How Efficient Is Your Shotgun?

Many Shooting Sportsman readers are familiar with Don Amos's and Tom Hamernik's work on Moment of Inertia (MOI) and shotgun handling (see "Measuring MOI," Sept/Oct '01). In the great American tradition of endless tinkering, their concept recently was subjected to a sophisticated statistical analysis, which was published in the January '05 issue of the academic periodical The Journal of Applied Statistics. The authors of the analysis, Professor Steve Caudill, Don Amos and myself, applied a statistical technique called "Composed Error Regression Analysis" to identify the extent to which shotguns' characteristics-such as weight, barrel length, gauge and so on-determine the minimum feasible MOI the guns could exhibit.

Click here for your FREE trial issue

,July-August