21/07/2026
40 foot Bailey bridge
Being an ex Royal
Engineer in the 60-70’s and built these beasts for real it was only fitting I
should make one. I found some files in the web for a 1:100 scale bridge. That was
the staring point each file way re-drawn to 1:76 scale by 131.57%.
The components parts
were merged in the 3d print slicer to form one side of the bridge. Both sides
were assembled in a card jig to make sure the transoms aligned correctly. 5 stringers
were fitted to each bay 30 in total.
I use EMA plastic
weld to join my PLA printed parts. The chesses are actually printed as a block
of 13 I felt this would give the structure one strength.
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