9 votes

What is the length of a DUPLO train bridge?

Based on the layouts from this answer, a half-bridge seems to be 2 straight tracks + 1 quarter-circle (split mid-track at the end, because the middle of the bridge is centered with the crossing track ...
André Fernandes's user avatar
8 votes

Long train Bridge tension and compression angles (minimum brick count)

The compression member in your design looks thin to me, and the tension member oversize (assuming they are the top and bottom respectively). I would use string for tension and the technic beams for ...
Móż's user avatar
  • 2,072
6 votes

How to build bridge using 4.5/12v train rails from 1969 Lego brochure

Thanks for your help with this construction. I have made a faithful copy of this 1968 catalog bridge, pics:- Also a list of components. Hope that's helpful. I have a 12 image photo diary of the ...
user7452's user avatar

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