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Good stuff with the Alan Turing photo; it's a nice addition. — Matt 00:29, 17 Jun 2004 (UTC)


Current method:

with:

  1. as the required range as the crow flies.
  2. as the muzzle velocity.
  3. as gravity.
  4. as the difference in height between gun and target.

First:

Then:

If here is negative, then the required range can never be met.

Now:

(The negative solution here is the parabolic trajectory, the positive is the direct trajectory.)

Finally:

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