Scott H. Haycock
If it looks like a small cannon, couldn't you turn it from a piece of styrene rod in a drill or press, using some small files and sandpaper?
For the track level sprayers, cut down ladders is exactly what I am planning on using. It's the topside sprayers, which look like some kind of cannons, that are the problem. And, yes, I have looked for cannons that would work (from military model sites) but I have not found any suitable ones.
Lincoln City, Oregon