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M A R I N E R F248 8 EW 29 of a so-called tug without cargo, but with the necessary fresh water and coal for four days' run at a speed of five miles per hour without tow, will be twenty (20) inches forward and forty (40) inches aft. The term mile throughout is applied to the statute and not to the knot or nautical. The normal R. P. M. for engine for speed of five miles with tug and 2 Ue bL If ' 4 | 6 | y 12 i | | \ FIGURES REPRESENT DISTANCE IN Hg FEET FROM CENTER OF VESSEL WA MX \ Jy ae J LONGITUDINAL, VERTICAL, SECTION FOR I000-TON CANAL BARGE MARINE REVIEW barges loaded to be 120 per minute--under light conditions they will run up to 200. The pressure intended at boiler was 200 lbs. and at engine 120, in order to maintain a more uni- form pressure at the latter. This information as well as that in relation to the number of revolutions was not forwarded in the general report, as it was deemed likely to complicate the main question about the size and capacity of the boats. It is now given, as well as what follows, as a part of the original report. The guard irons or fenders shown on midship sec- tion were to exhibit extreme conditions or possibilities with a- boat so protected. This protection being more to save the joints of plating of the boats than the concrete in the locks, -- MARINE Re LONGITUDINAL VERTICAL SECTIONS OF TUG FOR 1000-TON CANAL, BARGE. as the latter were understood to be looked after by vertical -- fenders built into their sides. Hanging fenders on boats and logs alongside of piers, as in case of heavily plated vessels, were intended to protect the plating stiffened by web frames and brackets, the rounding at top and bottom of sides also coming into play. The great trouble with these boats will be to meet all the conditions of draught--the extremes being so great. Whereas in an ordinary tug the variation is so little in this respect, that ample provision can be made near the deck to meet a blow. The accompanying tracing shows an iron with but small projection for extreme conditions, as in boats of 27 ft. beam, and another backed by wood to answer the same purpose in those under it and should. readily slide on any surface without causing injury. The number of fenders should not be less than three--whereas more would be better." CHALLENGE CUP RACES. All details in connection with the great challenge cup races for this week are completed and by looking over the list of entries will be found the fastest motor boats in and around New York. It has been customary in all -races to start the boats off at once and at the finish deducting time allowances, etc. In this manner it has been a hard matter for the spectators and in some cases owners themselves to tell just exactly whether they finished first, second or third, but in the series of races the committee has decided to send the boats off according to their time allowance and the first boat to cross the line will be known as the winner. In this way it is hoped that the spectators will be far more en- thusiastic and will know exactly what boat has won and how they finish. This method of starting will also prevent collisions at the start as well as any interference which might be well expected with such a large number of boats com- peting. The course will be 16 miles up the Hudson river to a mark boat off Piermont, N. Y., and return. The contest will be decided by the following boats: , & Boat. Owner. Club. Speedway, Charles L. Seabury, Columbia Shooting Star, Harry A. Lozier, Jr., Manhasset Bay Mercedes, . Wm. K. Vanderbilt, Jr., American Vingt et Un II, Mercedes, U: S: A.,: W. S. Kilmer, Herbert L. Bowden, Chippewa Bay Rhode Island - Macaroni, , C. H. Tangeman, Atlantic - Water Lily, Frank Seaman, Yonkers Corinthian » Marcirene II, J. Wesley Allison, Cape May Challenger, Smith & Mabley Inc., Audubon Flip, C.D, Hotnes, Hartford Josephine, Logeritham, A. J. Bushmann, F. M. Waterman, Jamaica Bay Sachems Head A more speedier lot of motor boats than those given above would be hard to find and if they all start on each day of the series it will be one of the greatest events in motor boating this season or ever held in America. Many of them are ap- parently new boats and while some have had trials others : have not, although the various designers and builders of such craft have guaranteed for them fast time. The Shooting Star has appeared in several contests during the season and AS a yery speedy boat; she has been thoroughly overhauled and put in trim for these races and it is expected that she will even show faster' time than heretofore. The Vingt et Un IT is the world's record holder and will in all probability be piloted in the race by Mr. C. M. Hamilton, who has al- ways had the wheel in all events in which she has taken part. - The Challenger was the American representative in the in- ternational contest for the Harmsworth cup and is a very fast boat. _The Speedway is everything that her name implies and to beat her will no doubt place new figures up so far as record time is concerned. The Water Lily was the only con- -testant against the Standard in the previous series. ° The Mercedes U. S. A. in her trials during the early part of the season made remarkable good time and although she has in 'most all events met with some mishap tt 1s to pe hoped that in this event Mr. Bowden will be better favored and that she will give a good account of herself. The Macaroni is a_ new creation by Burgess of Boston for Hollander & Tange- man the American representatives of the celebrated Italian concern who put out the F. I. A. T. motors and automobiles. While nothing is known of her speed, yet if. what her de- signer and builder claims for her is correct she will be well up at the finish, The Mercedes.VI has had a fair chance of showing her speed in the races of the Knickerbocker Yacht Club on Saturday when she averaged 19.18 knots or 22.057 statute miles. With such an array of fast boats the contest for the gold cup promises to be by far the most interesting and is the sole topic amongst yachtsmen who gather at the various club houses discussing the merits of the various boats, etc. The Boston Towboat Co. is now at work destroying the wreck of the sunken Clyde line steamship Kiowa. The con- . tract gives them until the first of December to remove the obstruction. Little of value can be saved from the wreck.