Planking the lower part of the hull (part one).   First i have read the articles about planking. http://modelshipworldforum.com/ship-model-framing-and-planking-articles.php   I have tried to follow the rules for planking a model ship as much as possible. To everyone who helped with this articles, they were very helpful. Thank you very much !!    Following the information found the planks were 4.2 to 5.2 meters long The average  thickness is 7 cm