LOL.....that's a whole different type animal there blackhawk and it'll take a century to make with my skill level at the moment.I'd like to see one of those a shootin for sure.It just might inspire me to try it.......LOL.Ironwood would be a good choice of wood in the limbs with spruce edge grain siyahs.A third each of wood core,sinew,and horn[maybe slightly thicker horn than core wood].