NOTIFICATION:This homemade propeller really works--powered by a rubber band--and it is fun to make a model airplane completely from scratch. However, it is a challenging project that I do not ask my middle school students to attempt. When they build planes, they use commercial 6" nose hook propellers from Kelvin.com, part number # 850654. It will take a lot of time, trial and error to get it to work. Below is only a stopgap description until...
