Delwin D Fandrich wrote: > > How much energy loss--hence, how much > of a loss of sustain time--there is in the plate at this point depends > apparently on the precise characteristics of the individual plate--it's > thickness, and certain mechanical characteristics dependent on the pouring > and cooling rate of the casting, etc.--but there is a measurable amount of > vibration in that area that is damped by the bell and coupling bolt. > > Del Any comment on whether traditional sand cast or the vacuum process makes any difference in this regard ? -- Richard Brekne RPT, N.P.T.F. Bergen, Norway mailto:rbrekne@broadpark.no
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