INTERNAL STRAINS IN GUN FORGINGS.
288
Tube 11784 Bt.
Muzzle Slice.
Bore eccentric,10, maximum and minimum thickness on diameter B. State of internal strains and stresses at different phases of the slice.
SLICE INTACT.
Interior diameter of slice, 4".28; exterior diameter of slice, 8".58.
3 4
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.44035 5.1452 7.14895 8.2433	Inch.	Inch. .0034 .0015	Pounds.	Pounds. 23,000 8,700
					
		.0022 .0019		9,200 6,900	
					
					
Rings 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. 4.44375 5.1447 7.14865 8.2414	Inch.	Inch.	Pounds.	Pounds.
			.0020		11,700
		.0019		8,000	
					
					
RINGS ALL DETACHED.
	5.1467 7.14675