And what country can preserve its liberties if their rulers are not warned from time to time that their people preserve the spirit of resistance? Let them take arms. The remedy is to set them right as to facts, pardon and pacify them. What signify a few lives lost in a century or two? The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants.
And the device riding piggyback appears to be a radar chronograph. They'll take ten shots to get the average speed of a round with a full charge, and calibrate firing orders using the data, and applying a standard correction for actual speed vs. book speed.
So, the round plate sits about ten inches above the ground, . . . ? Until it is fired? Then what?
ReplyDeleteThey are seating the plate. The first few rounds with mortars/artillery are fired to seat the plate/spoons
ReplyDeleteCorrectamundo.
DeleteThat baseplate ain't going anywhere now, and the rounds' landing spot is now repeatable.
And the device riding piggyback appears to be a radar chronograph. They'll take ten shots to get the average speed of a round with a full charge, and calibrate firing orders using the data, and applying a standard correction for actual speed vs. book speed.
DeleteThat looks to me like a US Marine 4.2" mortar...but the uniforms look like "doggies."
ReplyDeleteI believe the U.S. Army uses the 4deuce mortar as well
Delete4.2 was replaced by the 120mm mortar in the ‘90s. That’s a 120 in the gif.
Delete467 pounds?
DeleteTube, tripod and baseplate together weigh >300 lbs, if I recall.
DeleteBoom boom, out go the lights.
ReplyDelete