Main Discussion Area > Arrows
Single v. Double bevel
Kegan:
--- Quote from: 1/2primitive on May 25, 2008, 08:35:03 pm ---I've heard, and it has been my limited experience, that if you make the single bevel on the correct side, the head will twist while penetrating, causing less drag than the double bevel and giving it better penetration. All kinds of animals have been taken with double bevel, though, so they definantly do work! ;)
Sean
--- End quote ---
I can't find the article, but I had come across an old article on experimenting with single bevels. I think it was someone testing his new Grizzly heads for a deer hunt.
"...[T]he single bevel also had a chisel effect, much like a drill bit... It put the edge directly into the meat."
But he was using that ballistic gel stuff in the tests. He never gave any numbers, or compared the two. Simply said that they work. He got his mule deer though.
Pat B:
In Dr. Ed Ashby's "Natal Report" he goes into the single bevel theory and penetration. Very interesting reading and very informative...however, the good DR. was doing his study on African animals with heavy bones. With most of the animals we hunt in the US none of it is necessary. IMO. The animal is just as dead whether hit with a single beveled head or a double bevel. I think a sharp blade and proper shot placement is more important than worrying about having the same angle on your head as your helical twist. Pat
mullet:
I agree with Pat, I think the most important thing is shot placement. Then arrowhead sharpness. I go above and beyond to get my broadheads scarey sharp.
1/2primitive:
--- Quote from: Kegan on May 26, 2008, 06:34:55 pm ---
--- Quote from: 1/2primitive on May 25, 2008, 08:35:03 pm ---I've heard, and it has been my limited experience, that if you make the single bevel on the correct side, the head will twist while penetrating, causing less drag than the double bevel and giving it better penetration. All kinds of animals have been taken with double bevel, though, so they definantly do work! ;)
Sean
--- End quote ---
I can't find the article, but I had come across an old article on experimenting with single bevels. I think it was someone testing his new Grizzly heads for a deer hunt.
"...[T]he single bevel also had a chisel effect, much like a drill bit... It put the edge directly into the meat."
But he was using that ballistic gel stuff in the tests. He never gave any numbers, or compared the two. Simply said that they work. He got his mule deer though.
--- End quote ---
Well then, that's what you said in the first place, I just didn't understand it... :D
Sean
Kegan:
Well, I conducted a little "test" last night. I had mounted a single bevel trade point, and had it lying nearby. I took a piece of paracord and pushed the point past. Nothing. I sharpened it. Now it cut slightly. I took one of my brother's Zwickey broadhead arrows and did the same. It cut beautifully. The difference in sharpenning was also noticeable. The single bevel points are in a short, narrow design that puts the shaft very close to the point- making it difficult to remove the bur from the flat side. So, I'm opting for double bevel- extra penetration is of no use if you can't get it sharp!
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