![]() ![]() These were capable not only of listening for the sounds of the enemy, but also estimating its distance and bearing. Just forward of the TDC are the controls and indicators for the WCA sonar. They could also be used to navigate the boat when close to shore, even through the fog. These were advanced surface search radars that allowed Pampanito to locate the enemy when on the surface. Located opposite the TDC are the controls and indicators for the SJ and ST radar. ![]() This system was unique during the war and provided a significant advantage to the U.S. It then continuously computed the firing solution and signaled the equipment in the torpedo room that set the torpedo gyro angle. It also took input from the target bearing transmitters on the bridge, the sonar, the radar and from the crew to estimate the course, speed, bearing and distance of the enemy. It receives input from the gyrocompass and the log to keep track of its own ship's movement. located aft and port in the conning tower. It is an analog computer of about 1,500 lbs. The heart of the system is the Torpedo Data Computer (TDC). See another view aft in the conning tower. system had perfected the fire control system to continuously supply the correct firing angle into the torpedo so it could be fired at any time. The World War II German and Japanese systems could compute and set the gyro angle for a fixed time in the future, but did not track the target. All together there could be a delay of 1.5 to 15 minutes (1000 yards to 8 miles) during which any small error in calculation of the firing angle will cause the torpedo to miss the target. It then travels straight on this course before hitting the target. When the fire button is pressed, the torpedo is ejected by compressed air from the torpedo tube, its engine starts and it runs a safe distance from the boat before it begins a turn to its final course. During this time there could beĪs many as ten men at their battle stations.Ĭonsider the difficulty of aiming and firing a torpedo so it will successfully hit a target while both your ship and the target are moving. TrackingĪ target and maneuvering into attack position could take several hours. The conning tower is the smallest compartment on the submarine, only 8įeet in diameter and 17 feet long. Navigation center of the boat and the Commanding Officer's battle station. Located above the control room, the conning tower was primarily the attack and ![]()
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