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Range sound management

Patch700 said:
Hay bales are something I do have lol.. I feed rounds tho and I'm assuming you meant squares?

Something that was brought up that never even occured to me was the fact of having to look around the tube to see what the flags are doing.. Thanks for the input.
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High sound walls like they put up along highways . When sound is directed up works best. Check sound walls . Larry
 
True Larry , just not sure how setup and teardown would work with that setup.. I think what I may do is pickup a dozen or so square straw bales and make a tunnel out of them about 10' long with bales on the top as well just to see if there is a discernable sound difference.

I have a lot of 1200lb+ round bales but if I could set this up by hand with just a pickup load of supplies instead of packing round bales out with the tractor that would be much better for me.

Not to mention that after the drought we had this summer and good round bales fetching $150 and up I would rather not handle them more than I have to..
 
Thankyou terry that is exactly the pyramid setup I was refering to.

However I was unable to find specifics such as material used etc.
 
Patch700 said:
Hay bales are something I do have lol.. I feed rounds tho and I'm assuming you meant squares?

Something that was brought up that never even occured to me was the fact of having to look around the tube to see what the flags are doing.. Thanks for the input.
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Yup, hay or straw squares.

We set the flags up so we can see them in our scope. The tunnel does not obstruct that. However during a competition, we are unable to see the other shooter's flags. With bales you could experiment with the size of opening at each end for the best compromise between visibility and sound control.
 
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Patch700 said:
Thankyou terry that is exactly the pyramid setup I was refering to.

However I was unable to find specifics such as material used etc.
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In that thread, there's a link to a pdf which discusses construction. Unfortunately, it's in German.

Here's a link to a video that is interesting in its own right, and shows the sound tunnels in use.

 
Start storing your round bales in front of your bench. The circular shape being irregular in a line would help even more. You could have your own tunnel if you cut enough
 
If you could find a way to keep them from rotting, standing round bales up on end would create a series of expansion chambers. If your shooting bench was set up so that the muzzle was past the tight spot between two bales, I would think that it would help quiet things down a bit.

If it were me, I'd try it with some of the less desirable bales. 12 bales, 3 on each side, 2 high, with a heavy tarp stretched across the top would be my starting point.
 
Patch700 said:
I've a couple questions to those that have had any experiences ( good or bad ) with the use of sound managment devices on the shooting range.

I am located on a rural property and have been shooting there for many years out to 300yds.. The spot where I shoot is a lane that runs parallel with our pond and is fenced off to keep our horses out etc.
Generally speaking our horses are all ok with muzzle report and have never been spooked terribly by it.

However as of late the Mrs. has been taking on boarding horses from time to time and these horses are not used to the report of a rifle to put it lightly lol.. The last thing I want is to have someone's horse go through a fence if spooked.

I'm considering building a sound deadening tube made from two 55 gal plastic drums attached end to end with a hole large enough for a series of 5gal pails (glued together) to run through the center that have holes drilled in them and then open cell foam between the inner pails (the core) and the walls of the two barrels.

Question , how much can i expect with respect to noise reduction?

I am not interested in running a suppressor of any kind on my target rifles period.

Also if someone knows of a better way to skin this cat I am open to ideas.. Building a cinder block shooting house beside the pond is out of the question according to the Mrs. as well lol.

I would like the system to be portable as I would like it to be put away after a session of shooting.. The size and weight aren't a huge concern as I can move it with the tractor.


Thanks in advancd for any input.
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Sounds to me like you're building a 8 foot suppressor that isn't attached.
 
I have an 8 ft by 24 ft. fiberglass fuel cell pushed up against the window of my shooting building. Small hole at window and a larger hole on exit end.
Takes a lot of the boom out and has plenty of area inside to so nothing comes back at your face.
 
Make a holding rack for old auto tires! Butt them up tightly against each other and all will be heard is WHUUMMMMPP!! You can't stop the super-sonic crack however!!
 
Going to try the square bale setup today.. For the test I will be using 2 saw horses spaced 8' apart along with some 2x4's to lay the bales across.

Will have bales along each side as well as spanning the top and be shooting through the opening in the center.

Main goal is to hopefully deaden some of the initial crack.

If results are dismal I am going to try the row of tires (again about 8' long) and see if it works. If it performs better than the straw bales I'll make a proper frame so I can just move the setup in front of the bench when needed with the tractor.

Many thanks again for all the ideas.
 
good idea to lessen the sound, but they will get used to it and follow the lead of the horses that have been there and are accustomed to the noise...in my experience. Of course you are not close enuf to do damage to their ears...
 
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