Flyrock Equation Richard and Moore Flyrock EquationCreated by Brent Buffham © 2021 Currently only available in Metric Units Go Back... Inputs Site Rock Constant (K) Minimum Face Burden (m) Stemming Length (m) Blast Hole Diameter (m) Blast Hole Angle (°) Product Density (kg/L) Safety Multiplier Equipment (sf1) Safety Multiplier Personnel (sf2) Additional Comments ... 01) Front Throw = 24.75 m 02) Rear Throw = 297 m 03) Stemming Ejection = 849.42 m 04) Clearance Front Equipment = 24.75 m 05) Clearance Rear Equipment = 297 m 06) Clearance Front Personnel = 849.42 m 07) Clearance Rear Personnel = 13.2 m This calculator is based on A.J.Moore and A.B.Richards work on Flyrock. You can download the associated paper from the ISEE libary. Thank you. Brent Buffham © 2021.