MM15c Motor Rail 'Simplex' War Department Light Railways Petrol Tractor

Scale = 4mm to the foot (1:76.2)

Gauge = 9mm (009)

Including Chassis MPD18 Kit

History

These locos have become more commonly known today as ‘Simplex’ and were constructed for the British War office for use on the forward area trench supply railway networks during the First World War, 1914-1918. The requirement was for a larger and more powerful loco than the existing 20HP open locos. Using common engine and under frame, three versions were built: OPEN (O) - without doors and fitted with a light roof; PROTECTED (P) - with a heavier roof, doors and side and end visors; ARMOURED (A) - with a fully enclosed body able to withstand small arms fire and shrapnel.

The protected variant was the most numerous type of this locomotive with over 200 examples built. Armoured locos as built numbered only 27 but a later conversion of open types increased this to an unknown total. After WW1 many, both in France and in storage in the UK, were sold off as surplus and used on industrial lines and in quarries, the most notable being the sand lines around Leighton Buzzard, Bedfordshire. Other users include the Festiniog Railway and Knostrop Sewage works in Leeds.

Currently (2007) a number of these preserved locos can be seen at: the Leighton Buzzard Narrow Gauge Railway, Beds (P) and (A), the latter under restoration; Duxford Museum, Cambridgeshire (P); Amberley Working Museum, West Sussex (O); the Festiniog Railway, Porthmadog, Gwynedd is home to 2 open Simplexes. A further protected loco is in the care of the Moseley Industrial Railway Trust and has visited several lines in the UK and France.

The name SIMPLEX is a trade name used by Motor Rail Ltd. for its loco series and later as part of its company name, Simplex Mechanical Handling Ltd. In 1987 the locomotive side of the business was taken over by Alan Keef Ltd., light railway engineers and loco builders who now supply new Simplex locos to the UK and export them for use around the world. We are grateful to Alan Keef Ltd for their permission to allow us to use the Simplex logo on our kits.

Bibliography

Recommended sources of inspiration and information:-

  • Light Railways of the First World War, Davies WJK, David & Charles
  • Narrow Gauge at War, Taylorson (Keith), Plateway Press
  • The Leighton Buzzard Light Railway, Davies WJK, Oakwood Press

About this kit

The castings and etched parts supplied in this kit will enable one loco of either ‘armoured’ or ‘protected versions to be constructed and includes a MPD18 Midge Minimotor power drive unit kit (18MM wheelbase) which has been developed for use with this kit in place of the Jouef chassis.

MM15 War Department Light Railways Motor Rail Simplex Petrol Tractor
MM15 War Department Light Railways Motor Rail 'Simplex' Petrol Tractor
MPD18 Midge Minimotor power drive unit kit
MPD18 Midge Minimotor power drive unit kit

We are always looking for photographs of our kits built by you - please email to us and we may feature them on this website!

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