Pletz's account goes into detail about the origins of the DT & I and is a worthy read. (The maps help). When the DT & I was formed out of several mostly bankrupt railroads, the it built new shops at Jackson, Michigan and laid 85 lb/yard (42.5 kg/metre) rail. It also went to Brooks for new power and took delivery of this set of 18 Consolidations.
NB: Superheater area is estimated based on similar installations for which the area is given.
A sturdy Consolidation with a relatively big grate for a bituminous coal burner and a sizable superheater fraction as well. The 200s exerted a high tractive effort for a 2-8-0, the steam for which was admitted through generously proportioned 14" piston valves.
The 200 was scrapped in October 1954.
|Specifications by Steve Llanso of Sweat House Media|
|Railroad||Detroit, Toledo & Ironton (DT&I)||Detroit, Toledo & Ironton (DT&I)|
|Number in Class||18||2|
|Locomotive Length and Weight|
|Ratio of driving wheelbase to overall engine wheebase||0.64||0.64|
|Overall Wheelbase (engine & tender)||62.17'|
|Axle Loading (Maximum Weight per Axle)|
|Weight on Drivers||204260 lbs||220000 lbs|
|Engine Weight||227560 lbs||245000 lbs|
|Tender Light Weight||179500 lbs|
|Total Engine and Tender Weight||424500 lbs|
|Tender Water Capacity||9500 gals|
|Tender Fuel Capacity (oil/coal)||15 tons|
|Minimum weight of rail (calculated)||85 lb/yard||92 lb/yard|
|Geometry Relating to Tractive Effort|
|Boiler Pressure||200 psi||200 psi|
|Cylinders (dia x stroke)||22" x 30"||25" x 30"|
|Tractive Effort||43305 lbs||61298 lbs|
|Factor of Adhesion (Weight on Drivers/Tractive Effort)||4.72||3.59|
|Firebox Area||192 sq. ft||239 sq. ft|
|Grate Area||49.50 sq. ft||61.30 sq. ft|
|Evaporative Heating Surface||2800 sq. ft||3302 sq. ft|
|Superheating Surface||570 sq. ft||723 sq. ft|
|Combined Heating Surface||3370 sq. ft||4025 sq. ft|
|Evaporative Heating Surface/Cylinder Volume||212.14||193.73|
|Computations Relating to Power Output (More Information)|
|Robert LeMassena's Power Computation||9900||12260|
|Same as above plus superheater percentage||11583||14467|
|Same as above but substitute firebox area for grate area||44928||56404|