Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 8, p. 108. See also , American Railroad Journal, Volume 34, No. 8 (28 February 1878), p. 227. Works number was 4362 in June 1878.
The J&B ran from the Junction with the Delaware Railroad (later the site of Harrington, Del), through Georgetown and Milford to arrive at Lewes, Del's breakwater (40 miles/64 km) and was completed in 1869. Nine years later, the railroad added a 4 1/2 mile branch line to the grounds of the Rehoboth Beach Association, a religious camp community. A year later, the line inched further into Rehoboth City(later Rehoboth Beach). This little Eight-wheeler was clearly meant to commemorate that event.
In its report, the ARJ noted that "[a]fter the completion of the extension the trip from Philadelphia to Rehoboth, by way of the Philadelphia, Wilmngton & Baltimore, the Delaware, and Junction & Breakwater roads, can be made without a change of cars."
Another branch line by the Breakwater and Frankford (owned by the J&B) ended 19 miles (31 km) away at Selbyville
Principal Dimensions by Steve Llanso of Middle Run Media | |
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Class | Rehoboth |
Locobase ID | 16232 |
Railroad | Junction & Breakwater |
Country | USA |
Whyte | 4-4-0 |
Number in Class | 1 |
Road Numbers | 5 |
Gauge | Std |
Number Built | 1 |
Builder | Burnham, Parry, Williams & Co |
Year | 1878 |
Valve Gear | Stephenson |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | 7.33 / 2.13 |
Engine Wheelbase (ft / m) | 20.96 / 6.58 |
Ratio of driving wheelbase to overall engine wheelbase | 0.35 |
Overall Wheelbase (engine & tender) (ft / m) | / 6.58 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
Weight on Drivers (lbs / kg) | / 22,680 |
Engine Weight (lbs / kg) | / 32,659 |
Tender Loaded Weight (lbs / kg) | |
Total Engine and Tender Weight (lbs / kg) | |
Tender Water Capacity (gals / ML) | 2000 / 2.65 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
Minimum weight of rail (calculated) (lb/yd / kg/m) | |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 57 / 1372 |
Boiler Pressure (psi / kPa) | 130 / 900 |
High Pressure Cylinders (dia x stroke) (in / mm) | 14" x 24" / 356x610 |
Tractive Effort (lbs / kg) | 9119 / 4136.31 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | |
Heating Ability | |
Tubes (number - dia) (in / mm) | 117 - 2" / 51 |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | 10.99 / 3.32 |
Firebox Area (sq ft / m2) | / 5.76 |
Grate Area (sq ft / m2) | 12.80 / 1.09 |
Evaporative Heating Surface (sq ft / m2) | 724 / 67.29 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 724 / 67.29 |
Evaporative Heating Surface/Cylinder Volume | 169.16 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 1664 |
Same as above plus superheater percentage | 1664 |
Same as above but substitute firebox area for grate area | |
Power L1 | |
Power MT |