GB Class 1

GB Class 1 was a series of four trams and two trailers built by Hannoversche Waggonfabrik for Graakalbanen of Trondheim, Norway.

GB Class 1
Class 1 in 1927
Manufacturer	Hannoversche Waggonfabrik
Constructed	1924
Entered service	1924
Scrapped	1969, 1985
Number built	4 trams 2 trailers
Number preserved	1 tram
Number scrapped	3 trams, both trailers
Fleet numbers	1–4 (trams) 51–52 (trailers)
Operator(s)	Graakalbanen
Depot(s)	Munkvoll
Line(s) served	Gråkallen Line
Specifications
Car body construction	Wood
Car length	13.0 m (42 ft 7 ^3⁄4 in)
Width	2.6 m (8 ft 6 ^3⁄8 in)
Doors	4
Weight	29.0 t (28.5 long tons; 32.0 short tons)
Traction system	Siemens DY 711 a
Power output	200 kW (270 hp)
Electric system(s)	600 V DC
Current collection method	Pantograph
Track gauge	1,000 mm (3 ft 3 ^3⁄8 in) metre gauge

Each of the four Siemens motors had an effect of 50 kW (67 hp). There were two compartments, both with four-abreast seating, with reversible seats. Despite running in part in city streets, the trams were 2.6 m (8.5 ft) wide.[1]

The trams were taken out of service in 1968 and 1969. Two of the trams and both the trailers were scrapped the same year. No. 4 was kept as a working car until it was scrapped in 1985. No. 3 is preserved as a heritage tram at Trondheim Tramway Museum.[2]

References

1. Kjenstad, Rune (1994). På skinner i Bymarka. Baneforlaget. pp. 36–37. ISBN 82-91448-01-9.
2. Kjenstad, Rune (2005). Trikken i Trondheim 100 år. Tapir Akademisk Forlag. pp. 358–59. ISBN 82-519-1895-2.