"Caterpillar" - a freelance 4-12-2

by LBSC

Technical Particulars

  • Frames 33 " overall
  • Coupled Wheels 2½ " diameter
  • Three Cylinders 7/8 " bore x 1 1/8 " stroke
  • Slide valves driven by inside slip eccentric gear
  • Boiler barrel 3¾ " o.d., wide firebox with combustion chamber, coal fired

    • Drawings

    Six Sheet Drawing set available from Reeves (2000), cat no 29/513.

  • sheet 1 : General arrangement and main frames
  • sheet 2 : Driving wheels, coupling rods, axles, eccentrics
  • sheet 3 : Cylinder details
  • sheet 4 : Inside cylinder, inside and outside valve gear, mechanical lubricator, complete boiler
  • sheet 5 : Boiler details, smoke box
  • sheet 6 : Cab, fittings and tender

    • Castings

  • Main Horns and Axleboxes
  • Coupled & Driving wheels
  • Bogie, trailing truck and tender wheels
  • Tender bogie sideframes
  • Cylinder blocks and steamchests
  • Eccentric straps, pump bodies, etc.

    • Note : some castings are available from the Association.

    Construction Articles

    The constructional series appeared in English Mechanics between 27th September, 1935 and 27th March, 1936.
    TEE Publishing can supply a reproduction booklet of the constructional series [price was £4-25 in 2002].

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