INTERNAL STRAINS IN GUN FORGINGS.
300
Tube 11791 B,.
Muzzle Slice.
(#" discard.)
Bore eccentric. Ring 4, minimum thickness, ".15: maximum thickness, ".32.
State of internal strains and stresses at different phases of the slice.
Slice Intact.
Interior diameter of slice, 4". 17; exterior diameter of slice, 8".62.
3 4
Rings,	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Co־ ípres-sion.	Tension.	Compres- sion.
1		Inches. 4.3272 5.14935 7.1444 8.27855	Inch.	Inch. .0037 .00095	Pounds.	Pounds. 25,600 5,500
2						
3			.00275 .0032		11,500 11,600	
4						
					
Rings 1 and 4 detached; rings 2 and 3 in the slice.
Interior diameter of slice, 5".0; exterior diameter of slice, 7".3.
Rings.	Present mean diameters.	Strains.		Stresses per square inch.	
		Tension.	Compres- sion.	Tension.	Compres- sion.
1 detached		Inches. 4.3309 5.14875 7.1439 8.27535	Inch.	Inch.	Pounds.	Pounds.
2				. 00155		9,000
		.00225		9,400	
4 detached						
										
BINGS ALL DETACHED.
5.1503 7.14165
2	detached
3	detached