Twist Rate Stability Calculator Updated
By Bryan Litz, Chief Ballistician We’re happy to announce a major upgrade to our Twist Rate Stability Calculator which is free to use on the Berger Bullets webpage. The old stability calculator was pretty basic, and would simply return a gyroscopic stability number based on your bullet, twist rate and atmospheric conditions. This was used to determine if your barrels twist rate was fast enough to stabilize a particular bullet or not, based on the Gyroscopic Stability Factor (SG) being greater than 1.4. The bullet parameters on the left can be auto populated by selecting a bullet from the list above. You can then [...]