Popsicle Stick Bridges

I have built many different models of popsicle bridges. You can check them out one my popsicle bridges page. Popsicle bridges provide a unique challenge because of the limited length of the popsicle sticks. This hurts the inherent strength especially in tension. Ideally, a member of the bridge in tension would be one long continuous … Read more

Cutting Strips of Balsa

There are several reasons you should cut your own strips of wood: It saves money It saves time Helps you get familiar with the wood Increases your skills as a builder Video Tutorial Video is about 4 minutes long. DISCLAIMER: I am not responsible for any injury caused by someone using this technique. I recommend … Read more

5 Steps to Building a Model Bridge

This ebook, 5 Steps to Building a Model Bridge, answers the most common questions people have about building bridges. In the ebook I outline the steps of building a model bridge, and then walk people through the actual construction of a bridge. The ebook contains many photos and illustrations, as well as 25 bonus tips.

Science Olympiad Boomilever

Objective: To build a boomilever with the greatest efficiency. There are two basic types of boomilevers. First is the tension boomilever, where the tension chord is longer than the compression chord. Second there is the compression boomilever, which is the opposite of the tension. It is generally accepted that the tension…

Beautiful New Gram Scale

I am very excited to show off this new digital gram scale I ordered off Ebay. This digital scale measures to 0.01 grams, which is a major improvement over the team scale, which only measures to 0.1 grams.The best part is that it only cost $20, shipping included. A hot deal if you ask me. … Read more

25 Bridge Building Tips

1. Humidity affects the weight of your bridge. Keep your bridge in a closed container with a few grains of rice. or some silica gel packets. 2. Go easy with the glue bottle. As a general rule of thumb, if you can see it then you are using too much. 3. Keep your hands clean! … Read more

Bridge Joints

The type of joint you use on your bridge can drastically change its strength. There are three basic types of joints, the Lap Joint, End Joint, and Notched Joint. To increase the strength of an end or notched joint you can add a Gusset. Learn about each type of joint and when to use it on a model bridge in this article.

Bending Wood

I have developed a system for bending wood for my arch bridges, and though I do not claim it is the best way, it works well. It does require some materials and equipment that hopefully you will already own and not need to get. I have a pot, or basin rather, that is about 18″ … Read more