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12
votes
1answer
1k views

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

I am interested in building a bridge for my layout and stumbled upon this forum post in which user 'Istokg' posted a picture of a train bridge made from the blue rails used in the pre-1980s train ...
8
votes
2answers
2k views

Bridge from just basic bricks?

I teach an after-school engineering class using LEGO bricks, one of our classes has the students build a bridge. Each student gets a custom set of about 150 2x4 bricks, about 300 2x2 bricks, and, if ...
6
votes
2answers
546 views

How strong are blocks in general - is adhesive necessary when building large structures?

I'm really intrigued by all the amazing bridge architecture and designs people come up with (for example: Lego Cable Stayed Bridge) and it got me wondering, do larger structures like that need any ...
3
votes
2answers
377 views

Suspension bridge building techniques

I am working on a suspension bridge with my sons and have encountered two problems. Our technique: 8x6 plates for the roadway 1x8 bricks (with side-holes) underneath each side of the roadway to ...