RE: Light arrow (fast) Heavy arrow(slow)
I have arrows that vary from 355 grains to 525 grains. There isn't much difference out to 30 yards, which is where a majority of game is taken. But at 50 yards and beyond (wheresomewestern biggame is engaged)the point of impact changecan be thedifference between a hit and a miss. I have tried to stick with a medium weight arrow (410 grains) and always use a lazer range finder for shots beyond 30 yards.
The justification for the heavy arrow seems to be diminshing, in my opinion. The small diameter arrows combined with today's superior broad heads give more than adequate penetration in a 60 lb. plus compound bow. I enjoy shooting the heavy arrows (smooth and quiet), but these new Axis arrows give the best of both worlds. Penetration of a heavy arrow with the trajectory of a medium weight arrow.
I could still make a case for the light arrow when it comes to smaller game, like antelope, that might be taken at long range.Maybe setting upa dedicated bow for antelope. A PSE X Force that shoots real light 3-D arrows tipped with Rage two blade expandables. But for deer and elk, current set up is working fine.