Torpedo Data Computer | Wikipedia audio article
Channel: wikipedia tts
Date: 13/01/2019

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Torpedo_Data_Computer


00:01:50 1 Background
00:02:00 1.1 History
00:04:34 1.2 The problem of aiming a straight-running torpedo
00:11:50 1.3 TDC functional description
00:12:36 1.3.1 Angle solver
00:17:25 1.3.2 Position keeper
00:17:54 2 Notes and references
00:18:04 3 External links



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SUMMARY
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The Torpedo Data Computer (TDC) was an early electromechanical analog computer used for torpedo fire-control on American submarines during World War II. Britain, Germany, and Japan also developed automated torpedo fire control equipment, but none were as advanced as the US Navy's TDC, as it was able to automatically track the target rather than simply offering an instantaneous firing solution. This unique capability of the TDC set the standard for submarine torpedo fire control during World War II.Replacing the previously standard hand-held slide rule-type devices (known as the "banjo" & "is/was"), the TDC was designed to provide fire-control solutions for submarine torpedo firing against ships running on the surface (surface warships used a different computer).The TDC was a rather bulky addition to the sub's conning tower and required two extra crewmen: one as an expert in its maintenance, the other as its actual operator. Despite these drawbacks, the use of the TDC was an important factor in the successful commerce raiding program conducted by American submarines during the Pacific campaign of World War II. Accounts of the American submarine campaign in the Pacific often cite the use of TDC. Some officers became highly skilled in its use, and the Navy set up a training school for its use.Two upgraded World War II-era U.S. Navy fleet submarines (USS Tusk and Cutlass) with their TDCs continue to serve with Taiwan's navy and U.S. Nautical Museum staff are assisting them with maintaining their equipment. The museum also has a fully restored and functioning TDC from USS Pampanito, docked in San Francisco.