Thanks DYI...Nice shiny and expensive........Sounds like wifey

Check out this handy little filler.

http://www.chpower.com/webapp/wcs/stores/servlet/ProductDisplay?catalogId=10001&storeId=10051&productId=99589&langId=-1

(double post fixed by Pete Zaria - in the future, please use the Edit button ...

Thanks Pete Zaria, was not sure I have seen the valve on the side with one end open.

I would like to see the test results from Gepard's suggested configuration, seems maybe he is talking from experience? :lol:

I am researching the breach loading now...that is a very attractive option.

Is there a ...

Just put the sprinkler valve between chamber and barell?

This is a great forum - Loads of info.....
I am obviously a noob and the question is this..
After reading many of the posts and discussions about valves, what would be the best valve for launching a Tennis Ball from 60 - 100MPH = 88 - 150 fps?