Isaac OLEG wrote: >Indeed Richard, it is not only that the ratio fundamental/overtone is >changed, but I feel it like the fundamental is powered and then takes >the higer parts of the spectra with him. (very esoteric description !) > > > Actually... I kind of like that description. >The tone opens and warms, but it opens also when the cushion is build, >assuming we don't loose tension doing so. > > yes indeedy... >If one look closely at the layers of felt within a hammer one will se >that releasing the fiber above the stables goes directly under the >crown , around 11:00 an in the internal layers of the hammer, without >changing the outer core state much. It brings up the whole shebang, >but I feel mostly that the fundamental is powered, taking the highest >partials with it. I indeed prefer a tone that is driven by the >fundamental than by the highest partials, it is way more forgiving and >useable > > > > Well...actually you can measure this kind of thing... and next time I get a chance...which will be very soon now... I think I will. Cybertuner has a built in device for doing just this kind of thing. It will be interesting to see what exactly happens. Cheers RicB >I feel that not much tension is added with battery needling, but all >depends of the initial state of the cushion zone of course, the >tension within the hammer is certainly driven up . > >Experiences I will make will involve making pencil lines on the side >of a hammer and needling in the battery, in the cushion and near the >crown. I'll take pictures and I bet we will see where the move occur. > >Slicing hammers before and after battery needling should be >interesting as well > >Best regards to all. > >I' am back to the laboratory > >Isaac O > > > >
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