That is extremely dangerous.


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Why?

Air should escape through all 30 holes, pushing BB's out. Also, safety could be improved with a pressure release hole on the bottom.

 

You could try but they are legal on airsoft fields.


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None of the ones I play at have that rule

 

Every place near where I live do but if you can use them then you have a good project to test.


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Or, you could get a Tornado airsoft grenade.

 

Ya those are the best and they are reusable.


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Ya those are the best and they are reusable.

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And Expensive. Expensive, small items seem to find sticky fingers of anyone in the blast radius. Ive already had one nabbed from me at a CQB field, I feel a lot less stung to loose a 30 dollar Thunder B than a 120 dollar Tornado.

 

The idea was to create a reusable and cheap grenade. By using a thunder b, I made it affordable and easy to do. If anyone can try this project, I would apreciate it. I want to know if it works.

 

The idea was to create a reusable and cheap grenade. By using a thunder b, I made it affordable and easy to do. If anyone can try this project, I would apreciate it. I want to know if it works.

I see three problems with this build.
1) The release of the co2. The gas is released in a slow, controlled amount to give the user enough time to throw the grenade before it accumulates enough pressure to blow open the shell. Your system would need a massive, split-second release of a large amount of gas to reliably expel all (or most) of the BBs.

2) BB retention. The BBs will need to be held in place with enough force so they do not fall out during transport or fire out of the shell before enough pressure has been built up in the shell. If one BB pops out of it's hole before there is enough pressure, then all the gas will leak out of that one spot.

3) Reliability. I do not see a system like this working due to a big flaw, the BB retention. As soon as BB pops out of its seal it opens a hole for all the gas to escape, thus depressurizing the whole system and preventing the rest of the BBs to fire.

 

Agree, I also don't think it will even work. I feel like if it did it could hurt someone or your self. I would buy a airsoft grenade that is meant to be a grenade not a homemade project.


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Hmm, I feared that that those problems would come up, and was wondering if anyone else would arrive at the same conclusions.

I think the desighn has flaws but I still someday want to attempt it, or something similar. Fact is there is no low end airsoft BB Grenade, and finding a desighn for one would be vastly useful.
I may try this one day and will post the result. I do acknowledge that there is some danger, and will take safety precautions.

For now could someone anwser this?
Could I modify a thunder B to release air faster, while still haveing time to throw it
(I know how they work and that releasing air faster would result in less throw time. I am asking for a way around that.)

 

You could try to make an impact system. I could help you design one.


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You defiantly want to use a thunder b grenade. I was thinking you could get pvc pipe and drill holes in it and possibly some how get the bbs to fit tight. Then inside get a cylinder that holds the co2. At the bottom I was thinking a sharpened nail and you would tighten the top to press the co2 down a little. When it hits the ground it should puncture the co2 causing the bbs to shoot out but the bbs need to fit tight.


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Hmm, I feared that that those problems would come up, and was wondering if anyone else would arrive at the same conclusions.

I think the desighn has flaws but I still someday want to attempt it, or something similar. Fact is there is no low end airsoft BB Grenade, and finding a desighn for one would be vastly useful.
I may try this one day and will post the result. I do acknowledge that there is some danger, and will take safety precautions.

For now could someone anwser this?
Could I modify a thunder B to release air faster, while still haveing time to throw it
(I know how they work and that releasing air faster would result in less throw time. I am asking for a way around that.)

I saw a video where a guy drilled two holes in the core (3/16in I think) and that reduced the 'fuse' from 5-7 seconds down to 3-5 seconds.

Try to find the video tomorrow.

 

I like the idea logan, but how does it us the Thunder B. Or does it.

I see the Rap 4 grenade. Cool, but I still feel this idea might be better.

 

I like the idea logan, but how does it us the Thunder B. Or does it.

I see the Rap 4 grenade. Cool, but I still feel this idea might be better.

No it doesn't but I had an idea that popped into my mind.

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As Raven 1rst said, my idea needs a massive gas burst, so any ideas on that.

 

As Raven 1rst said, my idea needs a massive gas burst, so any ideas on that.

I would put a pressure release system in but I think it will start to get expensive.

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http://airsoft-guns-blog.pyramydair.com/2011/10/airsoft-q-day-making-thunder-bs-go.html

These are tips to increase reliability and gas release time.
I wonder if I were to mod the grenade to release gas for a 1-2 second cook time, would I get the desired rapid gas pressure. I think I may need a old Thunder B. I will have to keep a eye out.

Another problem is the bb hold on the outside. I need to get some super flexible rubber to wrap around the grenade. Any ideas?

 

Rubber tube might work.


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Hmm. That might work. It's a later step though. Do they make big O rings?

 

Do you have a thunder b grenade.


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Hmm. That might work. It's a later step though. Do they make big O rings?

They make really big o rings.

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No. I am designing this in my head and if it seems plausible I may pick one up.
I also said that anyone can try this idea if they can make it work.