INTERNAL STRAINS IN GUN FORGINGS.
226
Tube 11272 B3 BM.
Breech Slice.
State of internal strains and stresses at different phases of the slice.
SLICE INTACT
Interior diameter of slice, ■±".76; exterior diameter of slice, 10".42.
3	4
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.86155 5.6598 9.64915 10.2744	Inch.	Inch. . 00575 .0036	Pounds.	Pounds. 35,500 19,100
2						
3			.0053 .0014		16,500 4,100	
4						
					
Rings 1 and ± detached; rings 2 and 3 in the slice.
Interior diameter of slice, 5".5; exterior diameter of slice, 9".8.
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.8673 5.6584 9.64845 10.2730	. Inch.	Inch.	Pounds.	Pounds.
2.				.0050		26,500
3			.0046		14,300	
					
					
RINGS ALL DETACHED.
	5.6634 9.64385