INTERNAL STRAINS IN GUN FORGINGS. 286 Tube 11784 Br Breech Slice. State of internal strains and stresses at different phases of the slice. SLICE INTACT. Interior diameter of slice, 4".78; exterior diameter of slice, 10".44. Rings. Present mean diameters. Strains. Stresses per square inch. Tension. Compres- sion. Tension. Compres-, sion. 1, Inches. 4.93685 5.6538 9.65365 10.27025 Inch. Inch. .0066 .00425 Pounds. Pounds. 40,100 22,600 2 3 .0055 .00495 17,100 14,500 4 Rings 1 and 4 detached; rings 2 and 3 in the slice. Interior diameter of slice, 5".50; exterior diameter of slice, 9".80. i 3 2 T 1 1 i 1 4 Rings. Present mean diameters. Strains. Stresses per square inch. Tension. Compres- sion. Tension. Compres- sion. Inches. 4.94345 5.65235 9.6527 10.2653 Inch. Inch. Pounds. Pounds. 2 .0057 30,300 3 .00455 14,100 RINGS ALL DETACHED. 5.65805 9.64815