DIY tank trap barricade

Zbizzle911

Zbizzle911

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So Jr has been wanting to do all kinds of stuff during our quarantine. So I decided to make a cheap collapsible tank trap barricade to practice for PRS type shooting. I used 2 3/8” x 7” bolts washers and nylock nuts. Was pretty easy to do. I drilled two of the 6’ 4x4’s with a 1/2” hole at 36” the. One of them I rotated 90 degrees and drilled a hole at 32”. The other I drilled at 32”. Used a step but to counter bore them so the bolts would fit and not stick out much. The. Tightened everything down. When folded it’s two on top of each other and one to the side like a L.

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So the nuts/bolts are tight enough to keep it sturdy but loose enough the pieces pivot? Or are you having to tighten and loosen them each time?
 
BigWaylon said:
So the nuts/bolts are tight enough to keep it sturdy but loose enough the pieces pivot? Or are you having to tighten and loosen them each time?
Click to expand...
Used nylock (aircraft) nuts. They will not back off. So just tighten them up to keep it assembled but loose enough to allow them to pivot I believe is how he did it.
 
In my nuke security days, we had the welders do this design up in rebar but 6" tall. We placed these jumping jacks 10 + on the other side of fencing. Where one would land.

Fyi
 
I know the original poster doesn't mean for that to stop a tank. But, stuck behind a hedgerow it'd seriously mess up any non heavily armored vehicle that tried to come through, esp if the back of the leg was sunk down in the ground a foot or so. A set of post hole diggers and a chain saw to sharpen a point on that and you've got a right nice trap if say your driveway was blocked and some innocent looking bushes were on either side of the drive.
 
BigWaylon said:
So the nuts/bolts are tight enough to keep it sturdy but loose enough the pieces pivot? Or are you having to tighten and loosen them each time?
Click to expand...

Yeah it’s tight enough to be sturdy on soft ground. But I can collapse it. The third leg kinda locks it all once it’s set. I’m going to try and figure out a way to drop a pin in it to lock it. Next time we shoot I’ll bring it or I can take more pics for you.


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Nice hedgehog. Keep ‘em short.
 
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