Everyone who lived in the Soviet Union remembers the appearance of train cars, or rather the fact that they were always painted green. Why was the choice made in favor of this paint and does this fact have any special meaning? This moment, most likely, is unknown to most people, although it is quite interesting.
This has not always been the case. In the days of Tsarist Russia, the train cars were colored in accordance with their class. All wagons belonging to the first class were painted blue. High-ranking officials and rich, noble people moved in them. The second class was a little simpler and was intended, as a rule, for citizens with an average income. Such cars were painted yellow. For ordinary, poor people, green railway cars were intended.
1. Color selection version for passenger cars
Already under Soviet rule, the concept changed and all the cars became green, but their upper part, the roof, differed in color. Here, gray paint was used for staining. According to one version, the changes took place during the war (World War II). The goal is to provide the composition with a reliable camouflage.
The green color, especially outside the city limits among the green trees, could really make the moving train less noticeable. But why then also the gray on the roof? When the cars are at the station, they are matte gray, almost identical to the gray concrete or asphalt on the railway station and platforms. Accordingly, the landmarks for reconnaissance aircraft and bombers get lost and become inaccurate.
Well, when a train with passenger cars in an amount of ten to fifteen units goes outside stations, then from a certain height it visually becomes similar to a section of a road covered with asphalt or concrete.
These colors remained predominant in the post-war period. To keep the park in excellent condition, a huge amount of paint was needed. And here the economic factor played its role. Mineral green pigments were very resistant to sunlight, so they did not fade, moreover, they had a low price.
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2. What's going on today
Currently, the situation has changed somewhat, although the economy has not been canceled, albeit on brown-red freight wagons. Red iron paint, with which most of them are painted, from this color palette is the cheapest and, at the same time, durable. It is not used to cover passenger cars, since the color can hardly be called attractive.
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Everything changed when the proprietary formulations were put into operation. Drawings and inscriptions appeared on the trains, and the cars themselves began to be painted in different shades of blue and light blue. Today, the color range of rail vehicles has become even wider.
Continuing the topic, read, why do they put firecrackers on the rails and how the explosions "threaten" the train.
A source: https://novate.ru/blogs/300720/55492/