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/diy/ - Do It Yourself

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1112978 No.1112978 [Reply] [Original]

how?
what?

>> No.1112982

>>1112978
literally just make a bell shape out of any material that rings

>> No.1112983

>>1112978

Mix up a quick batch of bronze, pour in mold... wa la...bell...

>> No.1112984

>>1112978
Use proper bell metal, it's n alloy of copper and arsenic.

>> No.1112987

>>1112984
very few bells have historically been made out of arsenical copper, and OP would probably kill himself during the melt.

>> No.1112988
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1112988

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

>> No.1113069

>>1112988
Oh come on. {\ddot {x}} isn't even a letter.

>> No.1113071

>>1112978
https://www.youtube.com/watch?v=J5YJZFyMlgU

>> No.1113075

>>1113071

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

>> No.1113085

https://youtu.be/hpye8w1XK7o