Propeller Test Stand: Testing Lego Technic propellers with minumum safety risk

Building a helicopter it became clear that a rotor system built from Lego can generate significant thrust, as nicely shown by brick experiment ( However, there is a relevant damage risk to Lego parts and humans involved, once the rotor takes off. This MOC allows for testing various rotor and motor combinations, while generating minimum damage risk. It is based on a balance rigid enough to keep motor and rotor in place. The remote contol allows you to gain