Hey, Luke... once you glued the PH to the osage, you more or less made them one wood, so the crack that began in the osage went through to the PH since the stresses in the osage also now affect the PH.
Not a build-along, eh? It is in my book. In fact, maybe there's more to learn from this than from one that goes perfectly from start to finish. This thread at least presents many many "oops" opportunities to be brought out in the open and remedied as you go.
Proud of ya. You've got guts. Tell your parents from me that I salute them - they're doing a fine job of raising you. And if you're half as tenacious regarding your schoolwork and hobbies as you are with this, then I expect to see your name in print quite a bit in the future.
Well done, Master Luke. And it's wonderful to see all the terrific input from The Great Ones, too. What a bunch of great guys and gals on here...