Preparing & Setting a Keel Block & Bottom Cradle

Explains the basic lines used in ship construction — base line, center line, water line, buttock frame lines; defines declivity angle, port line, and starboard, athwart-ships, and fore and aft; demonstrates the setting of the keel block to the center line and proper declivity angle and the marking off and setting of a spaul from a template mold. Shows the relationship of the keel track and bottom cradle to the ship and the use of the declivity board and spirit level in the construction of the keel track and setting of the keel block.