Windsor & Annapolis 4-4-0 Locomotives in Canada


Class Details by Steve Llanso of Sweat House Media

Class Kentville (Locobase 15657)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 17, p. 68. See also the Dominion Atlantic Railway Digital Preservation Initiative - Wiki at [], DAR0016, and DAR0021, last accessed 25 December 2013. (Thanks to Steve Meredith of the DARDPI for his 24 December 2013 email querying the two 4-4-0 entries then in Locobase.). Works numbers were 11974 in June 1891, 12544 in March 1892, and 14101 in September 1894.

Locobase feels confident in adopting the firebox and evaporative heating surface areas from the Cincinnati, Lebanon & Northern trio of Baldwin 4-4-0s shown in Locobase 12105 because the latter's areas are recorded in the specs and every dimension that figures in those areas is identical down to the 1/16" from that entry to this one. One difference is the surprisingly low boiler pressure, especially given the taller drivers.

The first of the three was named for the headquarters town of the W&A and its successor Dominion Atlantic. The second--Atalanta--was named for the Greek virgin huntress of Greek mythology (whose vow of eternal virginity was undone by her fondness for golden apples) and the third--Fortuna--for the Roman goddess of change.

All three served the DAR for at least two decades. Kentville was scrapped before 1920, Atalanta in July 1923, and Fortuna succumbed a month later in December 1923.


Class Oberon (Locobase 16512)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 18, p. 238. (Thanks to Chris Hohl for his emails suggesting that the Titania should also be described.) Works number was 13638 in August 1893.

At the same time the W&A ordered the Titania (Locobase 16511), it also ordered a brother. The only difference between the two was the driver diameter, which measured 4" (102 mm) smaller than those of the Titania.

NB: The Baldwin spec does not show the direct heating (firebox) surface area, but Locobase was able to identify other locomotives with very similar dimensions (length width, height front and back). The SAM locomotive shown in Locobase 9358 came closest but its firebox was 3" shorter, Establishing the Titania and Oberon's firebox as 74" led to a ratio of 1.048, which implied that their firebox heating surface area was approximately 143 sq ft as shown.)

Oberon was sold to the Dominion Atlantic in 1894 and renumbered 19. It was scrapped by 1920.


Class Titania (Locobase 16511)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 18, p. 238. (Thanks to Chris Hohl for his emails suggesting that the Titania should also be described.) Works number was 13615 in July 1893.

Titania came on the W&A two years after the first three 4-4-0s from Baldwin (Locobase 15657). It weighed more and had slightly more cylinder volume and significantly more firebox area. Brother Oberon, a virtual duplicate, appears in Locobase 16512.

NB: The Baldwin spec does not show the direct heating (firebox) surface area, but Locobase was able to identify other locomotives with very similar dimensions (length width, height front and back). The SAM locomotive shown in Locobase 9358 came closest but its firebox was 3" shorter, Establishing the Titania and Oberon's firebox as 74" led to a ratio of 1.048, which implied that their firebox heating surface area was approximately 143 sq ft as shown.)

Titania was sold to the Dominion Atlantic in 1894 and renumbered 20. It was scrapped by 1920.

Principal Dimensions by Steve Llanso of Middle Run Media

ClassKentvilleOberonTitania
Locobase ID15657 16512 16511
RailroadWindsor & AnnapolisWindsor & AnnapolisWindsor & Annapolis
CountryCanadaCanadaCanada
Whyte4-4-04-4-04-4-0
Number in Class311
Road Numbers10, 14, 17 /12, 16, 211516
GaugeStdStdStd
Number Built311
BuilderBurnham, Williams & CoBurnham, Williams & CoBurnham, Williams & Co
Year189118931893
Valve GearStephensonStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 8.25 / 2.51 8.75 / 2.67 8.75 / 2.67
Engine Wheelbase (ft / m)22.17 / 6.7622.75 / 6.9322.75 / 6.93
Ratio of driving wheelbase to overall engine wheelbase 0.37 0.38 0.38
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)50,000 / 22,68061,000 / 27,66961,000 / 27,669
Engine Weight (lbs / kg)80,000 / 36,28795,000 / 43,09195,000 / 43,091
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)2800 / 10.613000 / 11.363000 / 10.61
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)3 / 3 / 3
Minimum weight of rail (calculated) (lb/yd / kg/m)42 / 2151 / 25.5051 / 25.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)66 / 167662 / 157566 / 1676
Boiler Pressure (psi / kPa)130 / 9140 / 9.70140 / 9.70
High Pressure Cylinders (dia x stroke) (in / mm)17" x 24" / 432x61018" x 24" / 457x61018" x 24" / 457x610
Tractive Effort (lbs / kg)11,613 / 5267.5714,925 / 6769.8714,020 / 6359.37
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.31 4.09 4.35
Heating Ability
Tubes (number - dia) (in / mm)188 - 2" / 51188 - 2" / 51188 - 2" / 51
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)10.92 / 3.3310.87 / 3.3110.87 / 3.31
Firebox Area (sq ft / m2)116.30 / 10.80143 / 13.29143 / 13.29
Grate Area (sq ft / m2)16.57 / 1.5417.40 / 1.6217.40 / 1.62
Evaporative Heating Surface (sq ft / m2)1183 / 109.901213 / 112.691213 / 112.69
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1183 / 109.901213 / 112.691213 / 112.69
Evaporative Heating Surface/Cylinder Volume187.48171.57171.57
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation215424362436
Same as above plus superheater percentage215424362436
Same as above but substitute firebox area for grate area15,11920,02020,020
Power L1399939454200
Power MT352.65285.15303.59

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