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  #1  
Old 05-26-2007, 04:32 AM
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6ER Fretboard Radius

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How do you shape the radius on a 6 string bass fretboard?
The normal blocks are too narrow for wide necks..
If you can, add some links to the proper tools for the job.
Thanks.
  #2  
Old 05-26-2007, 06:29 AM
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Flat radius or buy it pre radiused.....t
  #3  
Old 05-26-2007, 07:33 AM
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Check out my thread on the Lado six string rebuild, I show how a built my own block.

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  #4  
Old 05-26-2007, 09:09 AM
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What is the actual prefered radius on a 6 string?

My 5 has 14 degrees.
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  #5  
Old 05-26-2007, 09:38 AM
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The preferred radius depends on the player. I had a Roscoe 6-string with a 14" radius. I build most all of my 6-strings with a 16" radius. I know of a couple guys who absolutely love a flat fingerboard.

For fretboard/fingerboard radiusing, I use a swing jig on a large belt sander. I can do a 12" radius on a 5-string in under 15 minutes, and it's within .005" of true the entire length. I then finish detailing the fretboard/fingerboard with a StewMac aluminum extruded bar of the same radius. Sure this set-up was a little pricey, but with repeated use it's paying for itself in accuracy and reduced time.

all the best,

R
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  #6  
Old 05-26-2007, 10:13 AM
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I use my safe-t-planer and a flat long sanding block and do the radius by hand. it's fast (not as fast as Rodent's method), cheap and works great!
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Old 05-26-2007, 12:52 PM
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You can use a regular radius block even though it's not wide enough at the bridge end. Not ideal, but it works.

Make your own radius block is best, unless you can afford to build a swing jig.

I would go 16" or flatter for a 6er...
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  #8  
Old 05-26-2007, 01:04 PM
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Go with zero, easy and feels great.

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  #9  
Old 05-26-2007, 07:36 PM
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Quote:
Originally Posted by Rodent View Post
I use a swing jig on a large belt sander. I can do a 12" radius on a 5-string in under 15 minutes, and it's within .005" of true the entire length.
all the best,

R
Is it hard to build this jig, would you share a scetch?
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  #10  
Old 05-26-2007, 07:47 PM
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Quote:
Originally Posted by Yellow View Post
Is it hard to build this jig, would you share a scetch?
I purchased my set-up from Grizzly tools ... but there is also a set of plans available in the library on the Musical Instrument Makers Forum (http://www.mimf.com/) Membership is free, and once you sign-up you will have access to all of the extensive reference materials (tools/jigs, woods, finishing, tips, etc ...) in the library.

all the best,

R
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