Design
The CHANT was developed with experience gained by building the Tug, Inshore and Dock (TID). As with the TIDs, CHANTs were built from prefabricated sections which were manufactured at various factories across the United Kingdom. A total of twenty-eight sections made up into a ship. The largest sections weighed thirteen tons which enabled them to be delivered by road. To simplify construction, they were built without compound curves. All plates being either flat or curved in one direction only, with the exception of the skeg at the stern. All joints were welded, with the final 10 inches (254 mm) being left unwelded at the factory to enable final adjustment at joints when the ship was assembled by the shipyard.
CHANTs were designed with a flat bottom to enable them to ground on beaches. A double hull was used to minimise any chance of leakage. Each CHANT had four sub-divided tanks and was fitted with two derricks and winches. They were not the most stable of ships, and needed to carry plenty of ballast. CHANTs were assembled at five different shipyards, and launched between February and May 1944.
Some cargo version (Empire-F type) were built with a "Chant" prefix name which add some confusion about the real type of vessel (i.e.CHANT 41, CHANT 14, CHANT 39, and CHANT 49 were all Empire-F type despite their initial names.
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