A few days ago, we reported that many makers or college students used 3D printers to create a variety of small rockets, but have you heard of 3D printed rockets using hydraulic launches? Recently, an Australian creator named Leo Rolph used a 3D printer and littleBits (a modular circuit board), together with our common household items, to create a "ultimate water rocket launch system". Plus a parachute system.
The three main modules of the system: the rocket launcher, the parachute module and the rocket coupling, were all designed by Rolph using 3D modeling software and then sent to the online 3D print service provider Shapeways. Of course, these components can also be printed using any ordinary desktop 3D printer.
In addition, the electronic control system for this rocket launch and parachute deployment is made up of LittleBits. Rolph put together two PET beverage bottles to create the main body of the rocket. In addition, he used some PVC pipes to make brackets for rocket launchers. The so-called parachute is made of ordinary plastic bags, and Rolph takes a few floss as a cord for the parachute. The rocket's tail is supported by foam or thin planks. It doesn't matter, it depends on what effect you want.
When the rocket, launch pad, and parachute deployment system are completed, the rocket itself is injected with approximately 1 in 6 water and then placed on the launch pad, where the internal gas is pressurized to 80-100 psi. So, when the littleBits switch turned on, the rocket immediately rose to the sky. When the rocket begins to descend, the parachute system will start and automatically open the parachute to help the rocket land safely.
"My goal is to make this project easier and more fun, and anyone can easily do it," Rolph said. The system works very well. The key is that it is not complicated at all. It is just a combination of small objects that seem less important in life. The idea is so simple!
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