12 string bridge crack

The Achilles' Heel of Luthiery
tippie53
Posts: 7011
Joined: Fri Mar 03, 2006 7:09 pm
Location: Hegins, Pa
Contact:

Re: 12 string bridge crack

Post by tippie53 »

I like to do this with a cracked bridge

A tape under the bridge plate
B gently sand the bridge so that some dust gets into the crack
C take some birthday candles and set into the pin holes
D wick in some CA
E sand and 0000 steel wool with kiwi shoe wax

I will light the candels and allow the wax to thicken them so I can a nicer fit. You can also use sawdust. The tape will help keep the super glue from dripping. You need to get the CA all the way onto the crack so apply a drop at a time and go between the holes and do that about 2 3 times. Once you see the CA at the top of the bridge you know you should be good
John Hall
Blues Creek Guitars Inc
Authorized CF Martin Repair Center
president of Association of Stringed Instrument Artisans
http://www.bluescreekguitars.com
Zen
Posts: 301
Joined: Sat May 26, 2012 12:35 pm
Location: Ireland

Re: 12 string bridge crack

Post by Zen »

[q




Thanks for that John--would you let me know if you can open this link --its the only way I have found so far to post a pic/

https://picasaweb.google.com/1021752021 ... oevZ7K71aw
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RUSTY
tippie53
Posts: 7011
Joined: Fri Mar 03, 2006 7:09 pm
Location: Hegins, Pa
Contact:

Re: 12 string bridge crack

Post by tippie53 »

that one is severe indeed. This may be more a candidate for replacement Check to see that the bridge plate is not also broken.
John Hall
Blues Creek Guitars Inc
Authorized CF Martin Repair Center
president of Association of Stringed Instrument Artisans
http://www.bluescreekguitars.com
glasalle1
Posts: 190
Joined: Sun Aug 22, 2010 5:02 pm

Re: 12 string bridge crack

Post by glasalle1 »

looks like it split along the grain - maybe on the next one drill the pin holes in a slight semi circle?

Glenn
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