brianr2
C.O.G.
Posts: 3,056
My main instrument is: Brook Lyn guitar
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Post by brianr2 on Jun 9, 2016 17:04:02 GMT
...with algebra. See HERE.Good to know that physics and common sense concur. Brian
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missclarktree
C.O.G.
Posts: 2,423
My main instrument is: It varies
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Post by missclarktree on Jun 9, 2016 18:57:56 GMT
Help! I hope this doesn't apply to nylon string guitars. I've held mine up to the window and they look pretty flat to me.
Why don't they simply make them without a radius? That would solve the whole problem, and even non-graduates of maths and physics would be able to play.
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Post by herb on Jun 9, 2016 19:31:38 GMT
I don't know, but could it have something to do with the curvature of the earth; or perhaps calculating finger radii when pressing down the first and sixth strings together?
Will everyone making a contribution here please take note, I did say sixth, and not, definitely not sickth. That! word drives me up the wall.
That's what comes from being in the E.U. I suppose. Please, please don't answer that.
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Post by andyhowell on Jun 10, 2016 6:57:19 GMT
You should try this with a fan fret!
Overtime I think I have cracked it, the tuner proves me wrong!
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ocarolan
Global Moderator
CURMUDGEONLY OLD GIT (leader - to join, just ask!)
Posts: 33,975
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Post by ocarolan on Jun 10, 2016 7:35:25 GMT
Nice one brianr2 - odd that people feel the need to justify the evidence of practical experience and common sense with pseudo-science. Many manufacturers do make a flat bar model for classicals to suit the flatter fingerboard,, but is this article a forerunner to models with a range of radii as the next "buy our capo" tactic? Rather than worry about the precise radius of the the metal bar, manufacturers would do well to pay attention to the thickness and compressibility/resilience of the material that covers the bar and actually contacts the strings. This is what allows any given capo to work (or not!) with a range of radii/string gauges. Another factor is whether, on tightening the capo, the whole thing slews laterally slightly (or, on fan-fretted guitars, rotates so the underneath bar fits more snugly against the back of the neck), pulling all the strings sideways a little. This is related to the fit of the underneath bar of the capo on the back of the neck....ah, I foresee another avenue for manufacturers there! But, in the real world, most of us will continue to just accept that some capo/guitar combinations work slightly better than others, and experiment to find what works for us. Keith
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walkingdecay
C.O.G.
Posts: 1,676
My main instrument is: brownish and rather small.
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Post by walkingdecay on Jun 10, 2016 12:41:41 GMT
All I know is that there seems to be a law of physics which holds that my capo will go awry during the last verse of every recording. Gravity also has it in for me.
(Jerry "Cap'n Trips" Garcia was introduced to LSD at Rick Shubb's house, for better or worse. Not many people know that.)
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davewhite
Luthier / Guitar Maker
Luthier
Aemulor et ambitiosior
Posts: 3,544
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Post by davewhite on Jun 10, 2016 13:15:06 GMT
Get a grip
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leoroberts
C.O.G.
Posts: 24,551
My main instrument is: probably needing new strings
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Post by leoroberts on Jun 11, 2016 6:58:31 GMT
I've always found that the best placement for a capo is on the neck of my guitar - unless I'm trying to sing an octave higher in which case...
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