im buliding a bridge for a school competion i need ideas..?

Question

my teacher's gonna see how long it can last with about a pound of weight added to it..the bridge cant be more than heavier than 100 grams i dont know how much that is in pounds can you answer that too ohh and can you give me some ideas on how to build it or which bridge i should make it like

Answer 1

I know that a triangle design for the sides of the bridges increases the weight it can carry...

Answer 2

A 100 gram bridge is roughly 0.22 pounds. What type of material are you using for your project? Toothpicks, Popsicle sticks, etc. ?

Answer 3

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try here for Ideas....you can try them out to see if they work to..

Answer 4

A few suggestions I have from prior experience is to use trianglular support braces, because they have a stronger support. Also, I recommend using a type of wood called balsa wood, which is very light weight and ideal for building models. You can obtain this from various hobby/hardware stores.

Answer 5

Arched underneath and flat on top, try to mimic the structure of the vertical part of a construction crane (google image search one). Try and make it as narrow as possible (just enough to be stable with the load on it), so as to use your weight to make your triangular pattern more dense. Those are my ideas, but



www.toothpickdesign.com



should give you more!

Answer 6

balsa wood, elmers glue, patience (while the glue dries)



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