BB machine gun: Difference between revisions
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These devices shoot large numbers of small diameter ammo, typicaly steel BBs or plastic airsoft bbs. Their air consumption is huge, rendering them practicaly non-portable; even a sizable tank would be emptied in a couple seconds. | |||
There are a couple common designs: | |||
* A [[cloud chamber]] agitates the projectiles by blowing the air stream up through them. The agitated bbs then get sucked into the barrel. | |||
* A [[vortex block]] blows the bbs around and around the inside of larg-ish diameter hole, which has a tangetal hole leading to the barrel drilled in it. | |||
Revision as of 19:14, 20 October 2005
These devices shoot large numbers of small diameter ammo, typicaly steel BBs or plastic airsoft bbs. Their air consumption is huge, rendering them practicaly non-portable; even a sizable tank would be emptied in a couple seconds.
There are a couple common designs:
- A cloud chamber agitates the projectiles by blowing the air stream up through them. The agitated bbs then get sucked into the barrel.
- A vortex block blows the bbs around and around the inside of larg-ish diameter hole, which has a tangetal hole leading to the barrel drilled in it.