vasilis wrote:I cannot switch strings from different gauges. I have to stick with the standard .12 set of strings.
Perhaps I didn't explain as well as I might have but my point was to use the USTC program to "try" different gauges to suit the RANGE of tunings you want to reach.
My DADGAD guitars (using a modified "medium" set: .060, .045, .035, .026, .018, .014) will tune down to various C tunings (even down to a B bass), and can be used for just about anything else -- including up to standard, a modified "A pipe" tuning (DADEAE, a personal favorite of mine) or Orkney (DGDGCD) -- for short periods. It IS important to always return the guitar to its "resting" tuning, for me DADGAD, before putting it back on the stand or in the case.
My point is to optimize the gauges for what YOU want to do...don't just take what string manufacturers give you. How often do you think Hedges changed strings (and what gauges do you think he used)? I'll bet long that he changed them often (individually too) and optimized individual strings for the complete range of tunings that he wanted that string to reach...
At the very least, I think you'll find that if you're going to do a lot of tuning and retuning between pieces then a medium gauge set will last longer...
Phil