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|    rec.arts.sf.written    |    Discussion of written science fiction an    |    448,027 messages    |
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|    Message 446,214 of 448,027    |
|    Cryptoengineer to Jay Morris    |
|    =?UTF-8?B?UmU6IHhrY2Q6IOKAnFBoeXNpY3MgSW    |
|    17 Oct 25 11:15:43    |
      XPost: rec.arts.comics.strips       From: petertrei@gmail.com              On 10/16/2025 9:57 PM, Jay Morris wrote:       > On 10/15/2025 9:00 PM, Cryptoengineer wrote:       >> "Time on target" involves firing several projectiles, setting the       >> propellent charges, firing times, and elevation of the cannon(s)       >> to cause the shells to arrive at the target simultaneously.       >>       >> I've seen this done using cannon that have liquid propellants       >> and computer control. I can't imagine it being done with fixed       >> charges, or without computers, save as the result of a careful       >> iterative set of firings to zero on on the charges, timing and       >> elevations needed.       >>       >> Please remember that Aubrey makes sh*t up.       >       > Infantry light mortar platoon (81mm) leader, 1979. The light platoons       > and the heavy mortar platoon (4.2 in) would practice ToT coordination       > and we didn't use liquid propellant or computers. We used manual       > plotting boards. The big boys would do the same with 105mm, 155mm, 8       > inch and even naval big guns if available. It was rarely done on the fly       > as it took time to set up and coordinate. Nowadays it is done by       > computer and could be done on the fly. Target coordinates are entered,       > the fire control computer figures bearing, elevation, charge for each       > tube and transmits the data to each section. Guns are laid and somebody       > yells fire at the correct time.              Interesting! Today I Learned....              pt              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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