verry intresting this equasion you speak of sounds technical :stupid: :11:
Yes mate, its all very highly testical, is that!
Regards,
Grim.
Its quite simple really hey, I did however forget to mention the angle of the dangle didn't I
Actually on a more serious note, I recently made a 15m indoor range in my barn, out with the old sand bag type rest thing (I only Have a springer), then when I have it homed in at 15m, I simply go to my permission on a wind free day pace out 30 steps (approx 30m) and adjust to that range.