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Old 04-22-2011, 10:31 AM   #13
Jay Close
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Join Date: Dec 2002
Location: South Carolina
Posts: 771
Default Re: Crack repair, pin or whip?

Here is my understanding of the pin vs. whip debate:

When a piece of wood cracks, it cracks at the weakest spot. Pins can close and stabilize a crack but that area, being made stronger, can now promote a crack in the next most vulnerable spot.

Whipping, strengthens the wood in a band around the piece. In effect it eliminates the weak spot(s) that respond to stress by giving way.

Were is my instrument, I'd go for whipping of a really bad crack. A simple fill and glue might be enough.
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