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TNT

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Mike you raised a good topic!!

Did you know that of all the variety of fretboard radius sizes out there (anywhere from @9 to 15") that Floyd Rose makes only ONE radius size for their original Floyd Rose, I believe it's 10"!!! Do you know why??

Because, generally speaking, both the nut plate and the trem plate are flat (no radius). The nut radius is implemented by the grooves in the bone nut/arch in the steel nut. The trem can be ANY radius you want (just mix and match the individual saddles that you want to lower or heighten the radius, including any saddle shims). It's the saddles that develop the radius.

Maybe someone, Beej, Koogie, etc. . . can add to this as well.
 

TNT

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The radius is 10" - the same as the fretboard!!

As I mentioned the orig Floyd Rose (principle in common) accomodates all radius fretboards, because you can "match" the fretboard radius of the particular guitar by using saddles & shims!!

Musicman Axis is a 10" radius fretboard - thus the trem set-up is the same.
 

TNT

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Yes, I understand, but it is still the size of the "saddles and/or shims" that determines the radius of the trem/bridge. Going across all 6 strings (when each string is at a different saddle height) produces the curve that's called the radius.

Using a Floyd as an example. You can achieve ANY radius you want and keep the SAME trem plate for all of the guitars with different fretboard radius from 7-15" Just lower or heighten the saddles per the guitar you have!

On vintage type trems you achieve this by adjusting the individual string screws.

If in fact a tremolo could be machined with "permanent non adjustable saddles" at an exact saddle height then the trem would have a radius too. However it would be impractible, because you could NEVER match perfectly the fretboards on every guitar as they come down the line.

Also as you wear the frets out how are you going to adjust the (Radius) action downward. Because that's what you do every time you lower or heighten your action (you're changing the trem radius)

So, in a theory the trem is "o" radius until you decide which "curve" you are going to set up.
 

J_Alexander

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i really dont understand. the definite answer is 10. i thought i said that the 3rd post down. you asked the radius and we gave the answer what more do you want or maybe explain better. lol
 
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mike-o

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Another question. On a flush-mount style body, does the OFR sit higher than the Gotoh? Which bridge will go lower without digging into the body?
 

TNT

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Another question. On a flush-mount style body, does the OFR sit higher than the Gotoh? Which bridge will go lower without digging into the body?

Good point!

The OFR sits a tad higher, however this still has nothing to do with the radius, now it only reflects "action" i.e., string height.

Not sure what you mean't by "digging in"?
 
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