A. By reason of the increased boiler capacity an engine may be worked
farther down before a steam failure occurs.
7. Q. What type of fire tube superheater is in most general use in
locomotive service?
A. The top header fire tube type, known as the "Schmidt Superheater." A
system of units located in large flues through which the steam passes on
its way from the dry pipe to the steam pipes, and a damper mechanism
which controls the flow of gases through the large flues.