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Gluing bridge plate to X braces
http://www.luthiersforum.com/forum/viewtopic.php?f=10101&t=37080
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Author:  James W B [ Wed Jul 11, 2012 7:42 pm ]
Post subject:  Gluing bridge plate to X braces

So who glues the bridge plate to the x braces and who doesn`t.And does it make any difference? I know some folks notch their x braces for the bridge plate,and does this make a difference.Just wondering?

Author:  meddlingfool [ Wed Jul 11, 2012 8:06 pm ]
Post subject:  Re: Gluing bridge plate to X braces

I do. Just in case....

Author:  bluescreek [ Wed Jul 11, 2012 8:40 pm ]
Post subject:  Re: Gluing bridge plate to X braces

If wood is touching wood GLUE !!!!!

Author:  woody b [ Thu Jul 12, 2012 5:04 am ]
Post subject:  Re: Gluing bridge plate to X braces

bluescreek wrote:
If wood is touching wood GLUE !!!!!



Or you may get strange buzzes and noises.

Author:  James W B [ Thu Jul 12, 2012 6:36 am ]
Post subject:  Re: Gluing bridge plate to X braces

Ya know I`ve always done this,I just wasn`t sure if it was the right thing to do.I guess it`s like John and Woody say.

Author:  gozierdt [ Sun Jul 15, 2012 7:28 pm ]
Post subject:  Re: Gluing bridge plate to X braces

I've always felt the bridge plate to x-brace is pretty close to an endgrain joint
on the bridge plate side, so I don't think you get much mechanical strength,
but I always glue because, as said, you don't want any unglued wood joints
that can cause strange noises.

Author:  JasonMoe [ Mon Jul 16, 2012 1:32 am ]
Post subject:  Re: Gluing bridge plate to X braces

I glue my bridge plate on first since its flat. My X brace is curved and touches and is glued. Its a very important structure feature.

Author:  jfmckenna [ Mon Jul 16, 2012 7:23 am ]
Post subject:  Re: Gluing bridge plate to X braces

I've never glued the bridge plate to the x-brace. If I am understanding this correctly you are saying the edge of the plate to the sides of the x-brace? I usually shoot for about 1/16th inch space between the edge of the plate and the brace. I'm quite sure that this is one of those things that really doesn't matter ;)

Author:  Joe Sallis [ Mon Jul 16, 2012 11:00 am ]
Post subject:  Re: Gluing bridge plate to X braces

Quote:
I glue my bridge plate on first since its flat. My X brace is curved and touches and is glued. Its a very important structure feature


does anyone curve the bridge plate to match the cirvature of the top?

Author:  Barry Daniels [ Mon Jul 16, 2012 1:00 pm ]
Post subject:  Re: Gluing bridge plate to X braces

Sure do. Easy to shape it on a radius dish. Everything else that touches the top gets a radius so why not the bridge plate?

Author:  Daniel Minard [ Mon Jul 16, 2012 1:07 pm ]
Post subject:  Re: Gluing bridge plate to X braces

+ 1 on radiusing the bridge plate to match the top arch... And chamferring / gluing the edges where they butt against the X braces.

Author:  Todd Rose [ Tue Jul 17, 2012 6:59 am ]
Post subject:  Re: Gluing bridge plate to X braces

Radius, yes -- radiused lamination.
Chamfered edges, yes.
Touching X, no (look closely and you'll see the gap).
(Coated with CA for toughness, yes.)

No problems whatsoever with this design.

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