--Haven't ever measured distance but I know it's a looooong walk to
the targets! :-) In my cannon I use about 50cc of Pyrodex per shot.

--
"Steamboat Ed" Haas : Steel, Stainless, Titanium:
Hacking the Trailing Edge! : Guaranteed Uncertified Welding!
www.nmpproducts.com
---Decks a-wash in a sea of words---