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Ed, Are you all set? Do you have all the information you need to build your chimes? If not, let me know and I'll be happy to help in any way I can. Chuck, Thanks again for your help. - Eric

Agreed -- I share your skepticism but I tuned for matching the acoustic and bar resonances anyway, as I enjoyed the exercise, figured it couldn't hurt, and didn't have the patience, inclination, and facilities to perform the experiments. So for me it remains in the realm of speculation. I...

Without a doubt shell modes (bell or radial modes, if I understand your term correctly) will result in axial air displacement. However, the air displaced by this effect is tiny, at least in comparison with the overall flexing. It's the area reduction of an ellipse versus a circle of same...

The chime doesn't produce axial sound, but the transverse waves generated diffract in all directions, making it appear that waves are being generated in an axial direction. This is particularly true for the lower frequencies, which are what one would eaisly see in a string dangling in the...

Another purpose of the cap is there for a striking surface. The directions are adamant about only striking the cap; the body of the tube will dent. I guess they really whack them in an orchestra setting. They are also adamant about striking the cap at a ninety degree angle, or the chime will...