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VOL. 40. CLEVELAND, AUGUST, 1910. NEW YORK No. 8 EXPRESS BOATS ON LAKE MINNETONKA the Twin Rapid © Trasisit operating the street car system in Min- neapolis and St. Paul, Minn., built' its sub- urban .Jine .to Lake Minnetonka, which lies about 18 miles west of Minneapolis, HEN City Cox. new type, designed to give maximum carrying capacity and com- fort, combined with reasonable speed and economy of operation. A light draught model with torpedo stern was adopted chiefly because of lo- cal considerations. Lake Minnetonka is comparatively shallow, weedy in spots and with narrow, tortuous pass- entirely many which is about 1% tons. The coal is carried in side bunkers alongside of the boiler. A triple-expansion condensing engine with cylinders 5%, 9 and 15 in. diameter by 7 in. stroke drives a 44-in. propeller with 72° in. pitch at' 260° 9.9. we ae this speed and with 260 Ibs. boiler pres- sure, the engine develops 150 i. h. p. - r Ture PASSENGER STEAMERS HARRIET AND HopkINs ON LAKE MINNETONKA. it was decided that a connecting system of boats on the lake. was necessary to Supplement the suburban electric rail- toad. In fact, without the boats it be- fame apparent that the electric line could not realize its fullest possibilities M competition with existing steam rail- Toads, For the boat service a fleet of six €xpress steamers and three excursion Steamers was, therefore, acquired by 'onstruction and purchase. The six ex- Press boats, which are virtually dupli- fates, were built new and are of an ages between its islands. The dimen- sions of the hull are as follows: Length over all, 71 ft.; beam, 14 tt.; depth of hold, 6 ft. 8 in.; draught, with- out passengers, 3 it.; length of cabin, AQ ft. 6 in.; headroom in Cabin, O. It. 834 in. The engine and boiler are placed amid- ship and secured to long keelsons. The boiler is of the Roberts safety water tube type with 700 sq. ft. of heating surface and built for a working pres- sure of 260 Ibs. Bituminous coal is used for fuel, the daily consumption of A Blake jet condenser is _ installed. The normal speed of the boat is about 11 miles per hour. ; It is in the cabin design and passenger accommodations that these boats depart most radically from the usual type of small steamer. The best ideas in mod- ern car construction have been success- fully grafted onto marine requirements, resulting in a very comfortable and roomy craft. The interior of the main cabin is strikingly similar to that of the modern 46-ft. electric cars, operated by the Twin City Rapid Transit Co. The