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I had drilled the pinblock at a diameter slightly below the final choice. There is no absolute formula for predicting the torque of the tuning-pins. It depends on how far into the block you drive the pins, and how old the pin-block timber is. In this case I used longer pins than the originals, meaning that the correct torque can be achieved with a slightly looser fit than would be the case with shorter pins. Each hole had to be drilled out a fraction. I measure the torque with every pin to check for consistency. I have no time for the notion of saving time by banging the pins in and hoping for the best. There's no hope here, just certainty.
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