Michael, Let's start with the biggest piano available and say that the sound that comes from that represents the standard. Assuming that the force of the hammer on a smaller piano is the same as our standard, the reason for there being less sound, therefore, must be due to limiting factors as compared to our standard - shorter strings, smaller soundboard, etc. It's not that a larger piano is using up a small amount of potential energy more quickly, it's that a smaller piano is limiting a large amount of potential energy. Wally Scherer Norfolk, VA WallyTS@compuserve.com
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