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Old 11-24-2021, 10:18 PM
FrankHS FrankHS is offline
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Join Date: Jul 2010
Posts: 483

Originally Posted by bellgamin View Post
I just bought a Kremona 3/4 size classical because I'm 91 & can't handle a full-size or steel strings any more. It's now tuned E to E but I want to uptune it 3 semitones to G to G. It has no truss rod so the neck *might* get screwed-up, but that's a risk I'm quite willing to take.

1- To reduce the possibility of harming the neck, should I use low tension strings or...?
2- On the other hand (and never mind the risk of harming the neck), would medium tension strings be more likely to give me better resonance at G to G tuning?
Increasing tension that much is more likely to pull too much belly into the top-- south of the bridge, if not a challenge to bridge attachment. I used an online string tension calculator to find that you will be increasing total string tension by 40%. Play around with it, and check my work. Link below.

I used these inputs for the calculator, which may or may not reflect your setup of a 3/4 size guitar, which I know nothing about, so I used more (toward) conventional sizes inputs.

Scale length, 630mm. String gauges, .043"to .028 (a preset in calculator, I forget the in between gauges, but all standard.) Tension: 83.9 lbs at standard tuning.

Change to tuning G2, C3, F3, Bb3, D4, G4. New tension, 118.7 lbs.
Cordoba C10 Cd/In (2014)
Mossman '73 Flint Hills (dreadnaught)
Ryoji Matsuoka M30 classical

Last edited by FrankHS; 11-24-2021 at 10:27 PM.
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