Primitive Technology: Bow and Arrow

I made this bow and arrow using only primitive tools and bow is m (55 inches) long and shoots 60 cm (2 feet) long arrows. I don’t know the draw weight - safe to say greater than 15 kg (35 pounds) perhaps? The stave was made from a tree ,Northern Olive (Chionanthus ramiflora), that was cut with a stone axe and split in half with a stone chisel. One half was used for the bow and was cut to a length of m (50 inches). The limbs of the bow were carved with various stone blades so that the limbs tapered in width, and to a lesser extent depth, towards the tips. The middle of the bow was narrowed in width to form a handle about 12.5 cm (5 inches) long. The string was made from the inner bark of a fibrous tree. It was separated into thin strips and left to dry. Then it was twisted into cordage. Arrows were made of the same wood as the bow and were 60 cm (2 feet) long. A notch was carved into the back to accept the bow string. They were fletched with bush turkey feathers picked up f