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Main Deck a Ceilin \Xe) Construction inWay of Solid Floors (4 "O'Apart) TAE MARINE REVIEW 'Intermediate b onstruction Between Floors. 1 Fi po Os, '7, z O Ol O O Mipsuie SecTION oF PATENT STEAMER MONITORIA. Crown of monitor corrugation 11%" from main frame. Main frames 8" x3" bulb angles spaced 28" apart. Corrugated frames 3144" x 3" plain angles attached to each main frame. : Corrugation gusset plate at each frame. No side stringers. Ae ADVANTAGES. Substantial increase in speed with same will be able to obtain exact data when comparing the speeds of the patent ship on loaded trials with the older type of craft. It may be added that the Monitoria is 279 ft. by 42 ft. by 20 ft. 714 in. and 'her deadweight capacity for bulk car- goes is about 3,300 tons, about 90 or 100 tons of which is gained by the in- troduction of the projections on the sides of the ship. The curious formation of the hull was carefully inspected by a large num-- ber of experts before the launth, and at the luncheon which followed A. H. Haver made some interesting remarks concerning the innovation. He said when the idea embodied in that vessel was first suggested to him he gave a strong adverse opinion. He _ belteved with most naval architects that the wetted area was a sure index to the horsepower of a ship. He commenced he trial "with a strong prejudice against the idea. The first trial resulted in a saving of 8 per cent in horsepower. A few months later he came to the con- clusion that the idea was an improve- ment. He had no fault to find with sceptics who did not exactly see that it could possibly be an improvement, for he had gone through that phase him- self. It had taken him many months to come to the conclusion that his ordinary education in ship resistance was a little deficient. They had in the power and consumption, or Same speed as normal vessel but with less power and consumption. Extra strength in form of design. Resistance against rolling. Increased cubic feet capacity. No increase in tonnage. Monitor design can be quickly applied to any ordinary vessel at little cost. Monitoria a_ vessel a hundred tons more deadweight, and have the same speed as a sister ship of the ordinary type on less horsepower. This was brought about by the extra buoyancy of the projections and _ the steadying effect they had upon the waves and stream lines created by the passage of the ship. He conceived that these stream lines and waves had the same effect that a bumpy road _ had upon a road vehicle. In proportion to the magnitude of the waves or road equalities, so in both cases would their horizontal speed be reduced by the power consumed in the vertical lift and fall. Therefore, let them reduce the unevenness of a road or the amplitude of the waves round the ship, and in both cases they saved power expended vertically and applied it horizontally, thereby getting greater speed with the same original power. The Monitoria would not have a trial trip in the ordinary way, because that was only to test the engines. But she would be tried on several ocean voyages. He anticipated that the improvements he 'felt sure they would get would be on the second or third voyage. The pro- jections were not fixed by guesswork. It was just as necessaty to get them to suit the ship as to get the length of. a pendulum o suit a clock. This build also gave extra strength which Lloyds and the British Corporation had recog- that would carry - August, 1909 nized in the reduction of scantlings, The Monitoria company was not a ship _ building or ship owning company, but a company to follow out and develop certain patents. Axle F. Ericsson, responding to the toast of the ship, said the patent de- signs of the Monitoria were granted in September, 1905, and during the whole of the four intervening years Mr. Haver had. applied himself to its prac- tical application with the utmost energy and ability. But for Mr. Haver that patent could not possibly have been carried to its present successful issue. He believed the Monitoria company was a most valuable branch, which, as time went on, would give employment to ship builders all over the country. The vessel was named after the Monitor, built by the well-known Swedish en- gineer, John Ericsson, in 1862, and which defeated the Merrimac in the same year, an achievement for which every American citizen was grateful to- day. The engines of the Monitoria will be supplied by the Northeastern Marine Engineering Co., and will have cylin- ders 21 in. by 56 in. by 36 in.; two boil- ers 13 ft. 'by 10 ft., working at 180 Ib, pressure. The estimated speed of the ves- sel at sea loaded is 11 knots with an easy coal consumption. PROPOSED NEW SHIP YARD AT SEATTLE. Philip D. Sloan and others, of Seat- tle, have incorporated the Sloan Sh'p Building Co., with Philip D. Sloan, ~ president and treasurer, and George D. Sloan, secretary. The company has leased a' tract of land at West Seattle just south of the 'anchorage of the Seattle Yacht club upon which it expects to erect an extensive plant in the near future. The cost of the proposed plant is es- timated at $120,000. The plant will be equipped to build both wooden and steel vessels and will also be pro- vided with a float'ng dry dock 200 ft. in length and 74 ft. in width in the clear, LAUNCH OF THE MELTONIAN. On Thursday, July 8, Messrs. Har- land & Wolff, Ltd., launched from their south yard the steel screw steamer Meltonian for the Wilsons & Furness- Leyland Line, Ltd. The Meltonian is a. sister ship of the Median, Memphian and Mercian, constructed by the same builders. The vessel built under board of trade pas- senger certificate. ruple-expansion tion has been survey for She will have quad- engines, installa- of electric light, as well the latest and most improved facilities for an as working ship and cargo.