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Securing feeders into rock

3,915 Views | 14 Replies | Last: 12 yr ago by TdoubleH
SanAntoneAg
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I'm mapping out scenarios on how to best secure my spincast (tripod) feeders to keep hogs taking them out.

For the past few years I have successfully kept my feeders up by sledgehammering 2 foot pieces of half inch rebar at approximately 45 degrees of the feeder legs. I've then used adjustable steel hose clamps to secure rebar to feeder legs.

After this past deer season, one by one my feeders began to topple. From the looks of things, one big pig is responsible taking them out. The failure point seems to be where the pig can rub or uplift a leg along with the rebar anchor. I've yet to have a steel hose clamp break as the rebar anchor is still attached to each leg once the feeder has been knocked to the ground.

Before I go on, it should be noted that the feeders are located in rocky country with shallow soil. In most cases, you're lucky to not hit rock (often bedrock) within the first 6 inches of soil.

My initial thought to remedy the situation was to drill pilot holes at 45 degree angle to legs (or straight into the ground) with a 1" hammer drill bit and then try to use a t-post pounder to pound in 6 foot t-posts so that I can secure the feeder legs. My guess is that this will be nearly impossible.

Second thought: Jackhammer holes for t-posts. Doable, but possibly overkill if option three works.

Option three: Use hammer drill to drill pilot holes as deep as possible for half inch rebar. Angle pilot holes in such a way that when rebar is inserted, the rebar will be the same angle as the legs. Once rebar is secured to legs, essentially the rebar serves as an extension of the leg into the ground.

The more I think about it, the more I think option three will be less work-intensive yet probably the securest.

So I post these ideas here seeking OB input. Is your lease/land in the hill country or out west? If so, what works for you?

[This message has been edited by SanAntoneAg (edited 7/22/2013 12:44p).]
EFE
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Option 4:
Kill this guy
quote:
From the looks of things, one big pig is responsible taking them out.
tlh3842
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If you've got anchors that are reasonably secure, maybe try having a piece of wire going from the top of each leg out away from the feeder to a nearby tree or something that would support the feeder should it decide to fall. Before we had hog panels, our tripod feeder had a wire running from the tops of the legs to tposts closeby, and the wires were strong enough to actually catch the feeder before it fell over.

Or, kill the big one.

[This message has been edited by tlh3842 (edited 7/22/2013 1:03p).]
RMC91
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Could you build a 3x3x3 (or whatever size needed for adequate weight) box, drop a 2x4 or 4x4 in there at the same angle as the legs then fill with concrete. When it dries, remove wood, slide leg in the hole and then anchor it. Maybe set eye bolts in the concrete. This would keep the pigs from hitting the bottom of the legs and you could tie down the legs or run cable from the feeder to the eye bolts.
FirefightAg
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A) Kill pig

B) Drill hole in legs and have a washer welded to rebar them bailing wire the hose lamp rebar and leg all together no slipping then
Usoos
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They make some anchor 2 part epoxy that may help with option 3. you stick the flask of epoxy down the hole when you pound the stake in, it breaks the flask letting the epoxy mix. There are several different brands. The one I'm most familiar with is Hilti
Usoos
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Here's a link to the Simpson version. I couldn't find the Hilti version.

http://www.strongtie.com/products/anchorsystems/adhesives/vgc/index.html#
schmellba99
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If you have really good rock foundations, use a Simpson, Epcon or Hilty epoxy with all thread, nut and washers and your stand won't tip over.
ursusguy
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Just a general reminder about anchoring stuff with rebar or t-posts at 45 degree angle. We see stories almost every year of folks falling in one manner or another, and impaling themselves.
ttha_aggie_09
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Option 4: Hog Paneling

However large, small or obscure shaped pen you have to make. That is really the only solution in my book.

We have some really, really rocky spots at our place but we still were able to make due.

The problem I have with securing feeders without the a pen around them, is that even if you stop him from knocking it over, you will not stop them from knocking corn out a little at a time. The aoudad do it at our place, where we dont have the eliminator spinner plates.

Just my opinion. I do know guys that had a place in rocksprings next to the YO that had to concrete there legs in the ground due to the free ranging elk. No idea how well that worked.
mustang6tee8
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+1 for anchors in the rock. But, the problem with chemical anchors is that the hole needs to be as clean as possible for maximum adhesion. If you're way out in the field- that might be a little difficult. I'd use a 3/8" or 1/2" Powers Spike or a wedge anchor with 1/4" galvanized wire rope.
schmellba99
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quote:
+1 for anchors in the rock. But, the problem with chemical anchors is that the hole needs to be as clean as possible for maximum adhesion. If you're way out in the field- that might be a little difficult. I'd use a 3/8" or 1/2" Powers Spike or a wedge anchor with 1/4" galvanized wire rope.


A bottle brush is more than sufficient to clean a hole out, or a hand bulb air hose. I have seen more than one test that shows there is almost no difference between the perfectly clean holes recommended by the manufacturer, and standard construction site holes (dust, too wet, halfway cleaned, blown out with compressed air, bottle brished, etc)

The problem with a wedge anchor is that you don't know what the integrity or compressive strength of the rock is. Odds are it would work just fine, but I have seen more than one wedge anchor bust concrete, much less weathered and fractured rock. Still, not a bad idea.
sportsfreak1975
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Option #4

jt2hunt
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generator
hilti drill
sledgehammer
909Ag2006
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I built pens around my feeders in area similar to yours (less than 6 inches of topsoil then solid rock) with a pneumatic rock hammer and a big air compressor. Only thing is, you have to be able to get your truck to your feeder location because you have to pull the compressor behind your vehicle. Getting a vehicle to the feeder isn't always possible in the hill country. You can rent them at most tool rental places. I had the entire pen finished within 4 hours. Here's a picture and a short video of my brother helping me. No picture of the air compressor.





[This message has been edited by 909Ag2006 (edited 7/23/2013 10:28a).]
TdoubleH
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1. Expoxy rebar/all thread into rock and attach legs
2. Epoxy d-ring anchors in rock some distance away for guy wire attachment
3. ????????
4. Profit
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