I saw that one too. Balancing them was interesting to see.
I got a rough idea of how he marked the spindle to find the off-balance, but couldn't work out how he then fine tuned it.
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Varmint, Mon 11 Sep 2017, 23:36,
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By how deep he set the metal slug into the body?
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clunk, Mon 11 Sep 2017, 23:48,
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