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#6151343 - 01/23/16 10:46 PM Drivin t-post in rocky ground??
tx hunter Offline


Registered: 08/11/09
Posts: 250
Loc: Ft. Worth/Pidcoke
Started work on our first feeder pen today and it went a little slower than we'd hoped. Encountered a LOT of rock when trying to drive the t-posts. Used a rock bar and shovel most of the day and only got half of the pen put up. Hopefully I can get the other half tomorrow. I've read where some use a hammer drill with a 1-1/2" bit to get through the rock. Any thoughts? Thanks

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#6151375 - 01/23/16 11:27 PM Re: Drivin t-post in rocky ground?? [Re: tx hunter]
BigPig Online   content
THF Trophy Hunter

Registered: 08/27/09
Posts: 9540
Loc: Forney, Tx
Rent one of these


_________________________
Originally Posted By: bill oxner
Ever spit it out rather than swallow it?

Originally Posted By: pegasaurus
Enjoy it while you can. One day you might be complaining about NOT getting random pop-ups in the morning. grin

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#6151428 - 01/24/16 03:26 AM Re: Drivin t-post in rocky ground?? [Re: tx hunter]
Toxarch Online   content
Pro Tracker

Registered: 03/09/11
Posts: 1680
Loc: Parker County
We use one of these to drive t-posts. You just need a portable gas compressor. It will break through most of the rocks we run into. Only issue we ever have is the clamp holding the t-post works loose so we have to stop it and retighten. Makes it really easy to drive posts.
_________________________
It is far more important to be able to hit the target than it is to haggle over who makes a weapon or who pulls a trigger.

— Dwight D. Eisenhower

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#6151506 - 01/24/16 07:25 AM Re: Drivin t-post in rocky ground?? [Re: tx hunter]
stxranchman Offline
Obie Juan Kenobi

Registered: 08/04/10
Posts: 52092
Here is an old thread about feed pens. This was how Murph built his pens in very rocky ground.
http://texashuntingforum.com/forum/ubbthreads.php/topics/2306325/1
_________________________


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#6151553 - 01/24/16 07:56 AM Re: Drivin t-post in rocky ground?? [Re: tx hunter]
DaveTexas Offline
Outdoorsman

Registered: 11/18/13
Posts: 69
Loc: Rocksprings (hunting)
I've done a few
I did not want to have to rent any heavy equipment, generators or compressors to place mine.

I ended up using a hand held rotary hammer/hammer drill that just plugs in to a portable generator.
Bosch and Dewalt make specific Rock bits you can get online. home depot will not usually have what you need for bits

The 5/8" bits cut through solid rock like butter (good for re-bar)
The 1 1/2 " bits for the T-post work but its more work and I would not want to place a long fence using it.
I was placing my t-post in solid rock not just rocky ground. rocky ground would be much easier.

Going into solid rock took me about 5-10 minutes for each 1 1/2 inch hole and about 5 seconds for each 5/8" hole
for the 1 1/2 " holes I ended up making a 5/8" pilot hole then make the 1 1/2/" hole and that made it easier
If you have a dirt/rock mix then placing the 1 1/2 " holes would take just a few seconds.

I found that the 1 1/2" bits take a SDS max hammer drill not a regular SDS drill.
The 5/8" drill bits use a standard SDS hammer drill/rotary hammer


I ended up using the 5/8" for rebar to anchor down my feeders and also for most of the post for the feeder pens with just a few t-post. The rebar worked great for me in solid rock as post for the feeder pen. If you have a lot of dirt and rock mixed then I would stay with t-post.


If you have the equipment as shown above in the previous post, then that is the way to go for many t-post in a rocky/soil type ground.
But I have found the 5/8 rebar works really well if in solid rock

Let me know and I can send you a link to the drill bits I use.


Edited by DaveTexas (01/24/16 08:45 AM)

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#6151603 - 01/24/16 08:34 AM Re: Drivin t-post in rocky ground?? [Re: stxranchman]
bigdavehunting Online   content


Registered: 01/30/09
Posts: 1381
Loc: Abilene Tx
Originally Posted By: stxranchman
Here is an old thread about feed pens. This was how Murph built his pens in very rocky ground.
http://texashuntingforum.com/forum/ubbthreads.php/topics/2306325/1


This is the same thing I did with my pen but wired in three places on each end to connect them. It takes longer to put it together and a second person is needed. This works extremely well. The nice thing about it, you get to take your pen with you if you need to move it.


Edited by bigdavehunting (01/24/16 08:37 AM)

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#6151604 - 01/24/16 08:34 AM Re: Drivin t-post in rocky ground?? [Re: DaveTexas]
bass101 Online   content
Woodsman

Registered: 09/28/10
Posts: 108
Loc: Rayne, La
Nice

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#6151607 - 01/24/16 08:37 AM Re: Drivin t-post in rocky ground?? [Re: BigPig]
colt45 Offline
THF Trophy Hunter

Registered: 08/19/06
Posts: 5397
Loc: bastrop county
Originally Posted By: BigPig
Rent one of these


looked like you didn't make much progress
_________________________
hold on Newt, we got a runaway

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#6151611 - 01/24/16 08:39 AM Re: Drivin t-post in rocky ground?? [Re: Toxarch]
colt45 Offline
THF Trophy Hunter

Registered: 08/19/06
Posts: 5397
Loc: bastrop county
Originally Posted By: Toxarch
We use one of these to drive t-posts. You just need a portable gas compressor. It will break through most of the rocks we run into. Only issue we ever have is the clamp holding the t-post works loose so we have to stop it and retighten. Makes it really easy to drive posts.
won't work in rocks
_________________________
hold on Newt, we got a runaway

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#6151616 - 01/24/16 08:43 AM Re: Drivin t-post in rocky ground?? [Re: DaveTexas]
colt45 Offline
THF Trophy Hunter

Registered: 08/19/06
Posts: 5397
Loc: bastrop county
Originally Posted By: DaveTexas
I've done a few
I did not want to have to rent any heavy equipment, generators or compressors to place mine.

I ended up using a hand held rotary hammer/hammer drill that just plugs in to a portable generator.
Bosch and Dewalt make specific Rock bits you can get online. home depot will not usually have what you need for bits

The 5/8" bits cut through solid rock like butter (good for re-bar)
The 1 1/2 " bits for the T-post work but its more work and I would not want to place a long fence using it.
I was placing my t-post in solid rock not just rocky ground. rocky ground would be much easier.

Going into solid rock took me about 5-10 minutes for each 1 1/2 inch hole and about 5 seconds for each 5/8" hole
for the 1 1/2 " holes I ended up making a 5/8" pilot hole then make the 1 1/2/" hole and that made it easier
If you have a dirt/rock mix then placing the 1 1/2 " holes would take just a few seconds.

I found that the 1 1/2" bits take a SDS max hammer drill not a regular SDS drill.
The 5/8" drill bits use a standard SDS hammer drill/rotary hammer


I ended up using the 5/8" for rebar to anchor down my feeders and also for most of the post for the feeder pens with just a few t-post. The rebar worked great for me in solid rock as post for the feeder pen. If you have a lot of dirt and rock mixed then I would stay with t-post.


If you have the equipment as shown above in the previous post, then that is the way to go for many t-post.
But I have found the 5/8 rebar works really well if in solid rock

Let me know and I can send you a link to the drill bits I use.
this is the best way that I have found
_________________________
hold on Newt, we got a runaway

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#6151620 - 01/24/16 08:44 AM Re: Drivin t-post in rocky ground?? [Re: tx hunter]
Dalee7892 Online   content
Tracker

Registered: 05/04/15
Posts: 995
Loc: Denton County
From what I've seen on rocky areas the professional use a rock drill first then the automatic driver. Of course this helps them get a straight line.
The larger SDS drill will do the same benefit for the feeder pen, get a drill extension for getting deeper. Having a converter hooked up to the battery would eliminate a generator.

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#6151651 - 01/24/16 09:07 AM Re: Drivin t-post in rocky ground?? [Re: Dalee7892]
WNPHNTR Offline
Bird Dog

Registered: 03/24/13
Posts: 269
puffer bit drill
If you happen to have access to a tractor or skid loader, you can rent one of these and you'll have the job knocked out in no time.
This is what we use when putting in tough stretches of fence. Called a puffer bit. [url=https://youTu.be/a7t1LRYz2-U][/url]


Edited by WNPHNTR (01/24/16 09:09 AM)

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#6151687 - 01/24/16 09:24 AM Re: Drivin t-post in rocky ground?? [Re: tx hunter]
deerfeeder Online   happy
THF Trophy Hunter

Registered: 04/27/07
Posts: 7447
Loc: Southwest, Tx
This is what we used. Basically a hammer drill/puff auger, made by Atlas Copco. Wet ground will clog the holes in the bit though. Takes about 1 to 2 minutes per hole.

[video:youtube][/video]

[video:youtube][/video]

[video:youtube][/video]

[video:youtube][/video]

[video:youtube][/video]


Edited by deerfeeder (01/24/16 09:32 AM)
_________________________


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#6151691 - 01/24/16 09:27 AM Re: Drivin t-post in rocky ground?? [Re: tx hunter]
deerfeeder Online   happy
THF Trophy Hunter

Registered: 04/27/07
Posts: 7447
Loc: Southwest, Tx
Also use this in softer ground.

[video:youtube][/video]
_________________________


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#6151878 - 01/24/16 11:38 AM Re: Drivin t-post in rocky ground?? [Re: tx hunter]
Dalee7892 Online   content
Tracker

Registered: 05/04/15
Posts: 995
Loc: Denton County
Ohhhhh, all these fancy toys, just me and my fence post driver and a drill,
In the construction industry they have a bolt with course thread design to attach items in concrete, use a hammer drill and driver, they are about 1/2" dia. Different lengths. Weld plate (10" square) to bottom of T post or pipe with holes in corners. Another idea same as above but with epoxy and all thread cut to length.

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