INTERNAL STRAINS IN GUN FORGINGS.
264
Tube ].1775 B,,.
Measurements taken on four diameters.
Muzzle Slice.
Bore eccentric, maximum and minimum thickness on diameter C. State of internal strains and stresses at different phases of the slice. Measurements on diameters A and B.
SLICE INTACT.
Interior diameter of slice, 4". 16; exterior diameter of slice, 8". 52.
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
1		Inches. 4.30145 5.1457 7.1416 8.32925	Inch.	Inch. .0061 .00185	Pounds.	Pounds. 42,600 10,800
2						
3		.0039		16,400	
4 				.0013		4,700
					
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. 4.30755 5.1447 7.14095 8.33055	Inch.	Inch.	Pounds.	Pounds.
2				.00285		16,600
3. 			.00325		13,700	
					
					
RINGS ALL DETACHED.
	5.14755 7.1377