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ChS7 | A Section

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The ChS7 is the most powerful DC passenger electric locomotive in the USSR, produced by Czechoslovakia’s Škoda Works. It was developed when passenger traffic surged, but deploying more trains was impossible due to high freight volume. The USSR’s solution: a locomotive capable of hauling over 30 passenger cars!

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I recreated this locomotive to the best of my ability and dedication. Some details were omitted.

• Top speed (no cars): 58 m/s | 210 km/h | 130 mph
  
• Top speed (with 8 compartment-style sleeper cars; total mass 96,800 units): 60 km/h (wheelslip occurs beyond this)
  
• Mass per section: 15,820 units
  
• Price per section: $89,000

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1. Enter the trailing section (relative to direction of travel) and activate:
   
2. In the vestibule:
   
   1. Toggle "Battery";
3. In the cab:
   
   1. Release the parking brake (left of entrance);
      
   2. Switch on "Fans of Traction EM";
      
   3. Set the automatic brake valve to running position (press W until handle stops, then press S once);
      
   4. Set the independent brake valve to running position (press A until handle stops);
      
   5. If needed, activate "Electrodynamic Brake" (left control panel);
4. Repeat the same in the leading section;
   
5. Raise "Pantograph A" (and/or B);
   
6. Start "Compressor A" (and/or B);
   
7. Turn on cab lights, buffer lights, headlight;
   
8. Activate "Electro Pneumatic Automatic Train Stop" (right side of cab, behind driver’s seat);
   
9. Set travel direction using the reverser handle ("Move Forward" or "Move Backward");
   
10. Charge the brakes;

The automatic air brake is controlled by two valves in the cab. The one nearest the driver is the Driver’s Valve cond. №394. It regulates train braking (W/S). Seven positions:

1. Charging — Increases main reservoir pressure; brakes released;
   
2. Running — Feed halted; equalized pressure; brakes released;
   
3. Closed without feed — Circuits isolated; brakes not released;
   
4. Closed with feed — Main reservoir replenishes; brakes not released;
   
5. Minimum service braking;
   
6. Service braking;
   
7. Emergency braking — Default position; traction control disabled;

The Auxiliary Brake Valve cond. №254 controls locomotive brakes only, feeding air directly to cylinders (A/D).

1. Deactivate "Control";
   
2. Turn off "Electro Pneumatic Automatic Train Stop";
   
3. Fully reset the reverser handle ("Move Forward" or "Move Backward");
   
4. Switch off buffer lights (or reconfigure as needed);
   
5. Turn off headlight;
   
6. Move to the other cab and repeat steps in reverse.

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The locomotive operates under two algorithms:




The system expects the driver to press the "Vigilance Handle" (or set throttle to position 1 for the second system).

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Originally posted by p.s.:

I do NOT speak English, and I am not familiar with the terminology inherent in America, England or Western Europe, so there MAY be mistakes in some places! I apologize.