The Gauges of the Strings
Instruments- discuss specific features, luthiers, instrument problems & questions
I tend not to worry about VSL so much when choosing strings as I do about what sounds good on a given instrument. For the most part, I buy bulk banjo strings in .012, .014 and a wrapped .024 gauge. However, I sometimes use .010s or .011s for melody strings if that's all I have on hand.
On a beautiful Modern Mountain dulcimer I had (gee, I wish I hadn't sold that to a student a few years ago!) made of poplar, spruce and Osage orange wood, I used .011, .014, and a nickle-wrapped .022 because it was just to bright sounding with a .024.
As always, my recommendation is that you experiment with different strings, different winding materials and see what works best for you. Strings are inexpensive and only take a few minutes to change.