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Discussion Starter · #1 ·
Hello all. Im new to this forum. Hopefully Im posting in the right spot.

I have very limited experience with sand/ media blasting and have a question that hopefully someone here can answer.

I am interested in hollowing out a log approx 20" in diameter by 24" long. I want to start by plunging a 1 1/2" x 12" spade bit in the end to keep the entry hole small but then "hog" out the guts of the log through the 1 1/2" entry hole. It doesnt need to be pretty inside. Just looking to open up a rough void around the width of a softball and about 15" long. Is this something that is possible by sandblasting through the entry hole? If so, what kind of media and equipment would I be looking at to make this happen?

Thanks much
 

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JUSTA MEMBER
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I have concerns as to where and how you are going to have room for the blast media and wood are going to get out of the way to continue "hoggin" out the void.

It will fill up rapidly and you will not be cutting anything, until you stop and dump, vacuum, clean out the hole.

They make a chemical called stump rot, to pour into your pilot hole and it rots out the void .

Used by land owners with stumps that they want removed.

It can probably be used to create a void in your log.

ED
 

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I have concerns as to where and how you are going to have room for the blast media and wood are going to get out of the way to continue "hoggin" out the void.

It will fill up rapidly and you will not be cutting anything, until you stop and dump, vacuum, clean out the hole.
They said "log", not stump. That leaves me to believe that there is access to both ends of the "log". With the log being 24" long, and them having a 12" bit, couldn't they drill from each end to make a 24" hole through the length of the log, then use the sandblaster to blow the insides out through the other end? I'm sure there's better ways to hollow it out, but I am just following on what they're wanting to do.

I think a better approach would be to rip the long length-wise, then cut a channel through each half and glue it back together, but without knowing their intentions, it's hard to give any ideas.
 

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Discussion Starter · #6 ·
Thanks for the replies.

This is an art project of sorts. It is a log sections, not a stump. The end goal is to hollow a portion of the log from one small hole and to reseal the hole to make it look as if the log is undisturbed. So boring through is not my ideal scenario. As for the "sand having no place to go and filling up", I suspected that may be a problem.

This can a patient process if necessary. Blasting, emptying sand and wood chips through the original hole and repeating the process several times is not a problem. But would I realistically work without taking multiple hours?

Any thoughts or alternative suggestions are appreciated.

Thanks
 

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JUSTA MEMBER
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It does not matter if it is a stump or a log. Both are a wooden tree part correct.

The chemical stump rot will decay both equally well.

This sounds more like a disguised bomb of some kind to me. So forget that I ever was here.


ED
 

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an art project in which you create a space inside a log and then close it back in so nobody knows it exists? rrrrright.. you are either hiding drugs or have some other illegal plans... now that you have created a digital record of your idea I wish you and whichever law enforcement agency you are trying to evade the best of luck... Maybe you will even get a visit from one of them... we can only hope
 

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Discussion Starter · #9 ·
an art project in which you create a space inside a log and then close it back in so nobody knows it exists? rrrrright.. you are either hiding drugs or have some other illegal plans... now that you have created a digital record of your idea I wish you and whichever law enforcement agency you are trying to evade the best of luck... Maybe you will even get a visit from one of them... we can only hope
You kidding me right?
Logs *****, check, or crack when they dry. Removing the core and pith prevents this to some degree. Preventing this checking is crucial to my finished product but multiple drill holes are unsightly. It would be very helpful if I could reduce it to one hole and remove some of the core from there. Please feel free to report me to any Law Enforcement agency of your choosing.
 

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This sounds more like a disguised bomb of some kind to me. So forget that I ever was here.


ED

an art project in which you create a space inside a log and then close it back in so nobody knows it exists? rrrrright.. you are either hiding drugs or have some other illegal plans... now that you have created a digital record of your idea I wish you and whichever law enforcement agency you are trying to evade the best of luck... Maybe you will even get a visit from one of them... we can only hope
What??? How did you even come up with that? You don't understand what the person is doing and automatically assume it's something illegal? :blink:
 

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I think it will fill too quickly if you sandblast with only an entry hole. That your progress will be very very slow.
 

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If I had to do this I would split the log as close to down the middle that I could with a sledge and wedges. This would be less obvious than a saw cut. Then set each half on a homebuilt jig with runners above on which you could run a heavy-duty router back and forth. Hog out both halves, and glue the two halves back together. No holes needed.

Would be a good prop for a fake-strongman act. Are you with the circus?
 
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