Equalising beam

An equalising beam, equalising lever or equalising bar[note 1] (German: Ausgleichshebel or Ausgleichhebel) links the suspension of two or more adjacent axles of a vehicle with more than two axles, especially railway locomotives. Its job is to provide 'compensated' springing,[1] i.e. to ensure an even and statically determinate distribution of load to all the axles on uneven terrain or poorly laid track. The function of an equalising lever thus corresponds roughly to that of axle compensators or rockers (Achswippen).

Railcar bogie, with equalising beam
Equalising beam on a Prussian T 3

Notes
  1. Or "equalizing" beam,etc.
gollark: (or properly for situations it wasn't really optimized for)
gollark: It's an effective one, since you don't have to rely on a glitchy evolved heuristic which might not work properly.
gollark: Also decision making.
gollark: Yes, human intuitions about probability and also all other things ever are pretty apioform.
gollark: If I don't try to implement a bee algorithm, I automatically fail at bee algorithm implementation, unless I happen to run into one by chance.

References
  1. Semmens, P.W.B. and Goldfinch A. J. (2003). How Steam Locomotives Really Work, Oxford and New York, OUP, pp. 242-243. ISBN 978-0-19-860782-3.


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