Re: tank car domes


Tony Thompson
 

A rule of thumb is most true domes* had a capacity of roughly 2% of the tank body (and this volume is measured above top dead center of the tank body).
The rule specified 2% as the _minimum_ size. If you look at the 1955 tank car tariff 300-H, for example, you will see that most tank cars had well in excess of the 2% capacity. That was one of the many choices made by the buyer, not the builder.

Tony Thompson
tony@...

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