#1
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Glue neck in again...
I want to glue the dovetail neck in again.
Where should the glue go? The whole room in the Swallowtail surely does not have to be filled out. I have applied colored dots. Which places need to be smeared with glue? The red dotted surface under the tongue of the fingerboard surely. But the other areas?? I´m sure somebody knows...
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Thanks! Martin D28 (1973) 12-string cutaway ...finished ;-) Hoyer 12-string (1965) Yamaha FG-340 (1970) Yamaha FG-512 (ca. 1980) D.Maurer 8-string baritone (2013-2014) and 4 electric axes |
#2
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Have you reset your neck yet to the correct angle
If you have then glue goes to green and red, no glue used in the blue area Steve
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Cole Clark Fat Lady Gretsch Electromatic Martin CEO7 Maton Messiah Taylor 814CE |
#3
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Thanks!
I have measured and made the correct angle of the neck. I´ll glue tomorrow...and hope nothing will slip, especially the shim under the fingerboard.
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Thanks! Martin D28 (1973) 12-string cutaway ...finished ;-) Hoyer 12-string (1965) Yamaha FG-340 (1970) Yamaha FG-512 (ca. 1980) D.Maurer 8-string baritone (2013-2014) and 4 electric axes |
#4
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multiple tasks
Does it make sense to glue the shim to the back of the fingerboard first, wait till the glue grabs (or dries) and then attach the neck? I've never done this job, but I have wrestled with too many moving parts coated with glue, all trying their best to get out of place simultaneously....
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#5
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If a neck reset has been carried out, I glue my neck back in and leave any fingerboard shim out to start with, once the neck is glued in, i make a tapered shim to fit and slide in place.
If its just a neck removal and refit, i glue the fingerboard extension down at the same time Steve
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Cole Clark Fat Lady Gretsch Electromatic Martin CEO7 Maton Messiah Taylor 814CE |
#6
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FWIW, when I did dovetails, I only ever applied glue to the perimeter of the tongue, and very sparingly on the tenon, being careful not to let glue go into the bottom of the mortise...
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#7
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Quote:
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#8
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Thanks for all of your advices and experience!
__________________
Thanks! Martin D28 (1973) 12-string cutaway ...finished ;-) Hoyer 12-string (1965) Yamaha FG-340 (1970) Yamaha FG-512 (ca. 1980) D.Maurer 8-string baritone (2013-2014) and 4 electric axes |
#9
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How do the pro's deal with string tension when measuring where the neck angle should be? When I did a re- set I had a metal straight edge on the frets to be level with the bridge.. but when I put strings on it- the tension caused a change in the angle so the straight edge was lower than the bridge slightly...
Is this a frequent issue? And how does on set the neck angle to compensate for potential string tension/damaged bracing issues? |
#10
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You can overset a neck to accomodate for string pull up, however it is very rarely needed really one should take care of any other issue that has not been resolved.
For me, i keep it simple, truss rod straight, straight edge over the frets onto the bridge. Lock the new neck angle in. Any further action adjustment i do with the saddle. Steve
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Cole Clark Fat Lady Gretsch Electromatic Martin CEO7 Maton Messiah Taylor 814CE |
#11
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What everybody else has said and.... you want to make sure you've refitted the dovetail so that it is snug as you're putting it together. The heel should pull snug to the body and somewhat lock as you're putting it together... no need to over glue...
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#12
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Quote:
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Rodger Knox, PE 1917 Martin 0-28 1956 Gibson J-50 et al |
#13
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Quote:
On new guitar construction, the maker can anticipate, based on previous experience on their instruments, how much the top/bridge will rise when string tension is imposed upon it. About 1/16" is typical, depending on the guitar, how stiff the top is, the bracing ... When adjusting the neck angle, one can set it to allow for that 1/16" of rise. |
#14
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Quote:
1) How much the guitar pulls when strung versus unstrung. This s NOT just a change in relief....the top pulls up, too. 2) Desired saddle height. This is not the same with all guitars. 3) Bridge thickness While the straightedge is referenced from the top of the bridge, it still is a factor which determines the string height above the top. This should influence the decision on saddle height. 4) Desired action The perfect storm is when you have a guitar with more than the normal amount of pull, and the desired action is lower than typical. Then add a desired saddle height that is more than 5/32", and I guarantee that a neck angle with the straightedge touching the top of the bridge while unstrung will be underset. |
#15
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Rodger- That may be. I did not have a straight edge long enough to go from the first fret to the bridge. I am just trying to give the OP more info on how to fix their rig with insights on issues I ran into doing the same job. Excellent info all around though. Cheers.
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