbines, eight in number arranged on four shafts. The cruising turbines are fitted on the in- board shafts along with the low pressure ahead and low pressure astern. This astern turbine is in- corporated in the same casing as the low pressure ahead turbine. On the outboard shafts are fitted the high pressure ahead and astern turbines, entirely separate. With this arrange- ment for speeds up to about 15 knots, steam is admitted into the high pressure cruising turbine, and after finishing work in this engine ex- hausts into the steam supply of the intermediate cruising turbine, from thence to the high pressure ahead turbines on the outboard shafts and finally to, and through the. low pressure ahead turbines on the in- board shafts to the main condensers. The following are the turbine cyl- inder and rotor dimensions: Diameter Diameter of cylinder. of rotor. In. n. Pe OriUiSine 6 ye 605 Oe ss 744% 73 Pe eriising' fyi ee ss 74% 72 MG ee es iyo eile Cialece Ga 76% 74 PMPAG Ae Eos co. ce cake 111% 101 Number of Number expansions, of rows. PAC eb Ce ae sche Seas 3 69 Tee eps a ie < dele ciel 3 54 Wed Pe tae uae a ce 6 78 Pg ee Se a. ke pie 6 39 Longest. ..length * of. blading...2..5 2.4 13%: in. Shortest length of blading..../:.... The designed I. H. P. was 28,000 for a speed of 20.5 knots per hour, and during her trials as much as 33,000 S. H. P. was recorded by the torsion- meters. , The New Orleans Steamship Co., New Orleans, La. has been organized with the following officers: S. D. De- Milt, president; A. R. Lafonta, vice president; Frank A. Daniels, secretary- treasurer, THE MARINE REVIEW Clyde Liner Lenape The steamship Lenape, now under construction at the Newport News Ship Building & Dry Dock Co.'s yard, at Newport News, Va., was launched on Aug. 17 and will go into the service of the Clyde line before the close of this year. Miss Margaret Stone, of Marion, Mass., daughter of Galen L. Stone, one of the owners and directors of the Clyde Steamship Co., was sponsor. The Lenape, like all the line ships, is an Indian name, Clyde and THE LENAPE LEAVING THE STOCKS comes from the Indian tribe which inhabited the country surrounding the Delaware water gap. The Lenape marks an era in point of size and speed and accommoda- tions, in coastwise service. She will have dimensions of an even 400 ft. in length, 50 ft. beam and a depth of 30 ft. The vessel has been built under the American bureau of ship- ping classification and will be Class A-1, and is of steel construction throughout with freight carrying ca- pacity of about 5,000 tons anda displacement of 7,00 tons; speed 14 knots. She will have three passenger decks. Appointments for passengers and interior finish will be of the best and finest in American coast- Wise ships. The Lenape will be the largest of the Clyde line fleet, and in addition to this she differs in some respects from the other ships, being bridge enclosed amidships for the first pas- senger deck, above which will be a continuous promenade deck. The propelling machinery consists ' steamer September, 1912 of four Scotch boilers, fitted with heated forced draft, one triple ex- pansion engine of about 4,000 horse- power, together with all auxiliaries and in addition, a refrigerating ma- chine for steward's cold _ storage. There will be accommodations for about 350 passengers, consisting of first class and steerage. She _ will have ample boat and _ life-saving equipment, with boat capacity for all the passengers and crew. In efficiency, the Lenape will rank among the finest vessels in the coast- wise trade and also as regards ap- pointments. The construction of this ship is under the supervision of Theodore E, Ferris, naval architect and en- gineer, of New York, who also pre- pared the designs, plans and specifi- cations in collaboration with H. H. Raymond, vice president and general manager of the Clyde line, CG. D. Selden, for many years consulting engineer of the line, W. T. Webster, superintending engineer, Capt. C. D. Rockwell, marine superintendent, G. ts Edecumbe, and). DD. Hargan,' of the Clyde Steamship Co. Collingwood Ship Building Co. The Collingwood Shipbuilding Co., Ltd., at Collingwood, Can., is one of the busiest of lake At present they have two steel shipyards. large steamers for lake trade and one steel for ocean trade, and two enormous steel dredgers, for the Can- adian government of ocean-going type, fitted with elevator bucket dredging plant for digging in 52 ft. of water, for present service on the lower St. Lawrence ship channel. Besides this they have numerous smaller contracts on hand, as well as a large amount of job work and dry dock repairs, which is going on continually. They are at present employing about 800 men at the Collingwood yard. ' They are associated with the Kings- ton Shipbuilding Co., Ltd., of Kings- ton, 'Can., where they built up about two years ago a modern steel ship- building and repair plant for carry- ing on new work as well as dry dock tepairs. 'They are at present build- ing two large lighthouse and buoy steamers for the Canadian govern- ment, and are employing about 300 men on the hulls and superstructure and general equipment of the ships. The engines, boilers and cabin interior finish are being built by the Colling- wood Shipbuilding 'Co., at wood. 'Colling-