Which boiler type is similar in construction to a Firebox boiler?

The construction of a locomotive boiler shares similarities with that of a firebox boiler, primarily due to the design and functionality aimed at maximizing efficiency in steam generation. Both types feature a firebox where combustion occurs, allowing the heat from the fire to transfer to the water and produce steam.

In a locomotive boiler, the firebox is often positioned horizontally at the back, and the flue gases travel through tubes that run through the water space, effectively heating the water surrounding these tubes and generating steam. This design optimizes the transfer of heat and makes the locomotion of the boiler efficient for powering trains.

The firebox structure is crucial in both designs, allowing for robust heat generation and contributing to the overall efficiency of the steam production process. This feature distinguishes it from cylindrical, vertical, and modular boilers, which have different configurations and methods for producing steam. While those boilers might be effective in their own ways, their design principles differ notably from the firebox concept, making the locomotive boiler the most similar in construction.