Designed and hand built from scratch in three weeks (including the clockwork motor). Its only 11" long equipped with a 20ml trim tank midships,it can run on the surface or dive for about 20 feet.The hull is made from recycled tin cans hand beaten and wheeled smoothish in three parts. www.mclarenclockworksubmarines.com
Haha, not 20 feet down mate! 20 feet along, it dives to about 8 inches then when the motor runs down it surfaces. Ive had a look at the electronic wizzardry you guys make its incredible and way beyond me.Hats off to you all! brilliant stuff!