.....thinking moisture content might be the key but maybe there is a species
correlation....

For sure there is. Just Google "tonewood" Wiki has quite a good write up. The tuning will very according to the dimensions of each block. Coarsely tune them by cutting them to size and fine tune by planing till they sound in tune.

Cheers,

Frank


On Saturday, 9 December 2017 19:13:09 UTC, Electric Comet wrote:
making some wind chimes and found some pieces have a nice ting and some
just sound dead

thinking moisture content might be the key but maybe there is a species
correlation

so many scraps and not sure what they are


now tuning them is another story