1.75" grains V2.01 Throats Power Liner Case Grains FS WS BK STD 120 2-7/8 3-1/2 1 9 10 11 12 240 4-5/8 5-1/4 2 13 14 15 17 360 6-3/8 7 3 15 17 18 20 480 8-1/8 8-3/4 4 18 20 21 23 600 9-7/8 10-1/2 5 20 22 24 26 720 11-5/8 12-1/4 6 21 24 26 29 960 15-1/8 15-3/4 8 24 28 30 33 Grain stacking FS 10x3/8c 6x1/2c WS 8x3/8c 6x1/2c STD 6x3/8c 5x1/2c 4x5/8c F 4x3/8c 3x1/2c 3x5/8c BK 2x3/8c 2x1/2c 2x5/8c Fewer grains, omit the largest cores first to maximize loading density. Biggest cores nearest nozzle. 38mm 1.75" grain SINGLE GRAIN BATES SURFACE VS DISTANCE Grain OD inches = 1.25 Core Dia inches = .38 Total Grain Length = 1.75 INCREMENT WEB PT SURFACE ========= ====== ======== 1.00 0.02 4.32 2.00 0.04 4.44 3.00 0.07 4.55 4.00 0.09 4.64 5.00 0.11 4.72 6.00 0.13 4.77 7.00 0.15 4.81 8.00 0.17 4.83 9.00 0.20 4.83 10.00 0.22 4.81 11.00 0.24 4.78 12.00 0.26 4.73 13.00 0.28 4.66 14.00 0.30 4.57 15.00 0.33 4.46 16.00 0.35 4.34 17.00 0.37 4.20 18.00 0.39 4.04 19.00 0.41 3.86 20.00 0.43 3.67 Progresivity % = -15.0 1x1.75x3/8c (120) Area inches ^2 = 4.29502 THROAT= 8.00/64 Kn = 350.00 THROAT= 9.00/64 Kn = 276.54 FS THROAT= 10.00/64 Kn = 224.00 WS THROAT= 11.00/64 Kn = 185.12 BK THROAT= 12.00/64 Kn = 155.56 STD/F THROAT= 13.00/64 Kn = 132.54 THROAT= 14.00/64 Kn = 114.29 THROAT= 15.00/64 Kn = 99.56 THROAT= 16.00/64 Kn = 87.50 THROAT= 17.00/64 Kn = 77.51 THROAT= 18.00/64 Kn = 69.14 2x1.75x3/8c (240) Area inches ^2 = 8.590039 THROAT= 12.00/64 Kn = 311.11 THROAT= 13.00/64 Kn = 265.09 FS THROAT= 14.00/64 Kn = 228.57 WS THROAT= 15.00/64 Kn = 199.11 BK THROAT= 16.00/64 Kn = 175.00 THROAT= 17.00/64 Kn = 155.02 STD/F THROAT= 18.00/64 Kn = 138.27 THROAT= 19.00/64 Kn = 124.10 THROAT= 20.00/64 Kn = 112.00 THROAT= 21.00/64 Kn = 101.59 THROAT= 22.00/64 Kn = 92.56 "Compatible" liner: 3-3/4" 3x1.75x3/8c (360) Area inches ^2 = 12.885059 THROAT= 14.00/64 Kn = 342.86 THROAT= 15.00/64 Kn = 298.67 FS THROAT= 16.00/64 Kn = 262.50 THROAT= 17.00/64 Kn = 232.53 WS THROAT= 18.00/64 Kn = 207.41 BK THROAT= 19.00/64 Kn = 186.15 THROAT= 20.00/64 Kn = 168.00 STD/F THROAT= 21.00/64 Kn = 152.38 THROAT= 22.00/64 Kn = 138.84 THROAT= 23.00/64 Kn = 127.03 THROAT= 24.00/64 Kn = 116.67 "Compatible" liner: 5-5/8" 4x1.75x3/8c (480) Area inches ^2 = 17.180078 THROAT= 17.00/64 Kn = 310.03 THROAT= 18.00/64 Kn = 276.54 FS THROAT= 19.00/64 Kn = 248.20 THROAT= 20.00/64 Kn = 224.00 WS THROAT= 21.00/64 Kn = 203.17 BK THROAT= 22.00/64 Kn = 185.12 THROAT= 23.00/64 Kn = 169.38 STD/F THROAT= 24.00/64 Kn = 155.56 THROAT= 25.00/64 Kn = 143.36 THROAT= 26.00/64 Kn = 132.54 THROAT= 27.00/64 Kn = 122.91 "Compatible" liner: 7-1/2" 5x1.75x3/8c (600) Area inches ^2 = 21.475098 THROAT= 19.00/64 Kn = 310.25 THROAT= 20.00/64 Kn = 280.00 FS THROAT= 21.00/64 Kn = 253.97 THROAT= 22.00/64 Kn = 231.40 WS THROAT= 23.00/64 Kn = 211.72 THROAT= 24.00/64 Kn = 194.44 BK THROAT= 25.00/64 Kn = 179.20 THROAT= 26.00/64 Kn = 165.68 STD/F THROAT= 27.00/64 Kn = 153.64 THROAT= 28.00/64 Kn = 142.86 THROAT= 29.00/64 Kn = 133.17 Cores: BK=1x1/2 6 "Compatible" liner: 9-3/8" 6x1.75x3/8c (720) Area inches ^2 = 25.770117 THROAT= 20.00/64 Kn = 336.00 THROAT= 21.00/64 Kn = 304.76 FS THROAT= 22.00/64 Kn = 277.69 THROAT= 23.00/64 Kn = 254.06 THROAT= 24.00/64 Kn = 233.33 WS THROAT= 25.00/64 Kn = 215.04 THROAT= 26.00/64 Kn = 198.82 BK THROAT= 27.00/64 Kn = 184.36 THROAT= 28.00/64 Kn = 171.43 THROAT= 29.00/64 Kn = 159.81 STD/F THROAT= 30.00/64 Kn = 149.33 Cores: BK=2x1/2 6 "Compatible" liner: 11-1/4" All cores okay except BK on 5 and 6 grain. USR Power Liner Case Grains FS WS BK STD 120 2-7/8 3-1/2 1 9 10 11 12 240 4-5/8 5-1/4 2 13 14 15 17 360 6-3/8 7 3 15 17 18 20 480 8-1/8 8-3/4 4 18 20 21 23 600 9-7/8 10-1/2 5 20 22 24 26 720 11-5/8 12-1/4 6 21 24 26 29 960 15-1/8 15-3/4 8