INTERNA L STRAINS IN GUN FORGINGS.
304
Tube 11791 B,.
Muzzle Slice.
State of internal strains and stresses at diiferent phases of the slice.
SLICE INTACT.
Interior diameter of slice, 4".20; exterior diameter of slice, 8".60.
.1 4
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.3323 5.1447 7.1425 8.34045	Inch.	Inch. . 00405 .00275	Poiinds.	Pounds. 28,100 16,100
					
		.0036 .00185		15,100 6,700	
					
					
Bings 1 and 4 detached;' rings 2 and 3 in the slice.
Interior diameter of slice, 5".00; exterior diameter of slice, 7".30.
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.33635 5.1440 7.1422 8.3386	Inch.	Inch.	Pounds.	Pounds.
			.00345		20,100
		.0033		13,900	
					
					
RINGS ALL DETACHED.
	5.14745 7.1389