205
RECOIL MECHANISM---15-POUNDER GUN NO. 12.
Gun in recoil position.
Gauged length from fixed block on gun to a point on the center of the right trunnion.
Applied loads.	Gauge readings.		Remarks.
	Direct movement.	Set.	
Pounds.	Inch.	Inch.	
1,000	0.		Initial load.
10,000	. 0193		
20,000	.0418		
30,000	.0613		
40,000	.0812		
50,000	.1012		
60,000	.1214		
50,000	.1180		
40,000	.1139		
30,000	. 1055		
20,000	.0770		
10,000	.0429		
1,000		.0001	
60,000	.1233		
1,000		.0012	
60,000	.1238		
1,000		.0014	
60,000	. 1245		,
60,000	.1251		After 5 minutes.
60,000	.1254		After 10 minutes.
1,000		.0022	
Gauged length from fixed block on gun to point on the left trunnion.
1,000	0. i			Initial load.
10,000	.0193		
20,000	.0409		
30,000	.0611		
40,000	.0811		
50.000	.1014		
60,000	.1215		
50,000	.1184		
40,000	. 1141		
30,000	.1054		
20,000	.0755		
10,000	.0395		
1,000		.0004	
60,000	.1227		
60,000	.1226		After 5 minutes.
1,000		—.0010