The only problem I've had with old bows sitting around is delaminating, you can fix a warped limb. Just string it up using a stringer and let it sit a day or two before drawing it back. Besides, I'm sure that string isn't very trust worthy, strings have come a long way in the last 30 years.
God is good always; always, God is good!
"If thou wilst a keen edge win
forge it thick and grind it thin"