Skip to content

IBHVG2

Definition

Interior Ballistics of High Velocity Guns version 2; a US Army Research Laboratory code implementing the Lagrange pressure-gradient model for large-calibre and small-arms internal ballistics. Available in declassified form for academic research.

Related terms

Greenhill Formula
Alfred Greenhill's 1879 empirical formula for the minimum barrel-twist rate to gyroscopically stabilise a bullet of given length and calibre. Uses a...
Heydenreich Model
A parameterised internal-ballistic model incorporating propellant specific force, burn-rate coefficients, and chamber volume. More physically grounded than Le Duc; the conceptual ancestor...
LabRadar
A Doppler radar chronograph measuring bullet velocity continuously from muzzle to several hundred metres, producing a velocity-distance profile. No physical contact with...
Le Duc Model
An empirical algebraic formula (1873) relating muzzle velocity to peak chamber pressure via two calibration constants. Produces velocity estimates within 3-5% of...
Miller Stability Formula
A dimensionless stability factor (Sg) formulation published by Donald Miller in 2005, calibrated for modern spitzer bullets. Sg greater than or equal...
Oehler Model 35P
A dual-screen optical chronograph (plus proof channel) widely used in US forensic and manufacturer testing. Accurate to within 0.2% of reading. The...
PRODAS
Projectile / Rocket Design and Analysis System; a US Army Research Laboratory / Arrow Tech Associates lumped-parameter code integrating internal, external, and...

Explained in

Your journey to becoming a forensic professional starts here.

Practice with mock tests, learn from structured notes, and get your questions answered by a global forensic community, all in one place.