GNRI Class P

Great Northern Railway of Ireland 4-4-0 steam locomotive class

  • {J.C. Park
  • C. Clifford
Build date
  • 1892(P)
  • 1896(PP)
Total produced29[a]
Specifications
Configuration:
 • Whyte4-4-0
Gauge5 ft 3 in (1,600 mm)
Driver dia.
  • 6 ft 7 in (2,007 mm)
  • 5 ft 7 in (1,702 mm)
Boiler pressure175 lbf/in2 (1,206.58 kPa)
CylindersTwo, inside
Cylinder size
  • 17 in × 24 in (430 mm × 610 mm){P)
  • 18 in × 24 in (460 mm × 610 mm)(PP)
Train heatingsteam
Performance figures
Tractive effort13,840 lbf (61.56 kN)−15,340 lbf (68.24 kN)
Career
OperatorsGNR(I) → UTA → CIÉ
Number in class29
Numbers12, 25, 42–46, 50, 70–71, 74–77, 106–107, 129
[1]

Great Northern Railway Class P were two sets of 4-4-0 locomotives for the Great Northern Railway of Ireland (GNRI) introduced from 1892 by locomotive superintendent J.C. Park; four having 6 ft 7 in (2.01 m) driving wheels and eight having 5 ft 7 in (1.70 m) driving wheels. Park was succeeded by Charles Clifford who constructed 17 broadly similar locomotives from 1896 with 6 ft 7 in (2.01 m) driving wheels; these were designated Class PP.[2] The last PP class survived until 1963.[3]

Notes

  1. ^ Four Class P with 6' 7" wheels, and eight with 5' 7" wheels; Seventeen Class PP with 6' 7" wheels

References

  1. ^ Boocock (2009), p. 65.
  2. ^ Johnston (1999), pp. 70–71, 76–77.
  3. ^ Johnston (1999), p. 77.
  • Boocock, Colin (1 October 2009). "Locomotive Compendium Ireland" (1st ed.). Ian Allan. ISBN 9780711033603.
  • Johnston, Norman (1999). Locomotives of the GNRI. Newtownards: Colourprint Books. ISBN 1-898392-48-X. OCLC 43340833. OL 12248170M.
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