High Power Propeller Launcher
cults3d
Many of us had these kind of toys where we were kids, but our toys were not so powerful like this one. This is propeller launcher can launch the propeller up to the 30 meters (10 floors) in height and about the 40 meters in horizontal distance (have a look at video) https://www.youtube.com/watch?v=I97ja1ZNDd8. If you interested in making it, full description, parts required, upgrades and assembly instructions are available at Instructables website https://www.instructables.com/id/High-Power-Propeller-Launcher/
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