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THIS IS THE TEST SITE OF EUROBRICKS! ×
THIS IS THE TEST SITE OF EUROBRICKS!

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Posted (edited)

VR Class Dm3 and Dm4 were multiple units used by the Finnish State Railways (VR) in 1952–1972. Ten of both series were ordered in 1949. They were manufactured by Valmet in 1952–1953. Four more Dm4 multiple units were ordered and manufactured in 1954. Sadly, all have been scrapped.

Dm4 had an engine at both ends of the carriage, while the Dm3 had a luggage compartment instead of the engine at one end. In 1956–1959, all Dm3 series were converted to Dm4 by adding an engine instead of the luggage compartment.

Technical data
Maximum speed: 110 km/h
Length: 21 000 mm
Width: 3 194 mm
Wheel system: originally B´B´, 1A0A01 (the poorly functioning cardan shaft that transferred power from the inner wheelset to the outer wheelset was later removed, resulting in two driven axles)
Wheel length: 16 200 mm (Dm3), 16 400 mm (Dm4)
Wheel diameter: 960 mm
Weight in running order: 40.6 t (Dm3), 47.5 t (Dm4)
Engines: General Motors 2-stroke 12-cylinder twin diesel engine 
(two straight-six cylinders coupled together by a gearbox)
Power: 350 hp

https://commons.wikimedia.org/wiki/Category:VR_Class_Dm4

Here is my model of Dm4 1609 in 1:42 scale - 10 studs wide. It is powered by a 12V train motor and it has 12V lights. It's all genuine LEGO. I used some electrical tape for the front stripes and stickers of course.
I built it in 2021 and have been going back to it for a couple of years now. It's not quite finished yet; I can't get the bogies right and I need to figure out how to make the side walls curvature without compromising the inside structure.
 
 
 
 
 
 
 
54269343177_5812d47dcc_c.jpgIMG_2108_INSIDE_FULL by Aleksi Perälä, on Flickr

There's a three-unit carriage that goes with it that I will be adding here once I get a chance to take photos of it. I've also built a mail carriage based on proposed technical drawings; it was never built in real life.
 
 
Edited by Aleksi Perala
edited photos

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