Concept and Construction
The HM V type trams, alongside the near-identical RM 3 type produced at the same time by Valmet, were the last development in a series of five near-identical tram types produced by Karia and Valmet for operations on the Helsinki and Turku tram network during the 1950s (the previous types being HM IV and RM 1 for Helsinki and RM 2 for Turku).
HKL ordered the HM V type trams from Karia, a daughter company of Suomen Autoteollisuus, in 1957. The series designation stands for Helsingin moottorivaunu, viides sarja (English: Helsinki motor tram, series five). Karia built the bodies and assembled the trams, while Sisu (another daughter company of Suomen autoteollisuus) supplied the bogies and Strömberg the electronics.
Read more about this topic: Karia HM V
Famous quotes containing the words concept and/or construction:
“To find the length of an object, we have to perform certain
physical operations. The concept of length is therefore fixed when the operations by which length is measured are fixed: that is, the concept of length involves as much as and nothing more than the set of operations by which length is determined.”
—Percy W. Bridgman (1882–1961)
“There’s no art
To find the mind’s construction in the face:
He was a gentleman on whom I built
An absolute trust.”
—William Shakespeare (1564–1616)