Grain details: 8 inch OD case bonded grain in fiberglass case Grain length 10" Ends inhibited Finocyls as follows: 2x 1/2 circles, 2x 3/4" x 1/4" rectangles. Plus additional small regions from failed tests. 1.2 inch nozzle throat with 4x expansion ratio Pressure data Force data: Measurements Max pressure; 140.5 +- 3 PSI Average pressure 71 +- 2 PSI Max Force 95.8lb +- 3 lb Average Force 71lb +- 2 lb On cleaning up the motor it was apparent that there was blow by/case failure in two places resulting in a lower then predicted pressure.