Originally Posted by LFC
But the heavier projectile retains velocity longer and retains more energy.



Not necessarily. There's other factors at play other than weight. Mass and velocity is key. Since we're talking spheres, projectile shape is moot. When it comes to spheres, and given the same initial velocity, and the same resistances, the sphere with more mass will retain it's momentum longer.

Again, weight is only part of mass. Mass is a function of weight and volume.

All this is beside the point. Pullit is right. It's a long decided issue. If you don't want to believe it, don't. But people that use TSS confirm what physics tells us.