RECOIL MECHANISM---15-POUNDER GUN NO. 12,
214
Gun in position at half recoil.
One 2&" special filling piece in the cylinder. Measurements taken on gauged length Q.
Applied loads.	Gauge readings.		Remarks.
	Direct movement.	Set.	
Pounds.	Inch.	Inch.	
1,000	0.	0.	Initial load.
10,000	-.0043		
20,000	-.0095		
30,000	-.0140		
40,000	-.0176		
50,000	-.0211		
60,000	-.0240		
50,000	-.0237		
40,000	-.0227		
30,000	-.0192		
20,000	-.0131		
10,000	-.0078		
1,000		-.0015	
60,000	-.0246		
1,000		-.0024	
60,000	-. 0258		
1,000		-.0031	
60,000	-.0271		
1,000		-.0040	
Gun in recoil position.
On gauged length across rear, lower (when gun is in natural position) corners of the oscillating side.
Applied loads.	Gauge readings.		Remarks.
	Direct movement.	Set.	
Pounds.	Inch.	Inch.	
1,000	0.	0.	Initial load.
10,000	.016		
20,000	.037		
30,000	.057		
40,000	.077		
50,000	.096		
60,000	.115		
50,000	.115		
40,000	.114+		
30,000	.114		
20,000	.087		
10,000	.043		
1,000		0.	
On gauged length B, over ends of piston rod.
1,000	0.	. 0.	Initial load.
10,000	. 0027		
20,000	. 0060		
30,000	.0095		
40,000	. 0127		
50,000	.0162		
60,000	. 0195		
50,000	. 0194		
40,000	.0188		
30,000	.0134		
20,000	.0084		
10,000	. 0037		
1,000		- .0002	
60,000	.0199		
1,000		-. 0002	
60,000	.0199		
1,000		-. 0002