The Ammunition

• The Round
• Components

Ballistics

• Acceleration in the Gun Tube
• Muzzle Exit
• Interior Ballistics
  Calculator
• Exterior Ballistics
  Firing Table Calculator

Perforation of Finite Targets

• Penetration Process
• Perforation Limit
• Governing Parameters
• Working Length
• Perforation Equation

Penetration in Semi-Infinite Targets

• Semi-infinite Targets
• Penetration Equation

Penetration and Perforation Calculations

• The Calculator

Applications

• Optimum Velocity
• Max. Perforation with a given Gun System

Covid-19 Case Numbers - Similarity with Penetration

• General Equation
• Case Numbers in Switzerland

Papers

• Download

 

Exterior Ballistics

Compared to the highly curved trajectories of artillery shells in the operational area the flat trajectories of direct firing tank guns are easier to calculate. The bending is weak and the vertex heights are marginal. The trajectories can be calculated sufficiently accurate regarding the gravitational force, the air density and the drag force coefficient as constant. A numerical integration is unnecessary, formulas are good enough. If the muzzle velocity and the terminal velocity at the end - or near the end - of operational range of a LRP projectile is known one is able to calculate firing tables with a pretty good accurateness.

For viewing the equations "click here."

 

Firing Table Calculator

Given values:

Input fields are already filled in with generic values of a 120mm Long Rod Penetrator. You may overwrite this values with your desired data.

	Muzzle velocity		m/s
	Terminal velocity		m/s
	Range related to terminal velocity		m
	Air density related to terminal velocity		kg/m3

 

Parameters as basis for the firing table:

	Muzzle velocity for the F.T.		m/s
	Air density for the F.T.		kg/m3
	Values up to a range of		m
	Range steps		x 100m
	Crosswind		m/s

 

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