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Home > Network > Rotary snowplows

TCDD Rotary snowplows

Foreword

Snow abounds in Turkey and is essential to replenish the country water reserve. Snowfalls usually occur around December in most of Anatolia, a bit sooner in eastern Turkey. Sub-zero temperatures will last until around April. From one to several meters of snow can be expected, depending on the location.

Most of TCDD network is exposed to the hardships of winter, the lines in central and eastern Anatolia being the most exposed. THe flat land of the Anatolian plateau is also prone to snow drift and many snow protection galleries and fences had to be built.

We are presenting in this page the little material gathered to date regarding snow removal. Basically three standard gauge machines are shown:

  • Nohab 4 axles rotary snowplow delivered to TCDD in 1929.
  • Nohab 5 axles rotary snowplow .
  • Henschel rotary snowplow delivered to the CFOA in 1912
Akgedik snow protection gallery (between Çetinkaya and Malatya)

Akgedik snow protection gallery (between Çetinkaya and Malatya). The electrical clearance is very tight and insulated cables had to be used for the feeder cable. March 2000, Picture Erthuran

Karagöl snow protection gallery

Karagöl snow protection gallery (between Sivas and Çetinkaya). In addition to the gallery, vertical sleepers have been set up left and right of the track to contain snow drifts. March 2000, Picture Erthuran

Snow removal in modern days

TCDD is still using heavy equipment for snow removal. Modern snowplows and snowblowers have replaced the rotary snowplow. Unfortunatly, I don't have information regarding these newer items of equipment.

In addition, much of the snow removal is done either by the engine's pilots, or by the use of light equipment such as a truck-mounted snowplow. Unimog trucks are often used: this vehicle is widely used by the Turkish Army and spare parts are readily available.

It must be noted that de-icing and snow clearing in station is also a labour-intensive job because TCDD has few (if any) turnout heaters. Hence, the network is severely penalised during snow falls and heavy delays occur.

A TCDD Unimog truck

A TCDD Unimog truck. This Unimog truck is equipped for rail running. The front end of the truck is fitted for a snowplow, removed on this picture. The cab roof still has the opening for a machine gun turret, betraying its military origin. October 2002. Photo Derya Ferendeci, Irmak,

Nohab 4 axles rotary snowplow

  • Total quantity: 3
  • First year: 1929

This unit is steam powered. The rotary wheel can be operated in both direction in order to expel snow to the right or to the left side. The operating speed is 150 revolution per minute. The driver stand in the front end and can communicate with the fireman at the back using an internal electric system.

Main characteristics
Snowplow weight64t
Snowplow lenght11,68m
Heating surface132,3 m2
Tender weight46,6t
Tender length7,46m
Water capacity16,5 m3
Coal capacity7t
Overall length19,14 m

One of these snowplows became famous when it delivered the Orient Express on the 5 February 1929. The Orient Express was stuck in Çerkesköy, in Trakia, since February 1st by a storm of "frozen snow", ice and wind. Temperature went a low as -25°C, train heating and food supply became a problem. CIWL employees made inhumane effort to maintain the best condition possible for their customers. The passengers in return acclaimed the CIWL staff upon arrival in Sirkeci and no one complained about the trip. It is little known that the snowplow was brand new at the time and not yet officially delivered to TCDD.

One of these unit is preserved at Çamlik steam museum

Factory pictures of Nohab 4 axles snowplow

Factory pictures of Nohab 4 axles snowplow. Published "Construction des lignes de Chemins De Fer Irmak - Filyos & Fevzipasa - Diyarbekir" , p194.

The front end in work mode.

The front end in work mode. From Nohab sales catalog. Scan Eljas Pölhö

Another Nohab picture of the front end.

Another Nohab picture of the front end. The make shift buffer beam for transportation purpose is easily seen. From "Construction des lignes de Chemins De Fer Irmak - Filyos & Fevzipasa - Diyarbekir" , p195.

Posing in front of the snowplow at Çetinkaya, 11 January 1938

Posing in front of the snowplow at Çetinkaya, 11 January 1938, Gökhan Tunçbilek collection

Snowplow at work at Çetinkaya, 11 January 1938

Snowplow at work at Çetinkaya, 11 January 1938, Gökhan Tunçbilek collection

Snowplow at work somewhere along the Erzurum line in the 1930's.

Snowplow at work somewhere along the Erzurum line in the 1930's. From ""Erzurum'un Isletmeye Açilisi, 20.X.1939" Scan Ergin Tönük

Snowplow at work somewhere along the Erzurum line in the 1930's.

Snowplow at work somewhere along the Erzurum line in the 1930's. From ""Erzurum'un Isletmeye Açilisi, 20.X.1939" Scan Ergin Tönük

Nohab snowplow in Sivas, November 1955, photo Alan Swale

Nohab snowplow in Sivas, November 1955, photo Alan Swale

Close-up view of the tender

Close-up view of the tender, similar to the 45000' tender except for the closed-up coal bunker. Çamlik, September 2002. Photo JP Charrey

A view of the snowplow bogie

A view of the snowplow bogie. Çamlik, September 2002. Photo JP Charrey

Nohab 5 axles rotary snowplow

  • Total quantity: unknown
  • First year: unknown, prior 1914?
Main characteristics
Snowplow wheel dia830 mm
Length between bogie center pins6,0 m
Snowplow wheelbase8,2m
Number of cylinder2
Cylinder dia430 mm
Piston stroke560 mm
Boiler pressure12 bar
Grate surface2,39 m2
Heating surface134,27 m2
Superheating surface41,0 m2
Snowplow weight loaded76,2 T
Power700 HP
Plow speed:180 RPM
Tender wheel dia1000 mm
Tender wheelbase4,75 m
Tender water capacity21,5 m3
Tender coal capacity7 T
Tender weight loaded51,5T
Overall wheelbase16,57 m
Overall Length (over the buffers)20,65 m
Overall weight127,7 T
Factory picture of the 5 axles Nohab unit

Factory picture of the 5 axles Nohab unit. Scan Eljas Pölhö

Henschel Rotary snowplow

  • Total quantity: unknown
  • First year: 1912
steam rotary snowplow n°4, 1912

Henschel steam rotary snowplow n°4, 1912, Çamlik museum August 1996. Photo G. Tunçbilek

steam rotary snowplow n°4, 1912

Henschel steam rotary snowplow n°4, 1912, Çamlik museum August 1996. Photo G. Tunçbilek

steam rotary snowplow n°4, 1912

Henschel steam rotary snowplow n°4, 1912, Çamlik museum August 1996. Photo JP Charrey

steam rotary snowplow n°4, 1912,Çamlık museum, 1995, photo Peter Crush

steam rotary snowplow n°4, 1912,Çamlık museum, 1995, photo Peter Crush

 


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Page last modified on 23/09/2016 21:03