According to wood tables it breaks about 15% earlier and is 9% less strong than white ash.
It is also 18% less dense, so you should make bows sligthly less thich and more wide that bows from white ash.
I do not have personal experience of it.
I can count you a theoretical design for a pyramidical flat/long bow, if given a draw length.
Bow type (non bending handle/bending handle) and poundage.