50 are needed to construct both of the Thermal Hulls.Īs an optional step, 5 Steam Exchangers can be used to produce safety equipment for the Tower Pumps.
A total of 60 are needed to build the Generator. Steam Exchangers are a resource required to construct the Generator in both The Last Autumn and The Builders Endless scenario. This can be reduced to 16 steel with Redesigned Templates (Technology). They are manufactured in the Machine Shop at the cost of 20 Steel per Steam Exchanger. Steam Exchangers are a resource occurring only in The Last Autumn and Endless Mode (The Builders).
