
This Week in the Classroom: Build Your Own CO2 Rocket Cars & Launching System
When I look at the popularity of CO2 rocket cars in STEM programs, its ubiquity and age hide a lot of potential for makers and project-based learning opportunities. The biggest drawback, as I see it, is the high cost of entry. Launching systems cost somewhere in the hundreds of dollars, tracks take up teaching space (60 linear feet for a good one) and wind-tunnels impress upon me the fine line between awesome and inappropriate. At a basic investment of $1000 to $3000 from the big companies. We still haven’t covered the cost of a classroom pack of car building supplies.
Betcha I can do it for less. What’s a makerspace for, if not developing your own infrastructure?
In order to incorporate CO2 racers into your Maker curriculum, you need three things: cars & parts, the launcher & track space. I’ll tell you how I made mine after the jump.
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