Kyle Ryder wrote:HERP A DERP.
Sure - the guy that's a certified instructor for NASP, has shot multiple tournaments through out the midwest competitively, has competed and placed in both Traditional Field and 3D Hunters class, that is trying to give you advice that you continue to discount because you as a complete beginner obviously know more, is a troll.
Play your game, player.
Savage Archer -
You've got the right idea regarding arrow spine, the Easton 2117 is a true .340 while the CX is listed as a .340, they routinely spine test a little stiffer, usually a .330. It doesn't make a huge difference, but it is something to note. Using a full length arrow with a 125gr head, you'd still be stiff if shooting for an optimum spine. A 50# recurve typically shoots best with a .400 spine arrow, full length with at least a 150gr head on it.
The paradox for an arrow is the same regardless of the cut of the shelf, but the amount of relief that the shelf has greatly increases the range of tolerable spines that the will shoot. No Shelf, very tight tolerance for correct spine rate, cut past center shelf, wide tolerance for spine rate
Chances are your recurve is cut past center which greatly increases the spine tolerance. Even if the arrow is way over spined, the bow will still shoot it reasonably well, especially if you're running 5" feathers on the back (which is typical of a traditional arrow setup). Crazy drag will stabilize the arrow significantly faster.
If you haven't already, bareshaft your arrows and you'll see what I mean. I'd bet without the feathers on them those arrows will tail kick left like a mother. That's not to say you can't use them, it will limit your potential and accuracy at longer ranges because the arrow is fighting you.
If you haven't already, check out Stu Miller's Tradition arrow builder (it's an excel spreadsheet that you can input your DL, draw weight, arrow length, tip weight, arrow type and spine, etc) with the personal calibration set, it's actually pretty close in terms of what arrows and tip weights can work for you. It's a great way to try out different combinations to compare speed with KE and not really spend any money.
NXP
Edit: Because I'm better than that, and you.