Best Balsa Wood Bridge Designs

See more ideas about wood bridge bridge bridge building. This is a fun intriguing project that will entertain an individual for hours. Another method which is used is to use a piece of balsa wood 1 4 square and sand it into a trapezoid shape then to sand a divot into the trapezoid and gusset the connection with a small balsa wood sheet seen here.

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I had never even come close to getting this amount of strength out of a bridge design before.

Best balsa wood bridge designs.

The team s bridge constructed entirely of 3 16 balsa wood weighed in at 30 5 grams that s 067 pounds on this side of the atlantic and held a whopping 44 pounds of pressure before the wood. It s strong and dries quickly so you will save a lot of time possibly enough time to build a test bridge and then improve the design. Most common balsa wood truss bridge designs that are used in competitions are of course warren pratt and howe. Many high school and college science and engineering classes will.

This is the question i get asked the most. Begingroup i ve built a few balsa wood bridges for school projects and have only one piece of advice to add to josh s. What is the strongest bridge design. No matter what design is used the larger the surface area of the base the better as the force is spread to a larger area.

Each of these has advantages and disadvantages. Dec 23 2016 explore kathleen colbath s board balsa wood bridge on pinterest. Each type could be the best for a specific situation and there are a ton of factors that engineers must consider when choosing which one to use. I built this bridge for the 2005 fernbank science center bridge design event.

Advanced bridges are usually focused on designs based on arched cantilever and bowstring bridges. This is the strongest bridge i have ever built. Jan 15 2019 explore cameron cooley s board balsa bridges on pinterest. See more ideas about bridge design bridge building spaghetti bridge.

I was really surprised. Some of the most common competition requirements are. My teacher has said that the arch is the strongest bridge design but also says that an arch would be difficult to do with balsa wood. 5 steps to building a model.

Endgroup taylorr137 feb 27 13 at 2 14. Requiring builders to achieve at minimum set bridge span. The bridge spanned 16 inches weighed 37 grams and held 346 pounds. Cutting strips of balsa.

This instruction set will teach you how to design and construct your own bridge made out of balsa wood. That puts its efficiency over 4200. He recommends using trusses in our bridge as triangles are very strong for bridges and in general.

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