Now that the 2007 Science Olympiad season is well over, I am releasing photos of a concept boomilever I made before regionals. Here is a video of the testing of the boomilever:

The boomilever broke because of all the force that was applied outwards on the bottom chords. The boomilever simply “split” apart and [...]

Objective: To build a boomilever with the greatest efficiency.
Basic Design:
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 boomilever is inherently better than the [...]