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(outdated) TDC MOD (T. Vh. Re. S3)

BETA

This mod adds original torpedo calculator T. Vh. Re. S3 to the game.
The device was carefully recreated from the original photos from u-boats and museums.
Systems and calculation methods correspond to the real ones.

Torpedovorhaltrechner or torpedo data computer (TDC) was the heart of the torpedo fire control system in german u-boats. It was located in the conning tower on the starboard side between the helmsman’s station and the attack periscope. It was an electro-mechanical device that was designed for solving the torpedo triangle, calculating gyro angle and torpedo salvo spread angle.



The image above shows the main interactive elements of the TDC. All these elements reflect real values and affect the calculations.

https://steamcommunity.com/sharedfiles/filedetails/?id=2161212854

NOTE: It is recommended to set the units of measure in the game to the mixed mode, since the TDC operates with knots and meters

Torpedo turning radius and gyro angle
The mod simulates torpedo turning radius and limits maximum gyro angles.
(For all types of torpedoes, an angle of +/-135 degrees is currently used.)


PAY ATTENTION TO THE GYRO ANGLE BEFORE FIRING!

NOTE: If you try to launch a torpedo with a larger gyro angle than possible, then the torpedo will not be able to reach the specified angle and will stop rotation at maximum gyro angle.

Salvo
Mod also changes salvo shot behavior.
The following picture shows the behavior of torpedoes at various salvo shots with angle of 20°.


PLEASE NOTE: TORPEDOES ALWAYS LAUNCH SEQUENTIALLY FROM RIGHT TO LEFT.

NOTE: salvo spread angle dial in TDC UI just shows maximum permissible spread angle and it does not automatically updates salvo slider in ingame tropedo UI.

DON'T FORGET TO SET DESIRED SPREAD ANGLE MANUALLY OR WITH SALVO UPDATE BUTTON IN INGAME TORPEDO UI

Here are the basics of interacting with TDC and related interfaces.

WARNING: IF YOU INSTALLED THIS MOD FOR THE FIRST TIME AND THE TDC INTERFACE DOES NOT APPEAR BY CLICKING THE SHOW/HIDE BUTTON, TRY RIGHT-CLICKING ON THIS BUTTON, THIS SHOULD RESTORE THE DEFAULT POSITION AND SIZE

Use this button in periscope or map view to show and hide TDC interface.


You can also move TDC UI by dragging it and resize with moving the bottom left or bottom right edge.

If you RMC on resizing zone TDC will get default size, RMC again on this zone to restore previous size.

Position and size are automatically saved for each station:

• Attack/Observation periscope
  
• UZO
  
• Map

If you want return to the default size and position settings, just RMC on show/hide button.


In map view is also now available to call torpedo launchers interface without selecting the target itself.
Thus, you can make a torpedo attack without selecting target, with using only gyro angle from the TDC.


The interfaces looks like this:


The torpedo launchers UI has been changed.
Mod adds two new elements on it:

• TDC targeting on / off switch
  
• Salvo update button

TDC on / off switch:
- When it is switched on [Green lamp], all torpedoes will be targeted and launched according to the current TDC gyro angle, regardless of other ingame values/calculations. Thus, your manual calculations (with standard ingame targeting tools) and calculations by u-boat crew will be ignored and the torpedo will be launched ONLY in accordance with the values provided by the TDC. (however, you can always enter the values that was determined by your officers into the TDC)

- When it is switched off [Red lamp], all torpedoes will be targeted and launched with using standart ingame procedures. In this case, calculations that was performed by you (with standard ingame targeting tools) or your u-boat crew will be valid.

Salvo update button:
- Press this button to update salvo spread angle in torpedo launchers interface with current value of salvo angle from the TDC.

NOTE: Currently game allows to set this angle not bigger than 10 degrees.

Latest mod version: v1.7.5

Recommended game version: B127 Hotfix 4
Latest supported version of the game: B127 Hotfix 4

Saves compatible!

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Textures: Freekoly
Sounds: Ruby
Coder: ZNC