artillery fire from various points can be timed to impact at same location at exact same time. That's done with a method referred to as "time on target". It's done by careful calculation of elevation of the gun tube. Rounds fired at flatter angle reach target sooner that a round fired higher. Distance from firing point to impact is controlled by charge behind shell. A round fired at high angle of departure, provided it has ample charge behind it, will travel FARTHER than one fired at a flatter angle by virtue of the fact it will travel to fullest extent charge will propel it, then return an equal distance to earth.
Lot of variables left unmentioned....Size/weight of round. Size of propellant charge, and even to a point, design/type of gun tube. Provided all calculations are done correctly, highest angle of fire will travel greatest distance, but not always greatest distance FROM firing point.
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Today's Featured Article - Tractor Generators - by Chris Pratt. As a companion to the articles on three-brush and two-brush generators, it seemed fitting that we should provide our readers with a description of how a generator works in lay terms. The difficulty with all those "theory of operation" texts is that they border on principles of electricity or physics and such. Since I know nothing of either, you will have to put up with looking at the common sense side of how generators work which means we "
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