by haqnmaq, published
Recent Commentsview all
I actualy bought a little horn like this about 2 years ago and it's an amazing little noise maker!
I don't know about your design but the inner tube on that one was just a touch longer than the outer tube (maybe 0.5 to 1mm) causing the "diaphram" to slightly strecth over it when the cap it put on.
Notes: Make sure the balloon is tight across the end with no wrinkles!
You also might have to clean out the inside of the horn where the plastic has bridged. I have not tested this design, so it might or might not work. Although it will most likely work. Please let me know if you build it and let me know how well it works...thanks
Updates: I have updated the airhorn file to make it easier to drill the hole. (this is to just make things easier for you) I have also added the sketchup files in case you would like to modify my design.
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