Show j Speed of Torpedoes Most modern modem type torpedoes can be adjusted before being launched la d making their speed vary accord accord- according according according ing to the distance they are to travel For instance the powerful types types about about 21 inches in diameter and more than 20 f f e et long long can can travel through water foj fo o approximately six miles at a max maximum maximum mum speed of 30 miles an nouri before their power is spent If UI adjusted for lor a shorter distance however the same torpedo will willi travel for fo one one two or three riles miles iles at a speed of 40 miles or better an hour Pathfinder I |