What would happen if say you used it in a steel chamber that could handle it

yeah ah well any takers on helping with another design?

Just coz yor 14 don't mean your stupid look at me Im nicknamed terrorist and I was 13 when I got the name

my whole school except for some teachers call me a terrorist because I can make weapons out of anythin and I did kinda hide the pic under the contact on my book. thankfully they cant understand my writing

Good point I guess now its no go for the book for another 5 weeks

OK I'm not so new at combustion cannons being able to make them out of nearly anything but my goal has been to build a revved up pneumatic. I am an old hand at designing spud guns but due to lack of funds my dreams cannot come true till I am 15 for a job. Anyway here is my goal I designed a hybrid c...