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#1
06-23-2020, 03:59 AM
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How change wrong angle with LMI Neck Joint Jig
I have a LMI Neck Joint Jig to make the dovetail joint of the neck and body.
The angle from side to top of the guitar at the neck block should be 90 degrees so that the jig works properly. Unfortunately I have measured 92 degrees instead of 90. What do I have to change that the neck sits correctly?
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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 
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#2
06-23-2020, 10:20 AM
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You won't ever have a 90 degree angle between the top and the sides of the guitar if you built any type of an arch into the top of the guitar.
I've used the LMI jig with success without a 90 degree angle. Just use the edge of the guitar on the centerline as your reference point and don't worry about the relationship between side and back. As an aside, you do need to make sure that the sides are completely flat in the area where the neck will attach.
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#3
06-23-2020, 10:47 AM
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Thanks for your confirmation!
__________________
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
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