Determine your stall speed in the specified configuration (empirically if necessary), then multiply that by the square root of the maximum load factor that you are sure will not bend the airplane.
Voila, Va.
At this speed, when you yank back on they yoke, your plane will begin it's accelerated stall at the same moment as you hit the maximum load factor that you decided was safe.
Voila, Va.
At this speed, when you yank back on they yoke, your plane will begin it's accelerated stall at the same moment as you hit the maximum load factor that you decided was safe.