My last idea.Hickory heartwood , sinew , static recurve.Sinew in leather, fish glue. 58 inch long , about 50 lb .Reflex in rest about 6 inch after unstrung about 5 ( including recurve tips , about 3 ich on limbs).I start tillering with over 7 inch of reflex. Mass of bow 430 gram , not bad by hickory and sinew.I dont shoot yet on chrono, to cold outside but I expect good performance.