INTERNAL STRAINS IN GUN FORGINGS.
262
Tube 11775 B2.
Breech Slice.
State of internal strains and stresses at different phases of the slice. Measurements on diameters C and D.
SLICE INTACT.
Interior diameter of slice, !".65; exterior diameter of slice, 10".40.
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.79795 5.6614 9.64735 10.24575	Inch.	Inch. .00365 .0025	Pounds.	Pounds. 22,800 13,300
					
		.00465		14,500	
					
					
Rings 1 and 4 detached; rings 2 and 3 in the slice.
Interior diameter of slice, 5".5; exterior diameter of slica 9".8.
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
	Inches. 4.8016 5.6600 9.6464 10.24575	Inch.	Inch.	Pounds.	Pounds.
2				.0039		20,700
3			.0037		11,500	
					
					
RINGS ALL DETACHED.
	5.6639 9.6427