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Joining soundboard to angled neck   You are logged in as Guest
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JasonM

Posts: 724
Joined: Dec. 8 2005
From: Baltimore

Joining soundboard to angled neck 

I thought I remember reading here that some of you guys who use a neck angle of ~2mm don’t bother to compensate for this when cutting the rebate in the neck for the soundboard. Do you guys just plane the underside of the board or do you compensate?

My Luthier mentor suggested I compensate for the angle of the neck when making the rebate. In fact, he thinks I should not even use a neck angle and go with a straight neck since this is how he learned to build. But I tell him this is what we flamenco guitarist need for a proper setup. (I think) you would have to ramp the fretboard so much the frets wouldn’t seat properly right?

I saw an old post from Stephen Eden here shimming up his neck with a ruler to cut an angled rebate on the the router table. So I thought I’d do the same. Here is a picture of what I mean along with all the math I did to set it up for a 2.5mm forward angle:
https://www.instagram.com/p/BrEaJjpl1j8/?utm_source=ig_share_sheet&igshid=1oekz7mlw36jh

Havnt made the cut though.
  REPORT THIS POST AS INAPPROPRIATE |  Date Dec. 7 2018 2:43:26
 
RobF

Posts: 115
Joined: Aug. 24 2017
 

RE: Joining soundboard to angled neck (in reply to JasonM

Here is a simple jig for a router table, no math required :)

The white shim taped to the heel end is the same thickness as the rise...





Images are resized automatically to a maximum width of 800px

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  REPORT THIS POST AS INAPPROPRIATE |  Date Dec. 7 2018 3:58:01
 
JasonM

Posts: 724
Joined: Dec. 8 2005
From: Baltimore

RE: Joining soundboard to angled neck (in reply to RobF

Well That is just too easy, Rob . at least I buffed up my math skills for the next time I need to over engineer something. Guess I saw the ruler shim that SEden used and it stuck in my head.
  REPORT THIS POST AS INAPPROPRIATE |  Date Dec. 7 2018 4:35:30
 
Ricardo

Posts: 10830
Joined: Dec. 14 2004
From: Washington DC

RE: Joining soundboard to angled neck (in reply to JasonM

The Conde secret? Trigonometry

_____________________________

CD's and transcriptions available here:
www.ricardomarlow.com
  REPORT THIS POST AS INAPPROPRIATE |  Date Dec. 9 2018 17:03:55
 
constructordeguitarras

Posts: 1263
Joined: Jan. 29 2012
From: Seattle, Washington, USA

RE: Joining soundboard to angled neck (in reply to JasonM

quote:

I thought I remember reading here that some of you guys who use a neck angle of ~2mm don’t bother to compensate for this when cutting the rebate in the neck for the soundboard. Do you guys just plane the underside of the board or do you compensate?


The neck/soundboard assembly is so flexible that it is not necessary to angle the rebate in the neck that accepts the soundboard. After joining the two (and attaching the tail block, sides and back lining), I clamp the assembly on my solera, which has a ramp for the desired neck angle, and attach the back, which makes the angle between the neck and the soundboard permanent. It may be relevant that I don't glue the ends of the sides into the slots in the neck; they are just inserted.

_____________________________

Ethan Deutsch
www.edluthier.com
www.facebook.com/ethandeutschguitars
www.youtube.com/marioamayaflamenco
I always have flamenco guitars available for sale.
  REPORT THIS POST AS INAPPROPRIATE |  Date Dec. 11 2018 20:01:01
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