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4/18/2012 7:15:49 AM EDT
Looking at the AT-4, is there any way to built functioning rockets (that don't go boom) legally? I'm not talking about the practice rounds that use a single 9mm round. Im only asking if this is possible/legal with th latter being more important.
4/18/2012 9:14:31 AM EDT
[#1]
AT4 registered DD

You can launch anything out of it that is <1/4lb of propellant and <1/4oz of explosive.

Model rocket engines fall under the above, but as mentioned elsewhere, do sometimes explode on launch. Do you want that next to your head? Might be something fun to do remotely from your AT4

ETA: Some sort of compressed air/hairspray launcher subcal into the AT4 would be cool.
4/18/2012 1:27:28 PM EDT
[#2]
Real AT4s rocket motor is done burning before it leaves the tube.  Any rocket that is making thrust as it leaves the tube is going to blast your grill.  I personally wouldn't go there.
5/8/2012 7:35:05 AM EDT
[#3]
Quoted:
Real AT4s rocket motor is done burning before it leaves the tube.  Any rocket that is making thrust as it leaves the tube is going to blast your grill.  I personally wouldn't go there.


An AT4 is a recoiless rifle, there is no rocket motor.
5/8/2012 5:07:36 PM EDT
[#4]
AT4 potato gun



How much aqua net can you use before its a DD?


 
5/8/2012 5:09:45 PM EDT
[#5]
Quoted:
AT4 potato gun

How much aqua net can you use before its a DD?
 


aqua net hell.... oxy/acet > hair spray!
5/8/2012 5:32:21 PM EDT
[#6]
don't know if there is an insert that does what the subcal training tube does....









but they're pretty cool
5/9/2012 6:21:34 PM EDT
[#7]
Quoted:
Quoted:
Real AT4s rocket motor is done burning before it leaves the tube.  Any rocket that is making thrust as it leaves the tube is going to blast your grill.  I personally wouldn't go there.


An AT4 is a recoiless rifle, there is no rocket motor.


I stand corrected, but I would go with 'projected grenade', rather than 'recoilless rifle'.

7/17/2012 10:07:02 AM EDT
[#8]
Quoted:
Quoted:
Quoted:
Real AT4s rocket motor is done burning before it leaves the tube.  Any rocket that is making thrust as it leaves the tube is going to blast your grill.  I personally wouldn't go there.


An AT4 is a recoiless rifle, there is no rocket motor.


I stand corrected, but I would go with 'projected grenade', rather than 'recoilless rifle'.



Both 1/2 right.  

The AT-4 - say it out loud: "A-T-4"  or "Ay-Tee-Four"  Get it?  AT4 = "84" as in "84mm" as in:  

-developed originally from the 84mm Carl Gustav recoilless rifle, which was 1st introduced in 1946.  

Our AT4 (made by SAAB/Borfors of Sweden) does indeed have a recoilless propelling charge exactly like the 84mm recoilless rifle.  BUT, the tube is smooth-bore, unlike the 84mm recoiless rifle.  This is why the projectile for the AT4 requires spring loaded stabilizing fins while most (but not all) 84mm Carl Gustav projectiles do not.

http://en.wikipedia.org/wiki/AT4



7/17/2012 2:47:55 PM EDT
[#9]
As a thought, what about some type of rocket that uses those CO2 carts as propellant?
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