VR Class Dr16

Last updated
Class Dr16
Taconite train 5053 at Hangas Oulu Finland.jpg
Three Dr16s heading a freight train at Hangas, near Pikkarala, northern Finland, 2001
Type and origin
Power type Diesel-electric
Builder Valmet Oy, Tampere (numbers 2801–2809)
Transtech Oy, Otanmäki and Taivalkoski (numbers 2810–2823)
Oy Strömberg Ab, inverters, generator and motors
Build date1985–1992
Total produced23
Specifications
Configuration:
   UIC Bo′Bo′
Gauge 1,524 mm (5 ft)
Wheel diameter1,250 mm (49.21 in)
Length17.60 m (57 ft 9 in)
Width3.2 m (10 ft 6 in)
Height4.73 m (15 ft 6 in)
Axle load 20.5 t (20.2 long tons; 22.6 short tons)/21 t (21 long tons; 23 short tons)
Loco weight82 t (81 long tons; 90 short tons)/84 t (83 long tons; 93 short tons)
Fuel type Diesel
Prime mover Pielstick 12PA4-V-200VG
Wärtsilä Vaasa 8V22 (2803/2804)
Transmission Inverter-driven three-phase AC induction motors
Performance figures
Maximum speed140 km/h (87 mph)
Power output1,677 kW (2,249 hp) (1,500 kW (2,000 hp) 2803/2804)
Tractive effort 270 kN (61,000 lbf)
Career
Operators VR
Class Dr16
Number in class18
Numbers2805–2813, 2815–2823
NicknamesIso Vaalee (Big White)
Localenorthern and eastern Finland
Current ownerVR
DispositionIn Service

The Dr16 is a class of diesel-electric locomotives used by VR (Finnish Railways). The 23 locomotives have a single, off-centre cab and are currently VR's most powerful diesel locomotives. Their nickname is "Iso Vaalee" (Big Blonde). They are presently mainly used on heavy freight services in northern Finland; their main passenger duty is the haulage of trains on the non-electrified line between Kemi and Kolari in Lapland. [1] Dr16 locomotives were also used extensively on the line between Oulu and Rovaniemi, prior to the completion of the electrification of the line in 2004. [2]

Contents

History

A Dr16 class locomotive at Oulu in 2009. VR Dr16 locomotive in Oulu Jul2009 001.jpg
A Dr16 class locomotive at Oulu in 2009.

In the beginning of the 1980s, Valtionrautatiet needed new locomotives to replace its aging Dr12 and Dv12 class diesel locomotives. [3] The company had installed a bigger engine on a Dr12 (which became the Dr15) and modified one Dv12 to run on electricity instead of diesel. [4] However, the company wanted a totally new locomotive, and finally chose Valmet's type M in 1983, with Strömberg providing the electrical components. [5] VR originally ordered 23 locomotives, [6] with an option of 20 more when the first series were delivered. [7]

Four prototypes

It was originally planned that two locomotives would be first built as prototypes, [6] the first of them being fitted with a Wärtsilä engine and the second one with the Pielstick. [8] When the first prototype ran on its own on 22 April 1985 for the first time, [9] there was a Pielstick engine under its engine cover, because the Wärtsilä one had proved three tons too heavy. [8] When completion of the Wärtsilä engine was delayed a second time, the second prototype was also fitted with a Pielstick. [10] Due to these engine problems, the number of prototypes was extended to four in January 1986. [10] The locomotives, numbered 2801–2804, were taken into service in 1985–1987: [11] the first two had a Pielstick engine, the latter two a Wärtsilä. [10] On 13 March 1989 VR confirmed that Pielstick engines would be fitted on all the upcoming locomotives. [12] The Wärtsilä engines were kept on the two prototypes, as refitting them would have been too costly. [13]

The main series

After an extensive testing programme, the 19 series locomotives were delivered between 1990 and 1992. [14] The manufacturer had anticipated a larger series to be ordered to replace old heavy line diesels (Dr12 and Dr13); however, the rapid progress of the electrification of Finnish main lines decreased the need for new heavy diesel locomotives and thus no further orders materialized. [12] The locomotives were designed and assembled in Finland, either by Valmet Oy at Tampere (numbers 2801–2809) or by Transtech Oy at Otanmäki and Taivalkoski (numbers 2810–2823). [15]

Technical information

Originally the engines were planned to be of Finnish design (Wärtsilä Vaasa 8R22), but after tests with two prototype locos, the engine type was changed into French Pielstick 12PA4-V-200VG. [16] The Pielsticks produced originally 1,660 kilowatts (2,230 hp), but in 1997 they were limited to an output of 1,500 kilowatts (2,000 hp) to increase durability. [17]

The locomotive was very modern at its time and it was among the first [6] to use microprocessor-controlled GTO thyristor inverter-driven three-phase asychronous AC motors. [18] The construction is modular, [19] and data is transmitted via optical fiber cables between modules.[ citation needed ] The maximum speed is 140 kilometres per hour (87 mph). [20] The maximum frequency of the inverters corresponds to 156 kilometres per hour (97 mph), and the locomotive has reached that in test runs.[ citation needed ] The locomotive provides 400 kW 1500 V electricity for heating of passenger cars. [21]

Livery

The first two prototypes were painted in a white/red livery to go with VR's recent InterCity brand, showcasing the VR logo next to the cab. [22] [23] The final livery (starting from number 2803) added some grey on the side of the engine covers. [24] Two of the locomotives (numbers 2816 [25] and 2819 [26] ) have been repainted in a new white/green livery in 2010 and 2011. These have been called Iso Kalpee (Finnish for "Big Pale") by railroad enthusiasts.[ citation needed ]

Fleet details

An aerial view on the scene of the level crossing accident at Ii. Iin junaonnettomuus, ilmakuva onnettomuuspaikalta.jpg
An aerial view on the scene of the level crossing accident at Ii.
Six locomotives were involved in a shunting accident in Vartius in 2006. All were returned to service. Shunting accident in Vartius, Finland 2006-08-22 2.jpg
Six locomotives were involved in a shunting accident in Vartius in 2006. All were returned to service.

Of a total of 23 built locomotives, five Dr16:s have been withdrawn from service and/or scrapped. This includes all of the prototype locomotives (numbers 2801–2804), which were withdrawn between 2004 and 2009. [27] [28]

In addition to the prototypes, one series locomotive, number 2814, was scrapped in 2000 after sustaining serious damage in a level crossing accident near the municipality of Ii. [27] [29] After the accident, the obstruction clearing device of the Dr16 was redesigned and strengthened according to the recommendation of the accident investigation board. [27] [29]

Prototype locomotives
BuiltFirst test runsOfficial deliveryWithdrawnNotes
280122 April 198525 June 198628 June 198920 January 2004Pielstick engine.
280216 February 198616 March 198728 June 1989July 2009Pielstick engine. Closest to the series locomotives.
280331 October 198630 December 198628 June 198920 January 2004Wärtsilä engine.
280423 January 198730 September 198728 June 198930 November 2004Wärtsilä engine.
Series locomotives
DeliveredWithdrawn
280528 December 1990
280628 December 1990
280728 December 1990October 2014
280828 December 1990October 2014
280911 February 1991
28104 March 19916 July 2020
281110 April 1991
281220 May 1991
281325 June 1991
281430 August 19919 February 2000
281527 September 1991
281625 October 1991
281722 November 1991
281820 December 1991
281923 January 1992
282021 February 199223 February 2018
282126 March 1992
282224 April 1992
282330 June 1992

Sources: Pentikäinen 2006 , pp. 40, 50, 60, 100, 128; Isovaalee.info

Variants

Ttm1

The Ttm1 at Valtimo. Ttm1 N-veturi.jpg
The Ttm1 at Valtimo.

Also known as type N locomotive (Finnish : N-veturi) or Dv13. It is a smaller work locomotive that implements some of the components of the Dr16. [30] The two locomotives share also the same computer system. [30] It is owned nowadays by Maansiirto Veli Hyyryläinen Oy (part of Destia group).[ citation needed ]

Sx prototype

Valmet originally prepared the Dr12 to be modified as a full electric locomotive while building it, designing it for speeds up to 180 km/h (110 mph). [31] It was estimated that the electric and diesel variants would share 80% of their parts. [32] However, VR finally ordered the Sr2 locomotives from SLM and ABB.

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References

  1. Pentikäinen 2006, pp. 115–134.
  2. Pentikäinen 2006, pp. 130–131.
  3. Eonsuu, Honkanen & Pölhö 1995.
  4. Pentikäinen 2006, p. 16.
  5. Pentikäinen 2006, p. 19.
  6. 1 2 3 Pentikäinen 2006, p. 20.
  7. Pentikäinen 2006, p. 54.
  8. 1 2 Pentikäinen 2006, p. 30.
  9. Pentikäinen 2006, p. 40.
  10. 1 2 3 Pentikäinen 2006, p. 50.
  11. Pentikäinen 2006, pp. 49–80.
  12. 1 2 Pentikäinen 2006, p. 74.
  13. Pentikäinen 2006, pp. 74–75.
  14. Pentikäinen 2006, p. 100.
  15. Pentikäinen 2006, p. 99.
  16. Pentikäinen 2006, pp. 30–31, 74.
  17. Pentikäinen 2006, p. 127.
  18. Pentikäinen 2006, pp. 104, 111.
  19. Pentikäinen 2006, p. 106.
  20. Pentikäinen 2006, p. 108.
  21. "Dr16-veturi maailman huipulta". Resiina (in Finnish): 67–71. February 1989.
  22. Maasalo, Esko (12 June 1986). "Vaunut.org - Kuva" . Retrieved 15 June 2011.
  23. Muurinen, Tapio (April 1988). "Vaunut.org - Kuva" . Retrieved 15 June 2011.
  24. Pentikäinen 2006, p. 59.
  25. Pentikäinen, Petri P (28 February 2011). "2816 vihrein kuvioin liikenteessä" (in Finnish). Petrin Viestintä. Retrieved 10 May 2011.
  26. Pentikäinen, Petri P (22 August 2010). "2819 valmis" (in Finnish). Petrin Viestintä. Retrieved 10 May 2011.
  27. 1 2 3 Pentikäinen 2006, p. 128.
  28. Pentikäinen, Petri P. "2802" (in Finnish). Petrin Viestintä. Retrieved 10 May 2011.
  29. 1 2 "B1/2000R Onnettomuus Iissä Akolan vartioimattomassa tasoristeyksessä 9.2.2000". Accident investigation board of Finland. 11 September 2000. Retrieved 12 May 2011.
  30. 1 2 Pentikäinen 2006, p. 112.
  31. Pentikäinen 2006, p. 27.
  32. Pentikäinen 2006, p. 29.

Literature

  • Eonsuu, Tapio; Honkanen, Pekka; Pölhö, Eljas (1995). Suomen veturit osa 2. Moottorikalusto. Elokuvan Maailma. pp. 38–39. ISBN   952-5060-02-0.
  • Pentikäinen, Petri P. (2006). Iso Vaalee. Petrin Viestintä. ISBN   952-92-0413-2.