I did see the section on "yawing" and how spin rate relates to bullet stabilization or regaining stabilization, but I am not disputing the info shown. I still have a question that I don't think is answered by the articles. I may be splitting hairs here, but what I am saying is that the test in ballistics gelatin show bullet fragmentation without encountering any objects other than the gelatin. Obviously, yaw has been induced, causing the bullet to fracture wherever jacket integrity is compromised in some way (cannelure, rifling striations, etc.). While the forward velocity of the projectile contributes to the depth of fragment penetration, it seems that the rotational speed of the projectile would contribute to the lateral velocity of the fragments moving away from the original path of the projectile.
An example of how I see this is a shotgun. Smooth bore (no choke), pellets disperse based on the disruption of their originally designated path by the combined effects of the surrounding air, surface defects in the pellets, and the "billiard" affect of contacting other pellets as they exit the bore. Fire the same load in a rifled "slug" barrel and pellet dispersal is much more pronounced closer to the bore due to the imparted spin.
Just to beat the horse some more, a gyroscope with no forward velocity is spinning at "w" rpm and is absolutely stable up to "x" rpm. But once it reaches "y" rpm, centrifugal force overcomes its structural integrity and it fragments. Anyone in the vicinity of the lateral distribution of those fragments is in danger while those at the poles are not (no forward velocity). If something were to affect the structural integrity of the gyroscope at either "x" or "y" rpm, fragments will still be released laterally, just without as much velocity. Still no danger at the poles.
I like to understand what I read and just like the 18 years of school (no I did NOT repeat any grades
) and 40+ years of business management, I always tried to understand the answers and answer questions to the satisfaction of those asking.
And, yes, I am a hard head.