INTERNAL STRAINS IN GUN FORGINGS.
234
Tube 11363 Bx.
Muzzle Slice.
(f" discard.)
Bore eccentric. Bing 4, minimum thickness, 0".15; maximum thickness, 0".30.
State of internal strains and stresses at different phases of the slice.
SLICE INTACT.
Interior diameter of slice, 4". 16; exterior diameter of slice, 8".61.
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.3112 5.1588 7.13725 8.2667	Inch.	Inch. .0027 .00105	Pounds.	Pounds. 18,800 6,100
					
		.00195 .0021		8,100 7,600	
					
					
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. 4.3139 5.1587 7.13745 8.2646	Inch.	Inch.	Pounds.	Pounds.
			.00115		6,700
		. 00215		9,000	
					
					
RINGS ALL DETACHED.
	5.15985 7.1353