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608 The gears and turbine, according to S. Pettigrew, chief engineer of the ship, were in perfect condition when the cas- ings were removed. The SACANDAGA was built in the midst of the great rush to complete the "bridge of ships" for the A. E. F., but construction seems to have been well nigh perfect, de- spite the hurry in which it was done. The casings were replaced without any repairs to gears or turbines, other than cleaning the gears and SAcANpDAGA left New Orleans for European ports in the same excellent condition in which she had finished her first 43,000 miles of service. Pad, Concrete Ship Loss Attention of shipbuilders throughout the country is drawn to the recent sinking of the steamer Care Fear off Newport, R. I, Oct. 29, as_ this is probably the first case of direct col- lision of a concrete vessel in service. The Care Fear owned by the United States shipping board was rammed by the City or ATLANTA and went down in 125 feet of water within three minutes of the collision. men were lost in the accident. The reason for the accident as well as the exceptionally rapid sinking is ob- scure and will lead to investigations. According to Captain Garfield of the City or ATLANTA, the CAPE FEAR as she was about to pass his vessel threw her wheel over, to starboard and put herself directly across the bows of the ATLANTA. Unable to stop or even to turn to one side, the ATLANTA struck the concrete vessel amidships. She - crumbled immediately. In an attempt to help support the wrecked vessel Cap- tain Garfield of the City or ATLANTA held the bow of his vessel into the waist of the Care Fear until he saw that it would endanger his own ship by remaining longer. _ The Cape Fear was one of: a num- ber of concrete vessels constructed for the shipping board during the war. She was the sister ship of the Porrus and registered 1693 tons. The City or Art- LANTA registered 4111 tons and while badly damaged by the blow was able to make port! under her own steam. The Cape Fear left the Allen aveune drydock of the Lord Dry Dock Co., Providence, R. I., two hours' before the accident with a crew of 15 men from New York. Federal investigation has already been started to fix the blame for the sinking and to prepare as complete a report as possible for guidance in future concrete construction. Gen. Arsene Perilliat, chief engineer of the New Orleans dock board, died in that city, late in October. Seventeen. THE MARINE REVIEW December, 1920 Laying Out Cant Frames Method Employed In Mold Loft Of Large Eastern Yard Proves Successful BY WILLIAM ASHE tion of the method of obtaining cant frame bevels devised at the Newport News shipyard and not used, so far as I know, in any other ship plant in the country. 'The method is simple. and has proved its utility and correctness through a number of years of use. During the time we have used the method, no alterations have been necéssary, to my .knowledge, where the rule was properly applied. The system, briefly, is aimed to en- Bion of tre. is a brief descrip- able one to apply any bevel at right angle to the frame. Bor. purpose of explaining the method we will obtain the bevel of No. 9 cant frame. This fraine toes toward the center of the ship, making it an open bevel from top to bottom. Lay down stern framing, profile and plan view, as shown in the accom- panying illustration. In the plan view, draw a line at the intersection of No. 9 cant frame and transom knuckle and deck over to No. & cant. frame, square .to -No, 9 cant frame; measure along No. 8 cant frame and get the distance from the transom to the intersection of the squared iine and No. 8 cant; set this distance out from the transom in profile horizontal with cant frame No. 9 at transom; do the same at knuckle and at deck. Draw a line through these points in profile. You now have No. 9 bevel line. In profile, measure distance between No. 9 bevel line and No. 8 cant frau:e line at positions marked A, R, C and D. These are tthe points from which bevels are to be applied. Take these dis- 1 beck /O | : |_| Ahuckle | 6 LY re ae | LO Leese 7 é ) : f . ee | a. oot 5 Ee] & 4 ia é ey Plan View AP Transom PROCESS OF LAYING OUT CANT BEVELS ON PLAN