> if you have a perfectly reasonable key ratio of 5.0 > should you have to do any monkeying around there Key ratio is _about_ 2:1 and for our purposes is expressed as a decimal, 0.5. That number is not necessarily optimal but is indeed reasonable. It needs to be measured more accurate though. To determine the change measurements should be done on B0 and B7. Precise measurements can best be done with a digital scale. Newton
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