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Airsoft Howitzer.

yea but anyforce high enough to make the likes of a nerf ball go fast enough will likely melt it/set it on fire etc. when it comes to making such a device youll quite quickly realise what too much power is when testing it. course if it all goes horribly wrong powerwis you can always get a job devising weapons in the army...(or make your own stark like company...)

also not quite wht im thinking but something along the lines of this fired from that...

 
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Pft, You might as well just use an actualy airsoft grenade instead. And rig the front to explode on inpact.

The most simple concept of the idea is.....Tennis ball grenades. (I had an awesome childhood)

 
i was more thinking hollow ball, holesin itpipes through holes, bbs in holes, pressure of impact. or for those whom have seen the goblins gas chamber for its size and how easily it releases you wouldnt need a huge tank thing like the one ive linked to be able to spray a decent ammount of bbs and being that youd be want to use the bigger ball like the guy who made the howitzer showed you could protect it within enough foam... and even the impact point shouldnt hit much harder than foam if done right(this is additional ides to what it actually needs, just firing a nerf would be cool enough....)

for other ideas i rember a briliant scrapheap challenge where they had to fire an ostridge egg as far as they could without breaking it, not so diffeent in a way from not breaking whom you hit... could even somehow add in the parachute to show it down too....

 
I think impact grenades would be more fun........Off to the garage with me I think. Time to piss of the neighbors

 
I think impact grenades would be more fun........Off to the garage with me I think. Time to piss of the neighbors
I was thinking of something like that, a tornado impact grenade which releases a hail off BBs on impact. Maybe with a softer shell

 
I was thinking small black powder charge with a BB shelll.....

 
Last year I had plans to make a spring powered mortar to fire pyros, but I was told it's illegal. I'm not 100% sure of that, but using an explosive to power projectiles out of a barrel is definitely manufacturing a firearm, which is illegal without a license. Fcuk H&S, it's the coppers that would be after you...

I really want to go to Russia to airsoft one of these days: +1 mate!

 
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That is something that's not been considered.

If your canon is capable of firing any projectile with a muzzle energy of greater than 12 ft.lb then it becomes a controlled firearm, and would need to be held on an FAC.

If the projectile weighs 200 grams, it's easy to work out the ME.

Simply convert grams to grains. 1 Gram is 15.43 (ish) grains.

So 200 grams is 3000 grains roughly.

Now to calculate velocity for a given mass and muzzle energy.

Doing the maths, if your projectile travels at a velocity greater than about 41.8 fps then you're going to be over the allowed ME.

Now if your energy source were a spring or bow of some sort, there is no real energy limit, but using compressed air makes it an air gun.

 
To be honest while I do like the idea of airsoft artillery it is a little ott for most games.

 
And if you have one of them at the same site as me I'm not playing I'll wait for the need for a First Aider and call the Ambulance and laugh and ask (while going through the Paramedic's bag's) can we use this really big bandage now?

 
It seems nobody has the launcher tubes for those Hades thingies in stock. Probably just as well, although I expect they would be a lot safer with some foam glued to the tip. Does anyone know if there has been a decision as to whether those ICS pyro-nades are legal in the UK?

 
ohhhhh, i fell in love the first time i watched that :) I don't think they are being sold worldwide at all yet, let alone in the UK

 
Ian, from my reading, those would fall under Section 5 of the firearms act (simple possession without lawful authority wins you a five year holiday at the taxpayers expense with all the nice drug dealers!) Anything that fires a projectile that is designed to explode on impact, and the projectiles themselves, comes under S5 (prohibited weapons)!

 
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