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/diy/ - Do It Yourself


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File: 100_0615.jpg (256 KB, 1200x1600)
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how?
what?
>>
>>1112978
literally just make a bell shape out of any material that rings
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>>1112978

Mix up a quick batch of bronze, pour in mold... wa la...bell...
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>>1112978
Use proper bell metal, it's n alloy of copper and arsenic.
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>>1112984
very few bells have historically been made out of arsenical copper, and OP would probably kill himself during the melt.
>>
File: Drum_vibration_mode03.gif (116 KB, 250x130)
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in terms of the shape, this might be relevant:

https://en.wikipedia.org/wiki/Eigenvalues_and_eigenvectors#Vibration_analysis
https://en.wikipedia.org/wiki/Vibrations_of_a_circular_membrane
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>>1112988
Oh come on. {\ddot {x}} isn't even a letter.
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>>1112978
https://www.youtube.com/watch?v=J5YJZFyMlgU
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>>1113071

https://www.youtube.com/watch?v=B_5a08RPYxE&t=12s
>>
https://youtu.be/hpye8w1XK7o



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