Help! How to repair a cracked neck?

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Re: Help! How to repair a cracked neck?

Post by Brainfertilizer on Sun Sep 01, 2013 3:42 pm

So I strung it up to see what the string pressure would do, and as a natural way to hold the crack open while I stuffed it with glue.

I got about 0.5mm of space opened up.

Is that enough to stuff it with glue? Or should I try to get it open wider?
I'm a little nervous about trying for wider, because I'm worried the headstock might actually snap off...

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Re: Help! How to repair a cracked neck?

Post by Sgt. Vimes on Sun Sep 01, 2013 4:14 pm

looking at your pics I would guess 0.5 should be fine, you can use thin card to force the glue down into the depths of the crack where a spreader will not reach, or dental floss/wire.
get the glue in and wipe off the excess, let the join close and see where the glue seeps out, it should be a uniform seepage, if it isnt, open it up and apply more glue.
Good luck!
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Re: Help! How to repair a cracked neck?

Post by Brainfertilizer on Sun Sep 01, 2013 5:19 pm

Brilliant!
That's exactly the advice I needed (about the uniform seepage letting me know I did it right).

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Re: Help! How to repair a cracked neck?

Post by Brainfertilizer on Sun Sep 01, 2013 5:48 pm

Okay, so I packed the split with as much glue as I could. I used thin plastic envelope for the strings I just put on it to try to work the glue in as far as it could go, and to wipe up excess and push into the split.

The glue helped me to see the split was wider than I thought.

When I got all the glue in that I thought I could, I relaxed the strings, and glue seeped out all across the line, pretty evenly.

Then I grabbed the clamp and tightened it down, and more glue came out...glad you guys told me I'd need the clamp, even with the crack being pretty tight!

Wiped off the excess, and letting it set.

How long before I can take off the clamp and tighten up the strings?

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Re: Help! How to repair a cracked neck?

Post by Sgt. Vimes on Sun Sep 01, 2013 6:04 pm

"they" say 24 hours, I left mine 3 days just to be sure.

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Re: Help! How to repair a cracked neck?

Post by Brainfertilizer on Fri Sep 06, 2013 6:27 pm

Success!
The crack is sealed strong.
Can barely see the crack now, even under full string tension.
Great action.
Great single coil sound...sub-par humbucker sound. But sounds good split. So since it cost me $50 shipped to acquire, I might end up selling it. Dunno.

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Re: Help! How to repair a cracked neck?

Post by Sgt. Vimes on Fri Sep 06, 2013 8:21 pm

Good job! piece of cake eh?

what is the guitar? pix man!

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Re: Help! How to repair a cracked neck?

Post by Brainfertilizer on Fri Sep 06, 2013 11:51 pm

Oh, just a Yamaha SE 312. Nothing special.
If I have a good day on eBay, it might go for $100.

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Re: Help! How to repair a cracked neck?

Post by The Chad on Mon Sep 09, 2013 10:38 am

I think I saw Dan Earlewine use a hair dryer to force glue into a crack. Great idea!

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Re: Help! How to repair a cracked neck?

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