I know you guys are probably thinking that I could just shoot at a piece of
paper and then look at it.  I do appreciate the KISS solution, but this is
already where I am at.  When you are "patterning" the shot from a shotgun,
you try to get the best distribution to optimize your chances of hitting the
clay bird.
This weekend, after patterning 6 kinds of shells, through two different
guns, with 3 different choke tubes each, and at several distances from the
target paper, I ended up with nearly 100 pieces of paper hanging in the
shop.  4 by 4 foot paper takes up a little room anyway.  Then you have to
manually count over 300 holes on each piece, for now we ignore the holes
outside of a certain diameter.  Then you look for gaps in the pattern and
subjectively judge the different combinations.
I would like to be able to electronically capture the shot pattern to speed
things up a lot, and then put together some software to analyze it and graph
it out.  Some statistical methods could be employed too.

Thanks to everyone, I really appreciate the help so far!

Tony

olin:
>Does the device have to work more than once?

simon:
you're thinking "big sheet of cardboard" ? think i have seen a similar
technique used before ... :)

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