Airgun Calculators

• » PCP Air Efficiency Calculator NOW ONLINE
  Computes your PCP's performance based on your shot string data
• » Tank Fill Calculator and Volume Chart NOW ONLINE
  Calculates the number of fills from any size tank at any pressure

Algorithms courtesy of Lloyd Sikes. » E-mail Lloyd
Website and programming by Mary Ellen Sikes.

Practical science for the airgun community
Disco Double - P-Rod Double - more!