For the record,my arrows for whitetail weigh a whopping 380 grains.I also use mechanicals and have no problems penetrating the ground on the other side.However,I am a very good tuner.That is key.[:-]
Oh yea,deer are more likely to jump the string at 15 yards than at 30 yards.
I like to debate,can you tell.[8D]
There are alot of misconceptions in the world of hunting/archery nowadays due to marketing.