We already knew this

[RGKulas]

But its good to see it again.

 http://www.outdoorlife.com/blogs/game-changers/physics-bowhunters-why-kinetic-energy-doesn%E2%80%99t-really-matter-arrow-penetration?dom=fb&loc=contentwell&lnk=PointsNorth

[Orion]

Yep.  Bit disappointed though that he didn't give Ed Ashby credit for his research, which validates all this stuff, including the effects of broad head design and arrow diameter on penetration.

[nd chickenman]

And what's missing from this equation? The snot slick lubrication that the blood provides. Seldom do you see that factored in. You know like when you are trying to pull a blood soaked arrow shaft out of a critter or holding on to a blood covered knife by the blade with the handle down. Lube is what keeps the engine turning and the broadhead penetrating.

[monterey]

It's refreshing to see these concepts presented in one of the major outdoor publications that are highly dependent on the advertising dollars of the speed and mechanical head peddlers!

Orion, you are so right! Ashby has always been at the fore of the research and education that is the basis for the article and he should have been acknowledged.  It's likely that the advertisers are unhappy with the article as is and would be even more unhappy to see their customer base steered in the direction of further facts that fly in the face of their fiction.

[fireball31]

They don't want people to read Ashby's stuff because then they would realize how terrible all the broadheads that are being advertised in the magazine actually are.

[SKITCH]

Well maybe he will chime in and discuss it.  Tyler is a Trad Ganger and a damn good trad bow hunter.  You might remember a few articles on him a couple years ago when he killed a HUGE brown bear up in Alaska with his bow.  He took it with a Bears Paw Recurve  He had an image of the Bears actual paw tattooed on his shoulder.  

Here's that story.  
 http://www.outdoorlife.com/blogs/live-hunt/2013/06/potential-record-grizzly-taken-recurve-bow

And here's a pretty cool video of him hunting black bear over bait,  again with a recurve, when a Huge Grizzly comes in and walks right up on him.  He has a rifle for backup but does not shoot.....  Think I might have shot or just passed out when it got that close.   ???
 

[monterey]

My comments were not meant to be so critical of the writer as of the advertising driven culture of the magazine business.  Those who choose to write must live with the parameters set out either explicitly or implicitly by their editor's.

Just a fact of life in that business.  You see the same thing in mags such as Traditional Bowhunter.