And X2 on that dust collector valve. Their pretty slick little valves.

You know, since getting involved in this thread, I've really been considering a 2" piston valve build. I typically don't deal with custom stuff under 3". But you folks may have just inspired me.

-Grimm

Hey, nothing wrong with curiosity. I love building and testing valves/concepts.

I am not trying to discourage you, I promise. I was just making sure your not after a quick and easy valve built by just smacking a few pieces together off of a shelf. Because in my experience, piston valves (or ...

Also, not to hijack, but I have a mostly off the shelf from Lowe's or Home Depot 4" Coax piston cannon build I am going to upload in a few days (College is time consuming). If you have hand tools and a drill, it can be made fairly easily. And relatively inexpensively. Most expensive piece is the ...

I'm also thinking of using 1 1/4 inch coupling for the piston. How would I get o ring grooves in it correctly. I only have a drill a hack saw and a dremel. Any ideas

Find someone with a lathe or table saw with adj blade height to cut your o-ring grooves. I use a table saw.

You can use a drill ...