This apple wood stave has propeller twist on one end, approx 90 degrees. After reducing the size of the crooked limb down to 1 3/4" wide by 1 inch thick I steamed this end of stave for 1 1/4 hours. Moved to vice, hooked pipe wrench over the stave and slowly applied pressure, stave cracked right down the middle for about 6 inches. Cut that section off, still showing crack, cut off another 4 inches, still seeing split. At this point I am at 50" and considering cutting stave down the middle and trying for a short light bow. I still have the 5 inch limb with ends sealed and bark on. Plus a curved limb that I have worked down along inside of curve. Apple wood is definitely a challenge.