Steam Engine - Part 2

The boiler starts each day with about 300 gallons of water. The fire in the firebox heats the water adjacent to it, and the smoke and hot gas from the fire pass through the water in the boiler through 54 pipes called fire tubes. The idea behind the fire tubes is that they increase the surface area where the heat from the fire can transfer to the water in the boiler. The fire tubes empty into a chamber called a smoke box at the other end of the boiler from the fire box, and the smoke exits int...