Eagle
Rock Star
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It works better period in everything regarding the actual physical strings interacting with the frets and having the room to ring properly.In my 35+ years of playing, I’ve owned countless Ibanez guitars with Wizard necks, EBMM’s, Charvels, etc. I don’t like the feel of a flat radius. I play better on a 7-1/4 to 12” regardless of how long I try to adjust.
So you’re saying a flat radius is better, period? For all players?
A way of pointing this out would be;
Two guitars one 7.25 and one flat with everything else identical. Set up perfectly and with the perfect relief and identical action and nut hight.
The flat radius would have between 30% and 50% more next fret clearance depending on what fret you measure it at . This is a huge difference and represents better tone as well as better mechanical performance. The difference gets even bigger if you bend strings. The 7.25 can actually fail completely if the start measurement is low.
Any radius at all even a compound one starts to fail as soon as you bend a string.
Any straight radius applied to non parallel strings has issues with the interaction between a cone (string plane) and a cylinder ( neck geometry) .
Now bend a string on this and it’s a mess off different clearances which equates to different dynamic performances and a poor guitar performance unless you set the action high and play within a narrow dynamic range. But even then different strings bent on different places either sustain or don’t and some even choke out all together.
This is all before you ever get to the person. A good rule of thumb is play the flattest radius you can but it’s really not opinion. It’s how much compromise am I willing to make to play a radius I like the feel of, or got used to. Classical players have always played flat and never complain that it’s not ergonomic because from a biomechanics standpoint it isn’t.
I know a some of people think that a lot about how a guitar is designed is opinion based but the actual mechanics of how it works and the biomechanics of ergonomic considerations are measurable and better is quantifiable. This still leaves huge areas for style based design but let’s at least start with a good chassis.
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