I'm trying to prove that the cone can handle x amount of pressure over x cycles.
The cone is not quite as rigid as a standard speaker cone is. It has soft sections throughout the surface. With the water fight example, the cone used in the "normal" direction will be able to throw much more...
Picture a loudspeaker cone in a water bath. The entire cone is submersed (fluid on both sides of the cone). The face of the cone sees pressure as it tries to compress the water (when driven by the speaker motor), which distorts the shape of the cone. The back side of the cone sees the weight...