RECOIL MECHANISM---15-POUNDER GUN NO. 12.
200
On gauged point I, over rear end of cylinder.
Remarks.
Movement is from the gun.
Applied loads.	Gauge readings.	
	Direct movement.	Set.
Pounds.	Inch.	Inch.
1,000	0.	
10,000	.0069	
20,000	.0142	
30,000	.0211	
40,000	.0279	
50,000	.0344	
60,000	.0402	
50,000	.0397	
40,000	.0393	
30,000	.0367	
20,000	.0220	
10,000	.0087	-.0007
On gauged point K, over rear end of piston rod.
1,000	0.	
10,000	.0068	
20,000	.0139	
30,000	.0207	
40,000	.0271	
50,000	. 0339	
60,000	.0402	-.0013
On gauged point J, over front end of piston rod.
1,000	0.		
10,000	.0002		
20,000	.0111		
30,000	. 0290		
40,000	.0381		
50,000	.0470		
60,000	.0555		
50 000	.0540		
40,000	.0524		)Movement from the gun.
30,000	. 0502		
20,000	.0356		
10,000	.0191	.0008	
10,000	.0102		
20,000	.0201		
30,000	.0301		
40,000	.0382	.0007	•
On gauged length A, from bottom of sleeve at rear end of lug to fixed block on gun.
1,000	0.	
10,000	.0055	
20,000	.0120	
30,000	.0185	
40,000	.0250	
50,000	.0315	
60,000	.0378	
50,000	.0380	
40,000	.0380	
30,000	.0375	
20,000	.0271	
10,000	.0150	.0012