Not sure if this would be right for on here .
I have just finished restoring a 25pdr field gun that was used out in the western desert during WW2 , this was discovered when we started to strip of the old paintwork and found desert camoflage.
We have converted it to be able to fire Black Powder rather than proper shells, I think people would get the hump if we tried them !!!! to many windows about that could be broken.
If you are interested then I will post up some pictures and I do have some video of it being fired during the olympics but I would not have a clue how to post that up on here.
We also have some other WW2 stuff like a 75mm anti aircraft gun and a boffers which are both fireable but due to the closeness of buildings we are not allowed to fire them.