I agree with Beav on his last reply. BUT- I like cast or offset/laminated jaws just because they look more friendly to some landowners.

That I can relate too.

Beav,

What do you recommend not to use if you plan to release an animal?

Trapper Dahlgren I agree with you. All my big leg holds are duke #3 now.........jk

I have and use some Duke #3's and after some work,the are a functional coyote trap.I say it a lot but I always knock the sharp edges off all factory jaws and did this with the Dukes.In spite off this,I get more foot damage from them,on coyotes and foxes than any trap I own .They need laminated.I like them for their ease of setting and light,physical weight but the damage is a bit too much.They need laminated.Keep in mind,we aren't on 24 hr checks but there is a noticeable difference in damage between these and the other two types of coyote traps I use,which are either cast or laminated with much thicker jaw contact surfaces.

They need laminated.

I would never set a trap that isn't laminated, there are times the shale is still between the fur and jaw, when trap is opened you can still see the fur lines in the powdery shale packed onto the inside of the jaw.
That means there was no movement inside the jaws, that's a good thing.
I prefer 1/4" round rod lamination, it helps strengthen the jaws a lot, less damage if run over, I was just told of a #2 Duke that popped it's jaw off on a coyote catch, never seen that with a laminated bridger

I wonder how many millions of just coyotes were caught before trappers even heard of the word LAMINATION.
And of coarse outside lamination really doesn't do much . It's Inside lamination that lessens foot damage.

And now the DNR's have got wind of it too. I have laminated traps for jurisdictions that mandate a certain jaw thickness.

An improvement is an improvement even if it take 100 years before the improvement is made

Laminations and cast jaws spread out the force of the initial blow from the jaws making contact but that's where It ends.
A regular jaw that has had the sharp edges rounded off Is just as foot friendly.

But I'm betting there are more un laminated traps In the ground or water then there are laminated traps.

Okay. Cite me one, just one, documented scientifically conduced study that shows laminated jaws out perform regular jaws -- just one.

Please no anecdotal.

Perception is not proof.

Get em Hal.

If i was at the house I could break out the big binder I have but one of the ones that st of out was the red wig study done by TT Turn by and associates was ment for red wolves but has stuff on coyote as well. These are screen shots from the abstract. The whole thing is close to 200 pages if I Renner correctly ( I may be over shooting it but is a lot of reading).








Folks will cherry pick but it's there in black and white lams out preformed standard. Not by much but still did better. Honestly teeth out preformed all. I gotta locker full of books that cite studies on these subjects,recon I'll do some digging later , just trying to be unbiased as possible

I went through this same B.S. with Ohio State Trappers. The could cite no scientific evidence for improved performance with laminated jaws. Yet, they included it as part of our trapping regulations.

It's nothing but a "feel good" measure.

Thanks, but I can't read that.

Do you have a link to that document?

I did know that.

Half try reading this, can't do links from my phone
An evaluation of laminated offset jaw traps for reducing injuries to coyote.
Published Dec 93

cite one scientific study that shows that base plating, 4 coilinging, swivels, straight link chain, wider jaw spread, or steel v aluminum improve a trap. No anecdotal or common sense, verified scientific studies only.

Found it

https://pubs.usgs.gov/of/2011/1190/

Try this


https://www.google.com.kw/url?sa=t&source=web&rct=j&url=https://pubs.usgs.gov/of/2011/1190/appendix.pdf&ved=2ahUKEwjx5IiLzO3eAhVOXBoKHXS3COQQFjAMegQIABAB&usg=AOvVaw3WVrAAGzu84QxHngz7nqVR