An earlier Escanaba & Lake Superior Consolidation order (Locobase 12722) was the obvious inspiration for this logging 2-8-0. The only big differences were the boiler pressure (this engine was set 35 psi higher) and the driver diameter, which was smaller. So the starting tractive effort was considerably greater.
The Sierra used the engine until 1953 with some runs during that time paid for by movie companies. In August 1966, the 18 was sold to Edward Cadiew for display at West Coast Mobile Homes (don't quite see the tie-in myself).
Small though it was, this little Consolidation was superheated, oil-fired, and used 9 1/2" piston valves to distribute the steam. Trundling along on 50 lb/yard (25 kg/metre) rail and around the 27 degree curves, the 20 worked for the SRwy (in 1935, renamed the SRR) until it was drafted by the US Army in 1942.
According to a May 2013 email from Kyle Wyatt, the locomotive was sold by the Army in 1948 to Kurth Brothers Lumber of Jaspar, Tex, who restored the number 20 and operated the engine until it was scrapped in 1955.
This little Consolidation was essentially identical to the 20, which had arrived four years earlier (Locobase 14330). The only noticeable difference, other than a two-ton weight gain,
The Sierra Railroad sold the 22 in 1940 to the California Railway & Navigation Company as their second 41. It was scrapped in 1950.
Unlike many of the other SRwy engines, the 28 has remained with the Sierra from its first day in service. It was put in storage in 1955 when the SRR converted to diesel power and moved its operation, but brought back into service in 1958 as a movie and TV locomotive. Operating on the original Jamestown, Calif, track, the 28 served the film industry well as well as passenger excursions to the end of the 1970s.
Railtown, as it had come to be named during the excursion years, gained an additional life when the State of California bought the assets and turned them into a state museum in 1983. 28 operated as a museum engine well into the 21st Century.
|Specifications by Steve Llanso of Sweat House Media|
|Railroad||Sierra Railway||Sierra Railway||Sierra Railway||Sierra Railway|
|Number in Class||1||1||1||1|
|Builder||Burnham, Williams & Co||Baldwin||Baldwin||Baldwin|
|Locomotive Length and Weight|
|Ratio of driving wheelbase to overall engine wheebase||0.62||0.62||0.62||0.65|
|Overall Wheelbase (engine & tender)||45.12'||45.83'||46.25'||50.17'|
|Axle Loading (Maximum Weight per Axle)|
|Weight on Drivers||104000 lbs||103000 lbs||107000 lbs||127600 lbs|
|Engine Weight||115000 lbs||116000 lbs||121000 lbs||142000 lbs|
|Tender Light Weight||60000 lbs||80000 lbs||84500 lbs||90500 lbs|
|Total Engine and Tender Weight||175000 lbs||196000 lbs||205500 lbs||232500 lbs|
|Tender Water Capacity||3000 gals||4000 gals||4000 gals||4000 gals|
|Tender Fuel Capacity (oil/coal)||800 gals||1000 gals||1000 gals||2000 gals|
|Minimum weight of rail (calculated)||43 lb/yard||43 lb/yard||45 lb/yard||53 lb/yard|
|Geometry Relating to Tractive Effort|
|Boiler Pressure||180 psi||180 psi||180 psi||180 psi|
|Cylinders (dia x stroke)||18" x 22"||18" x 22"||18" x 22"||19" x 26"|
|Tractive Effort||25966 lbs||25966 lbs||25966 lbs||29918 lbs|
|Factor of Adhesion (Weight on Drivers/Tractive Effort)||4.01||3.97||4.12||4.26|
|Firebox Area||126 sq. ft||135 sq. ft||135 sq. ft||133 sq. ft|
|Grate Area||22.20 sq. ft||22.20 sq. ft||22.20 sq. ft||28.20 sq. ft|
|Evaporative Heating Surface||1374 sq. ft||1117 sq. ft||1075 sq. ft||1569 sq. ft|
|Superheating Surface||250 sq. ft||231 sq. ft||332 sq. ft|
|Combined Heating Surface||1374 sq. ft||1367 sq. ft||1306 sq. ft||1901 sq. ft|
|Evaporative Heating Surface/Cylinder Volume||212.05||172.39||165.91||183.89|
|Computations Relating to Power Output (More Information)|
|Robert LeMassena's Power Computation||3996||3996||3996||5076|
|Same as above plus superheater percentage||3996||4715||4715||5939|
|Same as above but substitute firebox area for grate area||22680||28674||28674||28010|