![]() ![]() Co-founded by and, the project uses off-the-shelf hardware, 3D printed parts, and open source software to create an engaging scientific instrument that students can build and use themselves. Which is exactly what the Institute of Science and Technology Austria hopes to accomplish with the popSCOPE program. Modern education needs to be engrossing and hands-on if it’s going to make an impact. There’s no shortage of games and movies out there to entertain today’s youth, and just throwing a text book at them simply isn’t going to cut it anymore. It’s great to see different combinations explored, and we are certain there are more yet to come.Ĭontinue reading “Pouring Creativity Into Musical Upcycling Of Plastic Bottles” → Posted in Musical Hacks Tagged 2-liter bottle, air pressure, bottle organ, music, musical instrument, percussion, plastic bottle, reuse, soda bottleĬreating the next generation of scientists and engineers starts by getting kids interested in STEM at an early age, but that’s not always so easy to do. This is a percussion instrument more along the lines of the wine glass organ. We’ve featured bottles as musical instruments before, but usually as wind instruments like this bottle organ or the fipple. We hope it won’t be long before a MIDI-controlled variant is built by someone, perhaps incorporating an air compressor for self-tuning capabilities. Alcohol only makes us believe we are skilled without improving actual skill.īut that’s OK, this is Hackaday where we thrive on building machines to perform for us. Sadly for us, such skill does not come in a bottle. What’s even more impressive on display is the musical performance talent of this team, assisted by some creative video editing. But that is a relatively simple mechanical procedure. Pressure levels going up to 70 psi means changes in temperature and inevitable air leakage makes keeping this instrument in tune a never-ending task. Different beverage brands were evaluated for pleasing tone of their bottles, with the winners listed. The pitch of each bottle is tuned by adjusting pressure. Caps of empty bottles are fitted with commodity TR414 air valves. We are encouraged to reduce, reuse, and recycle such plastic products and playing Disney melodies on their Bottlephone 2.0 (video embedded below) showcases an outstanding melodic creation for the “reuse” column.ĭetails of this project are outlined in a separate “ How we made it” video (also embedded below). Many of us have a collection of empties at home. Perhaps it could even launch a two-stage water rocket?Ĭontinue reading “Robust Water-Rocket Launcher Gets The Engineering Just Right” → Posted in Misc Hacks Tagged launcher, pneumatic, remote control, rocket, soda bottle, solenoid, waterĬonvenient and inexpensive, plastic beverage bottles are ubiquitous in modern society. But if he manages to avoid that fate, such a hearty rig should keep flying for a long time. We’ve got to say the force with which the jaws close around the bottle flange is a bit scary - looks like it could easily clip off a wayward finger. He turned most of the printed parts into machined aluminum and Delrin, making for a very robust pneumatically operated stand. Honestly, the prototype was pretty good by itself and is probably where many of us would have stopped, but kept going. This allowed to test the geometry of the parts, operation of the mechanism, and how it interfaced with the flange on the necks of 2-liter soda bottles. The process started with a prototype, built mainly from 3D-printed parts but with a fair selection of workshop scraps to hold it together. Indeed, we’re mighty impressed by the completeness of the build, which was intended to create a station for charging and launching air-powered water rockets. That’s not to take away from anything accomplished with this build. In this case, though, we’ll respectfully disagree with assessment of his remote-controlled soda bottle rocket launcher as “overengineered”. Such projects always hold the potential for entertainingly over-the-top designs, materials, and methods. Normally when we run across a project that claims to be overengineered, we admit that we get a little excited. ![]()
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