Tension and compression

Compression is key in the tubes because  it balance and distributes the weight unfortunately our bridge failed due to lack of glue. Tension is so key because it balanced the forces up and down and this key function of the thin stripes. 

Mass 17 and weight 46

Completed

Hard at work day 3!

First one completed a bit late

Completion of both trusses

Just finished with getting the material! Now on to building it.