RECOIL MECHAiySM-------15-POUNDER GUN NO. 12.	201
On gauged length C, from bottom of oscillating slide, front end of lug, to fixed block on gun.
Applied loads.	Gauge readings.		Remarks.
	Direct movement.	Set.	
Pounds.	Inch.	Inch.	
1,000	0.		
10,000	.0041		
20.000	.0090		
30,000	.0138		
40,000	.0180		
50,000	.0225		
60,000	.0273		
50,000	.0274		
40,000	.0275		
30,000	.0276		
20,000	.0196		
10,000	.0108	.0015	
On gauged length D (difference of A and C), from bottom of sleeve, rear end of lug, to front end of lug of oscillating slide.
1,000	0.		
10,000	-.0013		
	—.0030		Movement is one of approach of extremities of gauged
40,000	-.0070		length to each other.
50,000	-.0092		
60,000	-.0110		
60,000	-.0113		After 5 minutes.
60,000	-.0113		After 10 minutes. .
50,000	-.0112		
50,000	-.0111		After 5 minutes.
40,000	-.0106		
40,000	-.0106		After 5 minutes.
30,000	-.0104		
30,000	-.0103		After 5 minutes.
25,000	-.0093		
25,000	-.0090		After 5 minutes.
25,000	-.0090 			After 10 minutes.
22,000	-.0088		
22,000	-.0082		After 5 minutes.
20,000	-. 0080		
20,000	-. 0077		After 5 minutes.
18,000	-.0077		
18,000	-.0073		After 3 minutes.
15,000	-.0068		
12,000	-.0056		
10,000	—.0048		
8,000	-.0041		
6,000	-.0032		
4,000	-.0025		
2,000	-.0016		
1,000		-.0009	
1,000		-.0005	Set after resting 15 hours.
On gauged length B, over ends of piston rod.
1,000	0.		
10,000	.0026		
20,000	.0055		
30,000	.0083		
40,000	.0112		
50,000	.0143		
60,000	.0172		
50,000	.0171		
40,000	.0170		
30,000	.0161		
20,000	.0109		
10,000	.0055	.0003	
60,000	.0175	.0003