INTERNAL STRAINS IN GUN FORGINGS.
312
Tube 11791 B2.
Muzzle Slice.
State of internal strains and stresses at different phases of the slice.
slice intact.
Interior diameter of slice, 4". 29; exterior diameter of slice, 8". 50.
Rings.	Present mean diameters.	Strains.		otresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.4610 5.14595 7.1545 8.2988	Inch.	Inch. .0063 .0028	Pounds.	Pounds. 42,400 16,300
					
		.00485 .00155		20,300 5,600	
					
					
Rings 1 and 4 detached; rings 2 and 3 in the slice.
Interior diameter of slice, 5": exterior diameter of slice, 7".3.
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.4673 5.14565 7.15435 8.29725	Inch.	Inch.	Pounds.	Pounds.
2				.0031		18,100
		.0047		19,700	
					
					
RINGS ALL DETACHED.
	5.14875 7.14965