Completely Incorrect throttle/amperage modelling

Hello all,
First time poster here, long time reader. A little about me. I am a second generation railroader, been working for a large class 1 railroad as a locomotive engineer now for 7 years. I purchased this simulator because it touted its realism, and I wanted to test that. Largely, it fails an nearly every area. The old Microsoft Train Sim was even more accurate in many areas. Because I have real world experience, I thought I'd share my observations.
Aside from the incorrect braking modelling (wrong in so many ways it's hard to explain in a short forum post), the throttle modelling is what absolutely unequivocally kills the immersion for me. First, the locomotives load (traction motors see current) WAY too fast, and start moving (overcome inertia) way too quickly. Completely wrong. Next, the amperage falls off to zero in between notches. For example, each notch (say, notch 1) has a preset "zero point" based on speed. For notch 1, once you reach 10 miles per hour, the amps go to zero in the game.
This is completely in violation of the basic theory of how diesel electric locomotives work. Amperage can only reach zero two ways - if the unit is transitioning to dynamic braking, or, if the locomotive is off. Even at 60 miles per hour, if you place the throttle in notch 1, you'll still get a tiny positive amp reading to the traction motors. You probably wont be able to see it on the gauge. And it wont be enough to hold that speed, and you'll slow down, but you should EASILY be able to reach 30 miles per hour or so with light power in notch 1. This is the case for each notch as modelled in the game. In my view, this absolutely ruins the immersion in the game. It gets even worse at higher speeds.
On mild curvature track, with no grades, it is common to run an average train with the power in notch one or two at track speed of 50 or 60 mph. But in the game, you would have to be in notch 5 or 6. In notch 5, you have zero amps, but go to notch 6 and it shoots way up to 400 or so. So in the game, you're constantly bouncing between decelerating and yanking hard. In real life, would certainly break couplers, and possibly put cars on the ground. Totally wrong. This isnt how any real life locomotive works. In real life, the amperage falls off in an exponential type curve. For example, last night I had a single SD40-2 on level track and in notch 1, at 10 miles per hour, I had about 160 amps. At 15 miles per hour, it was about 120 amps.
There are so many other flaws, and not minor nit-picks. Major issues, Like the fact the ammeters dont even register negative when you go into dynamics. Or the fact the accelerometer is useless because it bounces around so much. Emergency brake applications dont trip off PCS. Brakes dont charge up right and the brake pipe values are wrong during application. When you shoot the brakes from the FRED, it doesnt cause the locos to register an emergency application. None of the locomotives sound like the actual locomotives at all. The EMD's have whisps of the right sounds, but the GE is completely wrong. On and on.
Just a few thoughts from a guy who does it for a living.
James
First time poster here, long time reader. A little about me. I am a second generation railroader, been working for a large class 1 railroad as a locomotive engineer now for 7 years. I purchased this simulator because it touted its realism, and I wanted to test that. Largely, it fails an nearly every area. The old Microsoft Train Sim was even more accurate in many areas. Because I have real world experience, I thought I'd share my observations.
Aside from the incorrect braking modelling (wrong in so many ways it's hard to explain in a short forum post), the throttle modelling is what absolutely unequivocally kills the immersion for me. First, the locomotives load (traction motors see current) WAY too fast, and start moving (overcome inertia) way too quickly. Completely wrong. Next, the amperage falls off to zero in between notches. For example, each notch (say, notch 1) has a preset "zero point" based on speed. For notch 1, once you reach 10 miles per hour, the amps go to zero in the game.
This is completely in violation of the basic theory of how diesel electric locomotives work. Amperage can only reach zero two ways - if the unit is transitioning to dynamic braking, or, if the locomotive is off. Even at 60 miles per hour, if you place the throttle in notch 1, you'll still get a tiny positive amp reading to the traction motors. You probably wont be able to see it on the gauge. And it wont be enough to hold that speed, and you'll slow down, but you should EASILY be able to reach 30 miles per hour or so with light power in notch 1. This is the case for each notch as modelled in the game. In my view, this absolutely ruins the immersion in the game. It gets even worse at higher speeds.
On mild curvature track, with no grades, it is common to run an average train with the power in notch one or two at track speed of 50 or 60 mph. But in the game, you would have to be in notch 5 or 6. In notch 5, you have zero amps, but go to notch 6 and it shoots way up to 400 or so. So in the game, you're constantly bouncing between decelerating and yanking hard. In real life, would certainly break couplers, and possibly put cars on the ground. Totally wrong. This isnt how any real life locomotive works. In real life, the amperage falls off in an exponential type curve. For example, last night I had a single SD40-2 on level track and in notch 1, at 10 miles per hour, I had about 160 amps. At 15 miles per hour, it was about 120 amps.
There are so many other flaws, and not minor nit-picks. Major issues, Like the fact the ammeters dont even register negative when you go into dynamics. Or the fact the accelerometer is useless because it bounces around so much. Emergency brake applications dont trip off PCS. Brakes dont charge up right and the brake pipe values are wrong during application. When you shoot the brakes from the FRED, it doesnt cause the locos to register an emergency application. None of the locomotives sound like the actual locomotives at all. The EMD's have whisps of the right sounds, but the GE is completely wrong. On and on.
Just a few thoughts from a guy who does it for a living.
James