Ray....Monty hunts Cape Buffalo with the same arrows he hunts deer...his choice, but that doesn't make someone elses choice wrong. Monty also shoot bows in excess of 85 pounds.
I would hate to have someone think I was using unsatisfactory equipment that has worked for me for five decades. C'mon guys, archery and bowhunting has been around awhile, and the equipment has been extremely effective.
I will challenge any of you to prove to me that your heavy arrows with lighter weight bows, are better than my 480 grain arrows on my 45 pound Shakespeare. I've used setups like this since 1965, and more often than not have pass through shots, with only two in that amount of time that didn't get full penetration. One was a bad shot in the hip, the other straight down from a tree stand.
Most here are arguing with only paper figures to back their claims, but few have really investigated the point of diminishing returns in regard to arrow weight versus bow weight. Now I can forgive that easily enough, but for someone to chastise that I'm maybe not be serious, or that I am shooting less than adequate equipment for the job, is a little left of proper in my opinion. And, to profess what really constitutes a light arrow, is really conjecture as well. Frankly I don't want anyone shooting a 480 grain arrow, at 175 or more feet per second, at the door of my Silverado with me inside.
Everyone needs to take a breath and look at what they are claiming....all of it is guesstimates based on mathematical equations. I won't tell anyone that their heavy bows and heavy arrows aren't effective...they are, as long as they are hitting where they are aimed. But it boggles my mind that someone will state here that equipment that has worked well before they were born, is now somehow unethical or inadequate. B.S.